Page 139 class 10th MCQs life process : nutrition
Q1.
Whose part is the duodenum?
(A) oral cavity
(B) stomach
(C) small intestine
(D) large intestine
Answer: (C) Small intestine
Q2.
Through which hole is the pharynx connected to the esophagus?
(A) Swallow
(B) throat
(C) anus
(D) none
Answer: (A) Swallow
Q3.
By which amoeba takes food?
(A) pseudopod
(B) Transport
(C) Food - Rasdhani
(D) nucleus
Answer: (A) pseudopod
Q4.
What is the percentage of CO2 in the atmosphere?
(A) 0.3%
(B) 0.03%
(C) 0.003%
(D) 0.21%
Answer: (B) 0.03%
Q5.
What is called photosynthetic organ?
(A) chloroplast
(B) stomata
(C) leaf
(D) root
Answer: (A) chloroplast
Q6. Those plants which depend on rotten things for nutrition, what are they
called?
(A) parasite
(B) saprophytes
(C) Autotrophic
(D) host
Answer: (B) saprophytes
Q7.
Autotrophs have the ability to ……….
(A) running
(B) speaking
(C) Photosynthesis
(D) all
Answer: (C) Photosynthesis
Q8.
Solar energy is converted into ……… energy.
(A) light energy
(B) chemical energy
(C) electrical energy
(D) muscular energy
Answer: (B) chemical energy
Q9.
Leaves take up CO2 from the atmosphere through ……….
(A) root
(B) stem
(C) flowers
(D) stomata
Answer: (D) stomata
Q10.
Who absorbs sunlight?
(A) Chlorophyll
(B) root
(C) Fruit
(D) all
Answer: (A) Chlorophyll
Q11.
What do plants get through photosynthesis?
(A) Prakash
(B) Protein
(C) Glucose
(D) Sucrose
Answer: (C) Glucose
Q12. What is photosynthetic unit?
(A) chloroplast
(B) Leaf
(C) Chlorophyll
(D) all
Answer: (C) Chlorophyll
Q13.
What is the tubular structure found at the junction of the small intestine and
the large intestine called?
(A) colon
(B) Sikkim
(C) Serum
(D) Appendix
Answer: (B) Sikkim
Q14.
Where are long hairs found?
(A) liver
(B) in the oral cavity
(C) small intestine
(D) in the stomach
Answer: (C) in the small intestine
Q15.
What is an important characteristic of life?
(A) Union
(B) growth
(C) motion of molecule
(D) coordination
Answer: (C) motion of molecule
Q16.
Where are gastric glands found?
(A) small intestine
(B) in the stomach
(C) large intestine
(D) liver
Answer: (B) in the stomach
Q17.
Which of the following is a photosynthetic organ?
(A) Leaf
(B) root
(C) Fruit
(D) flowers
Answer: (A) Leaf
Q18.
Where is the process of digestion completed?
(A) small intestine
(B) in the stomach
(C) Pancreas
(D) big end
Answer: (A) in the small intestine
Q19.
Oxygen is released during photosynthesis
(A) by water
(B) by Glucose
(C) by CO2
(D) by all
Answer: (A) by water
Q20.
Which of the following is a parasite of malaria?
(A) Plasmodium
(B) Leishmania
(C) Protozoa
(D) all
Answer: (A) Plasmodium
Q21.
Which of the following is not a unicellular organism?
(A) Amoeba
(B) Paramisis
(C) Euglena
(D) Yeast
Answer: (D) Yeast
Q22.
What is the scientific study of plant and animal cells called?
(A) Ecology
(B) genetics
(C) Histology
(D) Cytology
Answer: (D) Cytology
Q23.
Which is the biggest gland of our body?
(A) large intestine
(B) Liver
(C) small intestine
(D) pancreas
Answer: (B) Liver
Q24.
What is the function of large intestine?
(A) Digestion of food
(B) Digestion of amino acids
(C) absorption of excess water
(D) none
Answer: (C) absorption of excess water
Q25.
Which of the following is an absorptive organ found in humans?
(A) Thyroid
(B) neurons
(C) Appendix
(D) spinal cord
Answer: (C) Appendix
Q26.
In which part of the alimentary canal, complete digestion of carbohydrates,
proteins and fats takes place?
(A) large intestine
(B) Stomach
(C) small intestine
(D) pancreas
Answer: (C) small intestine
Q27.
What does the trypsin enzyme, by acting on the protein, convert it into?
(A) peptone
(B) peptides
(C) Pepsinogen
(D) all
Answer: (B) in peptides
Q28.
From where is the trypsin enzyme secreted?
(A) salivary gland
(B) from the liver
(C) Pancreas
(D) Gastric gland
Answer: (C) from pancreas
Q29.
What is the function of lipase enzyme?
(A) digestion of fat
(B) digestion of proteins
(C) digestion of carbohydrates
(D) all
Answer: (A) Digestion of fat
Q30.
For the digestion of which herbivores need a long small intestine?
(A) Glucose
(B) Starch
(C) cellulose
(D) fat
Answer: (C) Cellulose
Q31.
Which of the following enzymes digests proteins?
(A) Trypsin
(B) lipase
(C) Pepsin
(D) both trypsin and pepsin
Answer: (D) both trypsin and pepsin
Q32.
Which of the following enzymes digests fat?
(A) Trypsin
(B) lipase
(C) Pepsin
(D) both trypsin and pepsin
Answer: (B) lipase
Q33.
Which of the following is the function of trypsin enzyme?
(A) Digestion of fat
(B) Digestion of proteins
(C) digestion of carbohydrates
(D) all
Answer: (B) Digestion of proteins
Q34.
From where is bile secreted?
(A) stomach
(B) small intestine
(C) liver
(D) from the oral cavity
Answer: (C) from the liver
Q35.
Human beings and other carnivorous animals cannot digest which of the
following?
(A) Glucose
(B) Protein
(C) cellulose
(D) fat
Answer: (C) Cellulose
Q36.
Which is the absorptive organ in the human alimentary canal?
(A) Appendix
(B) Sikkim
(C) Colon
(D) fat
Answer: (A) Appendix
Q37.
Which is the longest part of the human alimentary canal?
(A) small intestine
(B) large intestine
(C) Stomach
(D) esophagus
Answer: (A) small intestine
Q38.
In which part of the alimentary canal does food enter from the stomach?
(A) Pancreas
(B) liver
(C) large intestine
(D) small intestine
Answer: (D) small intestine
Q39.
What is the mixture of gastric juice?
(A) Trypsin and Pepsin
(B) peptones and peptides
(C) Hydrochloric acid, pepsin and mucus
(D) Hydrochloric acid, peptones and peptides
Answer: (C) Hydrochloric acid, pepsin and mucilage
Q40.
Where does mucus secretion come from?
(A) salivary glands
(B) liver
(C) Pancreas
(D) Gastric glands
Answer: (D) from the gastric glands
Q41.
How does food enter the small intestine from the stomach?
(A) acidic
(B) alkaline
(C) indifferent
(D) none
Answer: (A) acidic
Q42.
From where is hydrochloric acid secreted?
(A) Pancreas
(B) Gastric glands
(C) salivary glands
(D) liver
Answer: (B) from the gastric glands
Q43.
Where is lipase enzyme secreted from?
(A) Pancreas
(B) Gastric glands
(C) salivary glands
(D) liver
Answer: (A) from pancreas
Q44.
Where is pepsin enzyme secreted?
(A) Pancreas
(B) Gastric glands
(C) salivary glands
(D) liver
Answer: (B) from the gastric glands
Q45.
What does pepsin enzyme act on protein and convert it into?
(A) pepsinogen
(B) peptone
(C) peptides
(D) none
Answer: (B) Peptone
Q46.
Pepsin enzyme is secreted from which part of the alimentary canal?
(A) oral cavity
(B) liver
(C) small intestine
(D) stomach
Answer: (D) from the stomach
Q47.
Which of the following transports food from the mouth to the stomach?
(A) esophagus
(B) pharynx
(C) throat
(D) none
Answer: (A) esophagus
Q48.
Which of the following is the function of amylase enzyme?
(A) Digestion of fat
(B) Digestion of proteins
(C) digestion of carbohydrates
(D) all
Answer: (C) Digestion of carbohydrates
Q49.
From where is the salivary amylase enzyme secreted?
(A) Pancreas
(B) Gastric glands
(C) salivary glands
(D) liver
Answer: (C) from salivary glands
Q50.
Which of the following enzymes is found in saliva?
(A) Pepsin
(B) Trypsin
(C) Tylen
(D) none
Answer: (C) Tylen
Q51.
Which of the following enzymes digests carbohydrates?
(A) Trypsin
(B) lipase
(C) Pepsin
(D) Amylase
Answer: (D) Amylase
Q52.
the top layer of the tooth
(A) Dentine
(B) enamel
(C) bone
(D) Crown
Answer: (B) enamel
Q53.
How many types of teeth are there in the mouth of an adult human?
(A) two
(B) four
(C) twenty eight
(D) thirty two
Answer: (B) four
Q54.
Which is the enzyme found in human saliva?
(A) Trypsin
(B) lipase
(C) Amylase
(D) Pepsin
Answer: (C) Amylase
Q55.
How many pairs of salivary glands are there in the human oral cavity?
(A) one
(B) two
(C) three
(D) four
Answer: (C) three
Q56.
Which is the first part of human alimentary canal?
(A) Pharynx
(B) oral cavity
(C) Stomach
(D) esophagus
Answer: (B) oral cavity
Q57.
How does most of the nutrition in amoeba take place?
(A) Vegetarian
(B) omnivores
(C) Ingestion
(D) Autotrophic
Answer: (C) Ingestion
Q58.
By what does amoeba catch its food?
(A) by tail
(B) by tangent
(C) by tongue
(D) by pseudopods
Answer: (D) by pseudopods
Q59.
By which method do ticks and lice get nutrition?
(A) dead
(B) omnivore
(C) Autotrophic
(D) parasite
Answer: (D) parasite
Q60.
Which method of nutrition is found in Amarbel?
(A) dead
(B) omnivore
(C) Autotrophic
(D) parasite
Answer: (D) parasite
Q61.
Which mode of nutrition is found in fungi?
(A) saprophytes
(B) omnivore
(C) Autotrophic
(D) parasite
Answer: (A) saprophytes
Q62.
In what form is food stored in plants?
(A) Glycogen
(B) Protein
(C) starch
(D) fatty acid
Answer: (C) starch
Q63.
Which nutrition is found in mushroom?
(A) Autotrophic
(B) parasite
(C) saprophytes
(D) omnivorous
Answer: (C) saprophytes
Q64.
What is the green colored organelle found in the cells of leaves called?
(A) Chlorophyll
(B) Chloroplasts
(C) Leucoplastes
(D) Leucophile
Answer: (B) Chloroplasts
Q65.
By whom does the exchange of gases take place in the plants?
(A) only on the surface of the leaves
(B) from the surface of leaves and stem
(C) from the surface of leaves and roots
(D) surface of leaves, stem and root
Answer: (D) from the surface of leaves, stem and
root
Q66.
Which of the following is the chemical formula of glucose?
(A) C12 H22 O11
(B) C6 H12 O6
(C) C6 H6 O12
(D) C 12H 6 O 6
Answer: (B) C6 H12 O6
Q67.
What controls the opening and closing of stomata?
(A) gate cell
(B) sieve cell
(C) companion cell
(D) Original Rome
Answer: (A) gate cell
Q68.
Where is magnesium found?
(A) Varni Lavak
(B) Chlorophyll
(C) in red blood cells
(D) in white blood cells
Answer: (B) in chlorophyll
Q69.
What is produced as the main product in photosynthesis?
(A) Glucose
(B) Oxygen
(C) Carbon dioxide
(D) none
Answer: (A) Glucose
Q70.
Which of these is considered to be the link between the living and the
non-living?
(A) Bacteria
(B) virus
(C) Fungi
(D) Protozoa
Answer: (B) virus
Q71. Which enzyme digests emulsified fats?
(A) Pepsin
(B) Trypsin
(C) Lipase
(D) None of these
Answer: (C)
Q72.
Normal systolic blood pressure is?
(A) 80 mm
(B) 100 mm
(C) 120 mm
(D) 130 mm
Answer: (C)
Q73.
Food produced by photosynthesis in leaves is sent to other parts of the plant
through?
(A) Xylem
(B) Phloem
(C) Stomata
(D) All of these.
Answer: (B)
Q74.
Transpiration takes place in which part of plant?
(A) Root
(B) Stem
(C) Leaf
(D) Flower
Answer: (C)
Q75.
Which waste substances are separated from the blood by dialysis in an
artificial kidney?
(A) Nitrogen
(B) Carbon
(C) Oxygen
(D) All of these
Answer: (A)
Q76.
Which of the following is a hermaphrodite?
(A) Earthworm
(B) Fish
(C) Lion
(D) Goat
Answer: (A)
Q77.
How is the balance of oxygen maintained in nature?
(A) By combination
(B) By photosynthesis
(C) By decomposition
(D) None of these
Answer: (B)
Q78.
The average systolic pressure of the human heart is approximately:
(A) 140/90
(B) 200/90
(C) 120/80
(D) 150/90
Answer: (C)
Q79.
How much energy is released by the breakdown of ADP during respiration in
plants?
(A) 30.5 KJ/mol
(B) 305 KJ/mol
(C) 3.5 KJ/mol
(D) None of these
Answer: (A)
Q80.
By which method of reproduction does Hyda take place?
(A) By binary fission
(B) By budding
(C) By sexual reproduction
(D) None of these
Answer: (B)
Q81.
In plant, xylem is responsible for?
(A) Transportation of water
(B) Transportation of food
(C) Transportation of amino acids
(D) Transportation of oxygen
Answer: (A)
Q82.
In human, kidney is a part of a system which is related to:
(A) Nutrition
(B) Respiration
(C) Excretion
(D) Transportation
Answer: (C)
Q83.
Oxygen is released in photosynthesis.
(A) Water
(B) CO2
(C) Glucose
(D) Dictyosome
Answer: (A)
Q84.
Magnesium is found in
(A) Chlorophyll
(B) Red blood cells
(C) Chromoplasts
(D) White blood cells
Answer: (A)
Q85.
Which mode of nutrition do fungi have?
(A) Autotrophs
(B) Saprophytes
(C) Homophagous
(D) None of these
Answer: (B)
Q86.
The colour of chlorophyll pigment is
(A) Green
(B) Blue
(C) Red
(D) White
Answer: (A)
Q87.
Where does tannin mainly accumulate :
(A) In the bark of the tree
(B) In the old xylem
(C) In the old phloem
(D) In the roots
Answer: (A)
Q88.
By the breakdown of pyruvate, it gives carbon dioxide, water and energy and
this action takes place in .
(A) In the cytoplasm
(B) In the mitochondria
(C) In the chloroplasts.
(D) In the nucleus
Answer: (B)
Q89.
In which is the open circulatory system found :
(A) In human beings
(B) In cockroach
(C) In horse
(D) In camel
Answer: (B)
Q90.
What is the structural and functional unit of the human kidney ?
(A) Renal tubule
(B) Neuron
(C) Axon
(D) Nephridia
Answer: (A)
Q91.
Phloem in plant is responsible for:
(A) Water transport
(B) Food transport
(C) Anemoal transport
(D) Oxygen transport
Answer: (B)
Q92.
Blood clotting is helped by
(A) Red blood cell
(B) White blood cell
(C) Blood platelet
(D) None of the above
Answer: (C)
Q93.
In which of the following is pseudopodia found?
(A) Paramecium
(B) Euglena
(C) Amoeba
(D) None of the above
Answer: (C)
Q94.
Dialysis sac in human is:
(A) Nephron
(B) Neuron
(C) Mitochondria
(D) None of the above
Answer: (A)
Q95.
Digestion of food is what type of reaction?
(A) Oxidation
(B) Combination
(C) Reduction
(D) Displacement
Answer: (A)
Q96.
What is the uppermost layer of human teeth?
(A) Dentine
(B) Enamel
(C) Marrow cavity
(D) Bone
Answer: (B)
Q97.
How many carbon molecules are made up of glucose?
(A) Three
(B) Six
(C) Five
(D) Four
Answer: (B)
Q98.
How does a dialysis machine work?
(A) Artificial liver
(B) Artificial testis
(C) Artificial kidney
(D) Artificial gland
Answer: (C)
Q99.
What is the length of a human's alimentary canal?
(A) 8-10 meters
(B) 8-10 centimeters
(C) 2-4 meters
(D) 1-2 meters
Answer: (A)
Q100.
In which part of the plant does respiration take place?
(A) Root
(B) Stem
(C) Leaves
(D) Every part
Answer: (D)
Q101.
Dengue causing mosquito lives in which type of water?
(A) Clean water
(B) Dirty water
(C) Salt water
(D) Soft water
Answer: (A)
Q102.
How does protozoa remove waste material?
(A) By diffusion
(B) By osmosis
(C) By absorption
(D) By expulsion
Answer: (A)
Q103.
Which is the main respiratory organ in human beings?
(A) Trachea
(B) Nose
(C) Lungs
(D) Gills
Answer: (C)
Q104.
Which organ is responsible for transpiration?
(A) Phloem
(B) Root
(C) Stem
(D) Leaf
Answer: (D)
Q105.
Urea is produced in
(A) Kidney
(B) Liver
(C) Stomach
(D) Pancreas
Answer: (B)
Q106.
Which of the following is called the graveyard and blood bank of red blood
cells:
(A) Liver
(B) Spleen
(C) Heart
(D) Stomach
Answer: (B)
Q107.
Which of the following diseases is related to respiratory system?
(A) Diarrhoea
(B) TB
(C) Pneumonia
(D) Both (B) and (C)
Answer: (D)
Q108.
What is the condition of high blood pressure called?
(A) Hypotension
(B) Heart attack
(C) Hypertension
(D) Paralysis
Answer: (C)
Q109.
Which is the largest gland of the body
(A) Salivary gland
(B) Stomach
(C) Liver
(D) Thyroid
Answer: (C)
Q110.
The unit of photosynthesis is
(A) ATP
(B) NADPH2
(C) Chlorophyll molecule
(D) None of these
Q111.
Dung hive comes under which category?
(A) Parasite
(B) Saprophyte
(C) Osmotic
(D) Autotroph
Answer: (B)
Q112.
Digestion of protein takes place in:
(A) Esophagus
(B) Stomach
(C) Pharynx
(D) Pancreas
Answer: (B)
Q113.
How many pairs of salivary glands are found in the mouth cavity of a human
being?
(A) Four
(B) One
(C) Two
(D) Three
Answer: (D)
Q114.
The shape of lungs is:
(A) Spherical
(B) Conical
(C) Cylindrical
(D) Oval
Answer: (B)
Q115.
How many teeth does a small child have in total?
(A) 32
(B) 28
(C) 20
(D) 22
Answer: (C)
Q116.
Vascular tissue is found in the form of:
(A) Epididymis
(B) Xylem
(C) Phloem
(D) Both (B) and (C)
Answer: (D)
Q117.
What is the excretory substance in fishes?
(A) Ammonia
(B) Urea
(C) Uric acid
(D) Amino acid
Answer: (A)
Q118.
Blood pressure of a healthy man is?
(A) 90/60
(B) 200/80
(C) 120/80
(D) 140/160
Answer: (C)
Q119.
Which of the following is a photosynthetic organ?
(A) Stomata
(B) Leaf
(C) Chloroplasts
(D) Root
Answer: (C)
Q120.
The process of digestion is completed in.
(A) Pancreas
(B) Large intestine
(C) Small intestine
(D) Esophagus
Answer: (C)
Q121.
Serum is called.
(A) Plasma with fibrinogen
(B) Plasma without fibrinogen
(C) Plasma without prothrombin
(D) Plasma with prothrombin
Answer: (B)
Q122.
Resin is the excretory substance of which plant?
(A) Babul
(B) Oleander
(C) Peepal
(D) Pine
Answer: (D)
Q123.
Transport of water and salts is always:
(A) Unidirectional
(B) Bidirectional
(C) Multidirectional
(D) All of these
Answer: (A)
Q124.
The main cause of brain hemorrhage is:
(A) Heart attack
(B) Stroke
(C) Hypotension
(D) Hypertension
Answer: (D)
Q125.
Which part of food is digested in oral cavity?
(A) Protein
(B) Fat
(C) Starch
(D) Nucleic acid
Answer: (C)
Q126.
Which of the following comes under biological process?
(A) Nutrition
(B) Respiration
(C) Excretion
(D) All of these
Answer: (D)
Q127.
What is the undigested food in stomach called?
(A) Chyle
(B) Chyme
(C) Chylomicron
(D) All of the above
Answer: (B)
Q128.
What is the anterior part of the stomach called?
(A) Pyloric
(B) Cardiac
(C) Fundic
(D) Epiglottis
Answer: (B)
Q129.
Where in the body does the conversion of ammonia into urea take place?
(A) Liver
(B) Kidney
(C) Spleen
(D) Stomach
Answer: (A)
Q130.
Transport of food material takes place through?
(A) Phloem
(B) Xylem
(C) Stomata
(D) All of the above
Answer: (A)
Q131.
The main function of chlorophyll is
(A) Releasing oxygen
(B) Absorbing light energy
(C) Releasing CO₂
(D) Absorbing water
Answer: (B)
Q132.
Which of the following is the main product of photosynthesis?
(A) CO2
(B) H2O
(C) Glucose
(D) 02
Answer: (C)
Q133.
Which acid is secreted in the stomach?
(A) H2SO4
(B) HCI
(C) HNO3
(D) HNO2
Answer: (B)
Q134.
What is the secretion of the glands found in the wall of the small intestine
called?
(A) Intestinal juice
(B) Gastric juice
(C) Succus entericus
(D) All of these
Answer: (D)
Q135.
How many ATP are produced as a result of fermentation?
(A) 36
(B) 38
(C) 02
(D) 04
Answer: (C)
Q136.
Excretion in plants mainly occurs through:
(A) stomata
(B) lenticels
(C) young stem
(D) all of these
Answer: (D)
Q137.
Which of the following is a photoautotroph?
(A) all green plants
(B) some algae
(C) both (A) and (B)
(D) none of the above
Answer: (C)
Q138.
In Amoeba, food is taken in by:
(A) cells
(B) cilia
(C) pseudopodia
(D) anus
Answer: (C)
Q139.
What is the main function of stomata?
(A) Absorption of O2 and expulsion of CO2
(B) Absorption of CO₂ and expulsion of O2
(C) Expulsion of water vapour
(D) All of these
Answer: (D)
Q140.
What is the plant that grows in shade called?
(A) Holophytes
(B) Siochytes
(C) Theiophytes
(D) All of these
Answer: (B)
Q141.
Which of the following juices plays a role in the digestion of food in the
small intestine?
(A) Bile juice
(B) Pancreatic juice
(C) Intestinal juice
(D) All of these
Answer: (D)
Q142.
In which type of respiration is ethyl alcohol formed?
(A) Aerobic
(B) Anaerobic
(C) Both (A) and (B)
(D) None of these
Answer: (B)
Q143.
Which of the following enzymes is found in saliva?
(A) Trypsin
(B) Pepsin
(C) Tylin
(D) Chymotrypsin
Answer: (C)
Q144.
What are the plants that feed on decaying things called?
(A) Parasites
(B) Saprophytes
(C) Heterotrophs
(D) Autotrophs
Answer: (B)
Q145.
What does a cell usually use for energy production?
(A) Glucose
(B) Amino acids
(C) Fatty acids
(D) Sucrose
Answer: (A)
Q146.
Where does digestion of food take place in saprophytic nutrition?
(A) Outside the cell
(B) Inside the cell
(C) In the digestive system
(D) All of these
Answer: (A)
Q147.
The process by which a human being inhales and exhales is :
(A) Inspiration
(B) Respiration
(C) Expiration
(D) Expiration
Answer: (A)
Q148.
In which cell of stomata is chlorophyll found?
(A) Guard cells
(B) Synergy cells
(C) Both (A) and (B)
(D) None of these
Answer: (A)
Q149.
In which part of the cell does anaerobic respiration take place?
(A) Mitochondria
(B) Cytoplasm
(C) Chloroplasts
(D) Cell membrane
Answer: (B)
Q150.
Oxygen released during photosynthesis comes from:
(A) CO2
(B) Glucose
(C) Breathing
(D) Water
Answer: (D)
Q151. How many atoms of oxygen are there in a
molecule of glucose?
(A) 4
(B) 6
(C) 8
(D) 12
Answer: (B)
Q152.
From which food item we can get adequate amount of iodine?
(A) Sugar
(B) Rice
(C) Salt
(D) None of these
Answer: (C)
Q153.
Humans and other carnivorous animals cannot digest which of the following?
(A) Protein
(B) Cellulose
(C) Fat
(D) All of these
Q154.
Which of the following is an example of parasitic plant?
(A) Bacteria
(B) Cuscuta
(C) Virus
(D) Fungi
Answer: (B)
Q155.
Autotrophic nutrition requires
(A) Chlorophyll
(B) Sunlight
(C) Carbon dioxide
(D) All of these
Answer: (D)
Q156.
Which of the following is a method of nutrition?
(A) Autotrophy.
(B) Respiration
(C) Heterotrophy
(D) Both (A) and (C)
Answer: (D)
Q157.
Which mainly comes under chemical autotrophy?
(A) Green plants
(B) Fungi
(C) Non-living bacteria
(D) Algae
Answer: (C)
Q158.
Where is intestinal juice secreted from?
(A) Stomach
(B) Small intestine
(C) Large intestine
(D) Oral cavity
Answer: (B)
Q159.
Bile breaks down this food material.
(A) Protein
(B) Fat
(C) Carbohydrate
(D) Vitamin
Answer: (B)
Q160.
What is emulsification?
(A) Conversion of complex fat molecules into simple droplets
(B) Breakdown of complex protein
(C) Both 'A' and 'B'
(D) None of the above
Answer: (A)
Q161.
Acidity of gastric juice is due to what?
(A) Mucus
(B) Pepsinogen
(C) Hydrochloric acid
(D) None of the above
Answer: (C)
Q162.
What is the main function of villi?
(A) Digestion of food material -
(B) Absorption of digested food material
(C) Transportation of food material
(D) Removal of waste material
Answer: (B)
Q163.
What converts inactive pepsinogen into active pepsin?
(A) Mucus
(B) Hydrochloric acid
(C) Changes on its own,
(D) None of the above
Answer: (B)
Q164.
The purpose of digestion is
(A) Breakdown of complex elements of food into simplest elements
(B) Smooth absorption of simplest elements
(C) Extraction of energy from food
(D) All of the above
Answer: (D)
Q165.
What is dental caries?
(A) Breakage of teeth
(B) Damage to dentine and enamel
(C) Cleaning of teeth
(D) None of the above
Answer: (B)
Q166.
How does softening of tooth enamel occur?
(A) Acid produced by bacteria
(B) Toothpaste
(C) Acid produced by food
(D) None of the above
Answer: (A)
Q167.
How is dental plaque formed?
(A) Food particles and bacteria in the mouth
(B) Toothpaste
(C) Bacterial decay
(D) None of the above
Answer: (A)
Q168.
Peptic ulcer may occur by
(A) Eating normal food
(B) Eating less food
(C) Staying hungry for a long time
(D) None of the above
Answer: (C)
Q169.
Which of these is an autotroph?
(A) Green plants
(B) Insects
(C) Fish
(D) All of the above
Answer: (A)
Q170.
Plants make it by photosynthesis
(A) Protein
(B) Fat
(C) Carbohydrate
(D) None of these
Answer: (C)
Q171.
In which form is the internal energy stored in green plants?
(A) Fat
(B) Protein
(C) Water
(D) Starch
Answer: (D)
Q172.
In which form do plants obtain nitrogen?
(A) As nitrate
(B) As nitrite
(C) Both 'A' and 'B'
(D) None of these
Answer: (A)
Q173.
These organisms decompose food outside their body
(A) Fungi
(B) Yeast
(C) Mushroom
(D) All of these
Answer: (C)
Q174.
It consumes food with the help of temporary appendages
(A) Paramecium
(B) Amoeba
(C) Euglena
(D) All of these
Answer: (C)
Q175.
Nutrition, respiration and excretion from the surface of the body are the main
characteristics of
(A) Mosquito
(B) Ant
(C) Spider
(D) Amoeba
Answer: (D)
Q176.
The function of salivary amylase is
(A) To break down complex fats
(B) To break down complex proteins
(C) To break down complex starch molecules into sugars
(D) All of these
Answer: (C)
Q177.
Where is peristaltic movement found?
(A) In muscles
(B) In alimentary canal
(C) In heart
(D) In all of these
Answer: (B)
Q178.
What is the posterior part of the stomach called?
(A) Cardiac
(B) Fundic
(C) Pyloric
(D) Parotic
Answer: (C)
Q179. What happens due to excessive acidic secretion from the glands of
stomach?
(A) Secretion of mucus decreases
(B) Peptic ulcer occurs
(C) Both 'A' and 'B'
(D) None of these
Answer: (C)
Q180.
It destroys harmful bacteria in food
(A) Mucus
(C) Pepsin
(B) Hydrochloric acid
(D) Peptone
Answer: (B)
Q181.
Digestion of protein starts in
(A) Oesophagus
(B) Stomach
(C) Pharynx
(D) Pancreas
Answer: (B)
Q182.
The posterior part of the oral cavity is called
(A) Pharynx
(B) Esophagus
(C) Planarian
(D) Pancreas
Answer: (A)
Q183.
What is the small tube-like structure found at the junction of small intestine
and large intestine called?
(A) Caecum
(B) Rectum
(C) Colon
(D) Appendix
Answer: (A)
Q184.
Which of the following juices plays a role in the digestion of food in the
small intestine?
(A) Bile juice
(B) Pancreatic juice
(C) Intestinal juice
(D) All of these
Answer: (D)
Q185.
Glucose is formed in
(A) Hills reaction
(B) Dark reaction
(C) Krebs reaction
(D) During glycolysis
Answer: (B)
Q186.
Approximately how many villi are there in each intestinal cell?
(A) 2000 villi
(B) 1000 villi
(C) 3000 villi
(D) 4000 villi
Answer: (C)
Q187.
The function of the small intestine is
(A) Complete digestion of fats and proteins only
(B) Complete digestion of proteins and carbohydrates only
(C) Complete digestion of carbohydrates, fats and proteins
(D) None of these
Answer: (C)
Q188.What
is the first part of the small intestine?
(A) Jejunum
(B) Duodenum
(C) Ileum
(D) Pyloric
Answer: (B)
Q189.
It makes the acidic food coming from stomach alkaline.
(A) Bile secreted by liver
(B) Pancreatic juice of pancreas
(C) Gastric juice of stomach
(D) All of these
Answer: (a)
Q190.
Pancreatic juice contains
(A) Trypsin enzyme
(B) Lipase enzyme
(C) Amylase enzyme
(D) All of these
Answer: (D)
Q191.
What is the function of villi present in small intestine?
(A) Increasing the surface area of absorption
(B) Decreasing the surface area of absorption
(C) Blocking absorption
(D) None of these
Answer: (A)
Q192.
What does lipase enzyme do?
(A) Breaks down fat into fatty acids and (A) Converts protein into glycerol
(B) Converts protein into amino acids
(C) Both 'A' and 'B'
(D) None of the above
Answer: (A)
Q193.
What is the posterior part of the large intestine called?
(A) Colon
(B) Rectum
(C) Caecum
(D) None of the above
Answer: (B)
Q194.
Pharynx is connected to oesophagus by which hole?
(A) Glottis
(B) Swallowing hole
(C) Anus
(D) None of the above
Answer: (B)
Q195.
Which of the following enzymes is found in bile juice?
(A) Vilin
(B) Villrubin
(C) Villubridin
(D) None of the above
Answer: (D)
Q196.
When during a reaction, there is an increase in oxygen in a substance, which of
the following is it called?
(A) Oxidation
(B) Reduction
(C) Corrosion
(D) None of these
Answer: (A)
Q197.
The pH value of an acid is
(A) less than 7
(B) more than 7
(C) 7
(D) 14
Answer: (A)
Q198.
The ultimate source of energy for all living organisms is
(A) Planets
(B) Moon
(C) Sun
(D) Coal
Answer: (C)
Q199.
What is found in Hydra?
(A) Brain
(B) Leucoplasts
(C) Mouth
(D) Tentacles
Answer: (D)
Q200.
Absorption of fatty acids and glycerol takes place through
(A) Blood
(B) Water
(C) Both (A) and (B)
(D) Lacteal
Answer: (D)
Q201.
Krebs Where does the cycle take place
(A) Cytoplasm
(B) Mitochondria
(C) Golgi bodies
(D) None of the above
Answer: (B)
Q202.
Fish respire from
(A) Oxygen dissolved in water
(B) Nitrogen dissolved in water
(C) By coming out of water
(D) None of the above
Answer: (A)
Q203.
What is formed from pyruvate in yeast in the absence of oxygen?
(A) CO2+H2O
(B) Lactic + acid
(C) Ethanol + CO2
(D) All of the above
Answer: (C)
Q204.
What is formed from pyruvate in the presence of oxygen in mitochondria?
(A) CO2+ H2O + energy
(B) Lactic acid + energy
(C) Ethanol + CO2 + energy
(D) None of the above
Answer: (A)
Q205.
Breakdown of ATP releases high energy from
(A) Inorganic phosphate
(B) Water
(C) CO2
(D) None of these
Answer: (A)
Q206.
Which process does not occur in fermentation?
(A) Glycolysis
(B) Krebs cycle
(C) ETS
(D) None of these is formed
Answer: (B)
Q207.
Lime water becomes what in the presence of CO2?
(A) Blue
(B) Milky
(C) Yellow
(D) Red
Answer: (B)
Q208.
Waste air is expelled through which of the following routes?
(A) Alveoli Bronchial Trachea Pharynx Nasal Pores Out
(B) Pharynx Bronchial Trachea Nasal Pores Out
(C) Alveoli Bronchial Trachea Nasal Pores Pharynx Nasal pores Outside
(D) All of these
Answer: (A)
Q209.
In anaerobic respiration ATP is formed, whereas in aerobic respiration ATP is
formed
(A) 2 ATP, 36 ATR
(B) 36ATP, 2ATP
(C) 36 ATP, 38 ATR
(D) 38 ATP, 2 ATR
Answer: (A)
Q210.
Which of the following is known as the energy currency of the cell?
(A) ADP
(B) ATP
(C) DTP
(D) PDP
Answer: (B)
Q211.
How many tracheal rings are there in a trachea?
(A) 10-12
(B) 12-14
(C) 14-16
(D) 16-20
Answer: (D)
Q212.
The process of fermentation is.
(A) Anaerobic
(B) Aerobic
(C) Both 'A' and 'B'
(D) None of these
Answer: (A)
Q213.
What is the respiration that takes place in the presence of oxygen called?
(A) Anaerobic respiration
(B) Aerobic respiration
(C) Fermentation
(D) None of these
Answer: (B)
Q214.
What is formed from pyruvate in our muscles in the absence of oxygen?
(A) Ethanol
(B) CO2
(C) Lactic acid
(D) HO2
Answer: (C)
Q215.
Why do our muscles cramp?
(A) Due to accumulation of lactic acid
(B) Due to accumulation of ethanol
(C) Due to CO2
(D) Which of the following None
Answer: (A)
Q216.
Exchange of gases in plants takes place through which process?
(A) Fermentation
(B) Diffusion
(C) Both 'A' and 'B'
(D) None of these
Answer: (B)
Q217.
Respiration in fishes takes place through
(A) Trachea
(B) Lungs
(C) Body surface
(D) Gills
Answer: (D)
Q218.
Respiratory system in humans takes place through
(A) Larynx
(B) Trachea
(C) Lungs
(D) All of these.
Answer: (D)
Q219.
Exhaled air contains
(A) CO2
(B) O2
(C) N2
(D) CO2
Answer: (A)
Q220.
Older roots lack root hairs , then how do they exchange gases for respiration?
(A) By stomata
(B) By lenticels
(C) By inter cellular spaces
(D) All of these
Answer: (B)
Q221. By which method water is absorbed by the
hair follicles?
(A) By diffusion
(B) By osmosis
(C) Transfer
(D) Both (A) and (B)
Answer: (D)
Q222.
Which process of respiration takes place in the cytoplasm?
(A) Glycolysis
(B) Krev's cycle
(C) ETS
(D) All of these
Answer: (A)
Q223.
How much energy is released by the aqueous dissociation of anti-P?
(A) 30.5 kJ/mol
(B) 68.5 kJ/mol
(C) 129.5 kJ/mol
(D) 8.0 kJ/mol
Answer: (A)
Q224.
In animals, when molecular oxygen is not available, into which compound is
pyruvate converted?
(A) Phosphoric acid
(B) Lactic acid
(C) Citric acid
(D) Glucose
Answer: (B)
Q225.
How many pairs of breathing pores are found in cockroach?
(A) 2
(B) 8
(C) 10
(D) 6
Answer: (C)
Q226.
The seeds used for the study of respiration are
(A) Soaked seeds
(B) Sprouted seeds
(C) Boiled seeds
(D) Crushed seeds
Answer: (B)
Q227.
The end products of respiration are
(A) CO2 and H2O
(B) CO2 and energy
(C) H2O and energy
(D) CO2, H2O and energy
Answer: (D)
Q228.
How much energy is released from the breakdown of ADP during respiration in
plants?
(A) 30.5 kJ/mol
(B) 305 kJ/mol
(C) 3.5 kJ/mol
(D) None of these
Answer: (A)
Q229.
What is the outcome of food substances in the reaction of respiration?
(A) Combustion
(C) Disintegration
(B) Synthesis
(D) Transformation
Answer: (C)
Q230.
What is the veno-atrial hole called?
(A) Pacesetter
(B) Pacemaker
(C) Cardiogram
(D) All of these
Answer: (B)
Q231.
Which type of nucleus is found in neutrophil among the following?
(A) Bilobed
(B) Kidney shaped
(C) Multilobed
(D) S-shaped
Answer: (C)
Q232.
Which of the following is known as blood bank
(A) Liver
(B) Spleen
(C) Marrow
(D) None of these
Answer: (B)
Q233.
How much time does one cardiac cycle take?
(A) 0.1 sec
(B) 0.3 sec
(C) 0.8 sec
(D) 0.5 sec
Answer: (C)
Q234.
The blood of the body enters the right atrium from…
(A) Two posterior vena cava and one anterior vena cava
(B) One anterior vena cava and two posterior vena cava
(C) One anterior vena cava and one posterior vena cava
(D) Two anterior vena cava and one posterior vena cava
Answer: (D)
Q235.
Impure blood goes from lungs to heart
(A) through pulmonary vein
(B) through pulmonary artery
(C) through blood capillaries
(D) none of these
Answer: (B)
Q236.
The function of arteries is
(A) to carry pure blood
(B) to carry impure blood
(C) both 'A' and 'B'
(D) none of these
Answer: (A)
Q237.
Arteries carry pure blood
(A) from heart to different parts of the body
(B) from body to heart
(C) from heart to lungs
(D) none of these
Answer: (A)
Q238.
Veins carry impure blood..
(A) from body parts to heart
(B) from heart to body
(C) from heart to lungs
(D) none of these
Answer: (A)
Q239.
These cells stop bleeding
(A) Red blood cells
(B) White blood cells
(C) Lymph
(D) Platelets
Answer: (D)
Q240.
Lymph is colourless because it contains
(A) No red blood cells
(B) Red blood cells
(C) No white blood cells
(D) None of the above
Answer: (A)
Q241.
Lymph carries
(A) Absorbed carbohydrates
(B) Absorbed fats
(C) Both 'A' and 'B'
(D) None of the above
Answer: (B)
Q242.
What happens due to the difference in ion concentration between the roots of a
plant and the soil?
(A) Water enters the roots from the soil
(B) Water enters the roots from the leaves
(C) Water moves in the phloem
(D) None of the above
Answer: (A)
Q243.
What is the removal of water through stomata called?
(A) Photosynthesis
(B) Excretion
(C) Transpiration
(D) Respiration
Answer: (C)
Q244.
What is the importance of transpiration?
(A) Mineral absorption and transportation
(B) Transport of water
(C) Heat balance
(D) All of the above
Answer: (D)
Q245.
What is blood pressure?
(A) Pressure on blood flow in infants
(B) Pressure on blood flow in capillaries
(C) Pressure of blood flow in aorta and its branches
(D) All of the above
Answer: (C)
Q246.
How is blood pressure generated?
(A) Contraction of atriums
(B) Relaxation of ventricles
(C) Contraction of ventricles
(D) Relaxation of atriums
Answer: (C)
Q247.
What is the instrument called which measures blood pressure?
(A) Sphygmomanometer
(B) Dialysis machine
(C) Dialyzer
(D) None of the above
Answer: (A)
Q248.
What happens in high blood pressure?
(A) Dilation of arteries
(B) Contraction of arteries
(C) Normality of arteries
(D) All of the above
Answer: (B)
Q249.
What can be the cause of high blood pressure?
(A) Anxiety
(C) Disease
(B) Anxiety
(D) All of the above
Answer: (D)
Q250.
Why does high blood pressure become fatal?
(A) It may cause blood vessels to burst
(B) It may cause internal bleeding
(C) It may cause heart stroke
(D) All of these
Answer: (D)
Q251.
The rhythmic contraction of the heart beat is caused by ?
(A) Left atrium
(B) Left ventricle
(C) S-A node
(D) None of these
Answer: (C)
Q252.
Blood is pumped from the heart to the entire body.
(A) Lungs
(B) Ventricle
(C) Atrium
(D) All of these
Answer: (B)
Q253.
In which organism, blood goes to the heart only once in a cycle?
(A) Cow
(B) Bird
(C) Fish
(D) Snake
Answer: (C)
Q254.
What gives red colour to haemoglobin
(A) Iron
(B) Magnesium
(C) Copper
(D) None of these
Answer: (A)
Q255.
In which organism oxygen does not reach the tissues through blood?
(A) Cow
(B) Human
(C) Cockroach
(D) All of these
Answer: (C)
Q256.
The pacemaker of the heart is called
(A) SA node
(B) AB node
(C) Bundle of His
(D) Purkinje fibres
Answer: (A)
Q257.
Haemoglobin in humans has high affinity for -
(A) Oxygen
(B) Nitrogen
(C) Both 'A' and 'B'
(D) None of these
Answer: (A)
Q258.
Human blood carries
(A) Food
(B) Oxygen
(C) Waste materials
(D) All of these
Answer: (D)
Q259.
Apart from plasma, blood contains:
(A) Red blood cells (RBC)
(B) White blood cells (WBC)
(C) Blood platelets
(D) All of these
Answer: (D)
Q260.
Oxygen rich blood from pulmonary veins goes to the heart's
(A) left atrium
(B) right atrium
(C) left ventricle
(D) right ventricle
Answer: (A)
Q261.
Blood is transported from
(A) left atrium to left ventricle
(B) right atrium to left ventricle
(C) right atrium to right ventricle
(D) Both 'A' and 'C'
Answer: (D)
Q262.
When relaxation and expansion of atrium occurs,
(A) Both ventricles contract
(B) One ventricle contracts
(C) Both ventricles relax
(D) All of these
Answer: (A)
Q263.
How many chambers are there in the heart of a reptile?
(A) Two
(B) Three
(C) Four
(D) One
Answer: (B)
Q264.
Which component of blood helps in stopping bleeding?
(A) Lymph
(B) Plasma
(C) Platelets
(D) None of these
Answer: (C)
Q265.
In which direction is the transport of food substances through phloem in a
plant?
(A) Only downward
(B) Only upward
(C) Both upward and downward
(D) None of these
Answer: (C)
Q266.
The relaxation of the chambers of the heart is called
(A) Systole
(B) Diastole
(C) Cardiac contraction
(D) Rhythmic contraction
Answer: (B)
Q267.
The heart of a reptile has
(A) One atrium and two ventricles
(B) One atrium and one ventricle
(C) Two atriums and one ventricle
(D) Two atriums and two ventricles
Answer: (C)
Q268.
How many chambers are there in the heart of a fish?
(A) One
(B) Two
(C) Three
(D) Four
Answer: (B)
Q269.
By which process is excess water removed from plants?
(A) Excretion
(B) Transpiration
(C) Absorption
(D) Photosynthesis
Answer: (B)
Q270.
How is the transfer of food material done in plants?
(A) From high concentration to low concentration
(B) From low concentration to high concentration
(C) Both 'A' and 'B'
(D) All of these
Answer: (A)
Q271.
What do plants absorb through their roots?
(A) Nitrogen
(B) Phosphorus
(C) Water
(D) All of these
Answer: (D)
Q272.
What is the carrier of oxygen?
(A) WBC
(B) RBC
(C) Lymph
(D) None of these
Answer: (B)
Q273.
By which reaction oxygen reaches the cells of plants from the external
environment?
(A) Photosynthesis
(B) Diffusion
(C) Fermentation
(D) Combustion
Answer: (B)
Q274.
Which tissue transports water and soluble salts from root hairs to leaves?
(A) Phloem
(B) Xylem
(C) Parenchyma
(D) Palisade
Answer: (B)
Q275.
Which of the following is the main reason for redness of blood?
(A) Presence of haemoglobin
(B) Presence of thrombin
(C) Presence of thromboplastin
(D) Due to fibrin
Answer: (A)
Q276.
Which instrument records the electric current generated by S-A node?
(A) Sphygmomanometer
(B) Dialyser
(C) Electrocardiograph
(D) None of the above
Answer: (B)
Q277.
Produces antibodies in the body.
(A) Lymphocyte
(B) Monocyte
(C) Basophil
(D) Neutrophil
Answer: (A)
Q278.
Demonstrate the removal of water in transpiration
(A) is a complex process
(B) is quite easy
(C) is easy for the teacher
(D) is not possible
Answer: (B)
Q279.
Which of the following has the fastest heart beat?
(A) whale
(B) mouse
(C) elephant
(D) man
Answer: (B)
Q280.
Carbohydrates are transported through phloem tissues
(A) as glucose
(B) as fructose
(C) as lactose
(D) as sucrose
Answer: (D)
Q281. In plants, xylem is responsible for the
transportation of which of the following?
(A) Glucose
(B) Fructose
(C) Lactose
(D) Sucrose
Answer: (A)
Q282.
Food material is transported through ?
(A) Phloem
(B) Xylem
(C) Stomata
(D) All of these
Answer: (A)
Q283.
Which component of blood blocks the path of bleeding from the injured place by
forming a blood clot?
(A) Red blood cells (R.B.C.)
(B) White blood cells (W.B.C.)
(C) Platelets
(D) Lymph
Answer: (C)
Q284.
Which antigen is found in blood group AB?
(A) Antigen A
(B) Antigen B
(C) Antigen O
(D) Antigen 'A' and 'B'
Answer: (D)
Q285.
Where does reabsorption of glucose take place?
(A) In Henle's loop
(B) In PCT
(C) In DCT
(D) All of these
Answer: (B)
Q286.
Aquatic organisms have nitrogenous waste material, whereas terrestrial
organisms have ......
(A) Ammonia, Urea
(B) Urea, Uric acid
(C) Ammonia, Uric acid
(D) Urea, Ammonia
Answer: (A)
Q287.
The pH of blood, osmotic concentration and electrolyte balance are controlled
by
(A) Glomerular filtration
(B) Selective reabsorption
(C) Tubular secretion
(D) Haemodialysis
Answer: (B)
Q288.
Excretory system of human being consists of
(A) Kidney
(B) Ureter
(C) Bladder and urethra
(D) All of these
Answer: (D)
Q289.
How do nitrogenous pigments (urea, uric acid) come out of the body?
(A) By respiration
(B) By excretion
(C) Photosynthesis
(D) Both 'A' and 'B'
Answer: (B)
Q290.
How many kidneys are there in human body?
(A) One pair
(B) Two pairs
(C) Only one
(D) Three
Answer: (A)
Q291.
Urine consists of
(A) Water
(B) Urea
(C) Sodium chloride
(D) All of these
Answer: (D)
Q292.
Nephron has a cup-like structure
(A) Bowman's capsule
(B) Arch of Henle
(C) Glomerulus
(D) Malpighian cob
Answer: (A)
Q293.
Which structure is surrounded by Bowman's capsule?
(A) Ureter
(B) Arch of Henle
(C) Glomerulus
(D) None of these
Answer: (C)
Q294.
What happens when the kidney becomes dysfunctional? (A) The body secretes toxic
waste materials
(B) The body excretes more waste materials
(C) There is no harm to the body
(D) None of these
Answer: (A)
225.
By which process does artificial kidney remove waste materials?
(A) By dialysis
(B) Through urine
(C) Through respiration
(D) All of these
Answer: (A)
Q296.
The shape of the kidney is
(A) Like a bean seed
(B) Triangular
(C) Shapeless
(D) None of these
Answer: (A)
Q297.
Which excretory substance does not require water to be removed?
(A) Ammonia
(B) Uric acid
(C) All of these
(D) Urea
Answer: (B)
Q298.
Which waste products does artificial kidney separate from blood by dialysis?
(A) Nephron
(B) Carbon
(C) Mitochondria
(D) All of these
Answer: (A)
Q299.
In haemodialysis what happens?
(A) Blood is cooled to 0°C
(B) Dialyser is made of partially permeable cellophane
(C) Anticoagulant is added to the blood
(D) All of these
Answer: (D)
Q300.
Kidney is a part of which biological process?
(A) Excretion
(B) Respiration
(C) Nutrition
(D) Transportation
Answer: (A)
Q301. Where are waste materials stored in plants?
(A) Heartwood
(B) Leaves
(C) Bark
(D) All of these
Answer: (D)
Q302.
What type of nitrogenous substance (waste) is excreted by living organisms?
(A) Ammonia
(B) Uric acid
(C) Urea
(D) All of these
Answer: (D)
Q303.
Where in the body does the conversion of ammonia into urea take place?
(A) Liver
(B) Kidney
(C) Spleen
(D) Stomach
Answer: (A)
Q304.
Normal diastolic blood pressure is
(A) 80 mm
(B) 100 mm
(C) 120 mm
(D) 130 mm
Answer: (A)
Q305.
In one cycle of double circulation, blood is carried
(A) Between heart and lungs
(B) Between heart and other organs of the body
(C) Both 'A' and 'B'
(D) None of these
Answer: (C)
Q306.
In which of the following options open transport system is not found?
(A) Cockroach
(B) Insect
(C) Human being
(D) Both A and B
Answer: (C)
Q307.
Which option of white blood cell secretes heparin or histamine?
(A) Neutrophil
(B) Basophil
(C) Acidophil
(D) Monoside
Answer: (B)
Q308.
From which part of the heart does blood go to the lungs?
(A) Right atrium
(B) Left atrium
(C) Right ventricle
(D) Left ventricle
Answer: (C)
The End
कृप्या इस लेख को अधिक - से - अधिक शेयर करदें ।
