NCERT Digestion Absorption MCQs,PDFs,mock,model Biology Test NEET

Digestion and Absorption Mock Exam-6

Question No:1

Major function performed by buccal cavity is

[A] mastication of food
[B] facilitation of swallowing
[C] both
[D] none



Question No:2

The bolus formed in buccal cavity conveyed into pharynx and then esophagus by the process called

[A] peristalsis
[B] emesis
[C] deglutination/swallowing
[D] dysglutination



Question No:3

Mucus hi saliva helps in lubricating and adhering the masticate food particle into a ________ in buccal cavity

[A] chyme
[B] chyle
[C] bolus
[D] any of the above



Question No:4

Saliva contains

[A] Salivary amylase / Ptyalin
[B] Electrolyte (Na+,K+,CI HCO3-etc.)
[C] Lysozyme
[D] All



Question No:5

Lysozyme

[A] Anti viral agent
[B] Anti-bacterial agent
[C] Acts on lipid
[D] Acts on carbohydrates



Question No:6

Lysozyme

[A] Cellular barrier
[B] Cytokine barrier
[C] Physiological barrier
[D] Physical barrier



Question No:7

How much % of starch is hydrolyzed in mouth?

[A] 30
[B] 50
[C] 70
[D] 90



Question No:8

Optimum pH for salivary enzyme is

[A] 6.2
[B] 5.8
[C] 6.8
[D]



Question No:9

Salivary amylase acts on

[A] slightly basic Ph
[B] highly acidic pH
[C] slightly acidic pH
[D] highly basic Ph



Question No:10

Gastric glands are situated in

[A] Sub-mucosa
[B] Mucosa
[C] Muscularis
[D] Serosa



Question No:11

Match the column:
A

A. Mucus neck cells
B. Peptic or Chief cells
C. Parietal / Oxyntic cells


B

1) HCI
2) Intrinsic factor
3) Pepsinogen
4) Mucus

[A] A->4,B->3,C->1,2
[B] A -> 1, 4, B -> 2, C->2
[C] A->4, B-> 1,3,C->2
[D] A -> 4, B ->2,3 C->1



Question No:12

Which is required for absorption of Vit B,12?

[A] HCI
[B] Pepsin
[C] Intrinsic factor
[D] Amylase



Question No:13

The stomach stores food for

[A] 1 hr
[B] 2-3hr
[C] 4-5 hrs
[D] 30min



Question No:14

Digestion of carbohydrates starts from

[A] buccal cavity
[B] stomach
[C] small intestine
[D] large intestine



Question No:15

Select the total number of true statement from the following.
A. In stomach bolus is converted to chime
B. Chief cells secrets intrinsic factor required for absorption of Vit B12
C. Pepsinogen → HCI pepsin
D. Pepsin converts protein into amino acids.

[A] 1
[B] 2
[C] 3
[D] 4