NEET Biology Digestion and Absorption MCQs Set 18

Biology Objective Questions and Answers: Digestion and Absorption

Review structured MCQ sets for NEET Biology Digestion and Absorption. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

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Multiple Choice Questions

Question 1: Tocopherol stands for
(a) VitaminA
(b) VitaminE
(c) VitaminC
(d) VitaminK
Show Answer & Explanation

Answer: (b) VitaminE

Explanation:
1. Tocopherol is the chemical name of vitamin E.
2. It is a fat soluble vitamin and an antioxidant, called the antisterility factor in rats.

Teacher's Note:
1. Vitamin A is retinol, C is ascorbic acid and K is phylloquinone.

Question 2: Scurvy is caused due to deficiency of vitamin
(a) A
(b) B
(c) E
(d) C
Show Answer & Explanation

Answer: (d) C

Explanation:
1. Scurvy is caused by deficiency of vitamin C (ascorbic acid).
2. It causes bleeding gums and poor wound healing because collagen formation is affected.

Teacher's Note:
1. Remember the disease with each vitamin.

Question 3: The contraction of gall bladder is due to
(a) gastrin
(b) secretin
(c) cholecystokinin
(d) enterokinase
Show Answer & Explanation

Answer: (c) cholecystokinin

Explanation:
1. Cholecystokinin (CCK), secreted by the duodenum, causes contraction of the gall bladder and release of bile.
2. Secretin acts on the pancreas and gastrin on gastric glands.

Teacher's Note:
1. Enterokinase is an enzyme.

Question 4: The function of rennin is
(a) vasodilation
(b) reduce blood pressure
(c) degradation of angiotensinogen
(d) none of the above
Show Answer & Explanation

Answer: (d) none of the above

Explanation:
1. Rennin (chymosin) clots milk protein in the stomach of infants, whereas renin (not rennin) acts on angiotensinogen.
2. The options describe renin, so none is the function of rennin.

Teacher's Note:
1. Do not confuse the two similar names.

Question 5: Liver in our body stores
(a) VitaminA
(b) VitaminD
(c) VitaminB12
(d) All of these
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Answer: (d) All of these

Explanation:
1. The liver stores vitamins A, D and B12 along with glycogen and iron.
2. So all the vitamins listed are stored there.

Teacher's Note:
1. It is the main store of fat soluble vitamins.

Question 6: Vitamin C is alsocalled as
(a) ascorbic acid
(b) glutamic acid
(c) aspartic acid
(d) enolic acid
Show Answer & Explanation

Answer: (a) ascorbic acid

Explanation:
1. Vitamin C is ascorbic acid, a water soluble vitamin.
2. Glutamic and aspartic acids are amino acids.

Teacher's Note:
1. Vitamin C is needed for collagen synthesis.

Question 7: Which of thefollowinghas minimumpH?
(a) Bile
(b) Saliva
(c) Gastric juice
(d) Pancreatic juice
Show Answer & Explanation

Answer: (c) Gastric juice

Explanation:
1. Gastric juice has the lowest pH (about 2) because of the HCl secreted by oxyntic cells.
2. Saliva is about 6.8 and bile and pancreatic juice are alkaline.

Teacher's Note:
1. HCl activates pepsinogen.

Question 8: Which of following teeth are lophodont?
(a) Incisor and canine
(b) Premolar and molar
(c) Canineand premolar
(d) Premolar and incisor
Show Answer & Explanation

Answer: (b) Premolar and molar

Explanation:
1. Lophodont teeth have ridged cusps for grinding, as the premolars and molars of herbivores.
2. Incisors cut and canines tear.

Teacher's Note:
1. Human molars are bunodont, with rounded cusps.

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FAQs

Where can I access latest NEET Biology Digestion and Absorption MCQs Set 18?

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Are Assertion-Reasoning and Case-Study MCQs included in the Biology NEET material?

Yes, our NEET Biology Digestion and Absorption MCQs Set 18 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NEET paper is now competency-based.

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