Q. Which of the following changes is catalyzed by the enzyme trypsin?
(A) Proteins to peptones
(B) Proteins to peptides
(C) Proteins to amino acids
(D) Starch to glucose
Ans: (C)
Q. In the human body, which structure is the appendix attached to?
(A) The large intestine
(B) The small intestine
(C) The gall bladder
(D) The stomach
Ans: (A)
Q. Which one of the following is the correct sequence in the order decreasing the length of the three structural part given below, of the small intestine in the human body?
(A) Jejunum – Duodenum – Ileum
(B) Ileum – Duodenum – Jejunum
(C) Jejunum – Ileum – Duodenum
(D) Ileum – Jejunum – Duodenum
Ans: (D)
Q. Which of the following foods will provide the nutrient for the growth of new tissues in the human body?
(A) Fruit
(B) Vegetables
(C) Cheese
(D) Sweets
Ans: (C)
Q. Nutraceuticals are products which have
(A) Nutrients vitamin and minerals
(B) Nutrients protein and fatty acids
(C) Nutrient and toxic effect
(D) Nutrient and medicinal effect
Ans: (D)
Q. Identify the correct pair of enzyme and its function.
(A) Acid phosphatase – Mitochondrial marker enzymes related to oxidative functions
(B) E. coli restriction endonuclease- II – Cuts DNA at specific places
(C) Acrosin – Cortical granules of ovum secrete it to prevent polyspermic fertilization
(D) Succinic dehydrogenase – Lysosomal marker enzyme, hydrolyses metabolites
Ans: (B)
Q. With reference to the work of human kidney, consider the following statements.
1. After the waste is removed in the kidney, the cleaner blood is sent back through renal artery.
2. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein. Which of these statements is/are correct?
(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2
Ans: (C)
Q. Assertion (A): In human body, the liver has an important role in fat digestion. Reason (R): Liver produces two important fat-digesting enzymes. Code
(A) Both (A) and (R) are true and
(R) is the correct explanation of
(A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (C)
Q. Given below are two statements. Assertion (A): Human body is incapable of digesting cellulose. Reason (R): Starch degrading enzyme, diastase, is found in human body. Choose the correct answer from the code given below. Code
(A) Both (A) and (R) are true and
(R) is the correct explanation of
(A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (B)
Q. Digestion of Lipids takes place in the presence of some of the following.
1. Bile acids 2. Lipases
3. Pepsin Of these
(A) Only 1 is correct
(B) Only 1 and 3 are correct
(C) Only 1 and 2 are correct
(D) 1, 2 and 3 are correct
Ans: (C)
Q. Assertion (A): All the proteins in our food are digested in small intestine only. Reason (R): The proteindigesting enzyme from the pancreas are released into the small intestine. Code
(A) Both (A) and (R) are true and
(R) is the correct explanation of
(A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (D)
10. Photosynthesis
Q. Consider the following statements about probiotic food.
1. The probiotic food contains live bacteria which are considered beneficial to humans.
2. Probiotic food helps in maintaining gut flora. Which of the statements given above is/are correct?
(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2
Ans: (C)
Q. Which one of the following gases is essential for photosynthesis process?
(A) CO
(B) CO2
(C) N2
(D) O2
Ans: (B)
Q. Oxygen, which is liberated during photosynthesis comes from
(A) Water
(B) Carbon dioxide
(C) Chlorophyll
(D) Phosphoglyceric acid
Ans: (A)
Q. It happens during the photosynthesis in green plants
(A) Taking nitrogen and releasing oxygen
(B) Taking CO2 and releasing oxygen
(C) Taking oxygen and releasing CO2
(D) Taking oxygen and releasing nitrogen
Ans: (B)
Q. Which one of the following gases is used by plants in photosynthesis?
(A) Ammonia
(B) Carbon dioxide
(C) Chlorine
(D) Sulphur dioxide
Ans: (B)
Q. Which of the following types of light are strongly absorbed by plants?
(A) Violet and orange
(B) Blue and red
(C) Indigo and yellow
(D) Yellow and violet
Ans: (B)
Q. Most of the oxygen on earth is produced by
(A) Grasses
(B) Algae
(C) Trees
(D) Paddy fields
Ans: (B)
Q. Photosynthesis occurs in
(A) Night
(B) Day and night
(C) Day or night
(D) Only day
Ans: (C)
Q. The process by which plants produce food is called
(A) Carbohydrolysis
(B) Metabolic synthesis
(C) Photosensitization
(D) Photosynthesis
Ans: (D)