NCERT Digestion Absorption PDF,MCQs,mock,model Biology exam NEET

Digestion and Absorption Mock Exam-10

Question No:1

The cause(s) of indigestion is/are

[A] Inadequate enzymes secretion
[B] Anxiety
[C] Food poisoning, over eating and spicy food
[D] All



Question No:2

The abnormal frequent bowel movement and increased liquidity of faecal discharge is known as

[A] constipation
[B] vomiting
[C] diarrhoea
[D] indigestion



Question No:3

Swelling of gut is the most common ailment due to

[A] bacterial infections
[B] viral infections
[C] infection of intestinal parasites (e.g. different types of worms)
[D] all



Question No:4

Which of the following is correct about vomiting?

[A] Ejection of stomach content through mouth
[B] It is a reflex action.
[C] A feeling of nausea precedes vomiting
[D] All



Question No:5

One gram of fat produces

[A] 4.1 kcal of chemical energy
[B] 9.45 kcal of chemical energy
[C] 7.0 kcal of chemical energy
[D] 5.0 kcal of chemical energy



Question No:6

The amount of heat liberated from the complete combustion of 1 gm of food in a bomb calorimeter is known as its_________

[A] gross caloric value
[B] gross energy value
[C] physiological value
[D] both (a) and (b)



Question No:7

Assertion: Process of conversion of complex food substances to simple absorbable forms is called digestion.
Reason: Biomacromolecules in food cannot be utilized by our body in their original form.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:8

Assertion: Tounge contain receptor for taste.
Reason: The upper surface of the tounge has small projections called papillae, all of which bear taste buds which act as receptor for taste

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:9

Assertion: Large intestine also shows the presence of villi like small intestine.
Reason: Absorption of most substance takes place in large intestine.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:10

Assertion: Lipases of bile help in the emulsification of fats.
Reason: Lipases can break large fat droplets into smaller ones.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:11

Assertion: Presence of HCl in stomach is necessary for the process of digestion.
Reason: HCl kills and inhibits the growth of bacteria in the stomach.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:12

Assertion: Facilitated diffusion is more rapid than simple diffusion.
Reason: Facilitated diffusion involves expenditure of energy unlike simple diffusion.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:13

Assertion: Mucosal epithelium secretion helps in lubrication.
Reason: Mucosal epithelium has goblet cells which secretes mucus.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:14

Assertion: The vermiform appendix which is vestigeal organ arises from ileum.
Reason: Appendix is small blind sac which hosts some non symbiotic bacteria.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:15

Assertion: Pancrease is a compound organ.
Reason: Pancrease contain both exocrine and endocrine tissues.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false