NCERT Class 11-Biology: Chapter –16 Digestion and Absorption Part 1
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Multiple Choice Questions
Question 1:
Select what is not true of intestinal villi among followings
a. They possess microvilli
b. They increase the surface area
c. They are supplied with capillaries and the lacteal vessels
d. They only participate in digestion of fats
Answer: (d)
Question 2:
Hepato-pancreatic duct opens into the duodenum and carries
a. Bile
b. Pancreatic juice
c. Both bile and pancreatic juice
d. Saliva
Answer: (c)
Question 3:
One of the following is not a common disorder associated with digestive system
a. Tetanus
b. Diarrhoea
c. Jaundice
d. Dysentery
Answer: (a)
Question 4:
A gland not associated with the alimentary canal is
a. Pancreas
b. Adrenal
c. Liver
d. Salivary glands
Answer: (b)
Question 5:
Match the two columns and select the correct among options given
Column I | Column II | ||
A. | Biomacromolecules of food | i. | Alimentary canal and associated gland |
B. | Human digestive system | ii. | Embedded in jawbones. |
C. | Stomach | iii. | Outer wall of visceral organs |
D. | Thecodont | iv. | Converted into simple substances |
E. | Serosa | v. | J-shaped bag like structure |
Options:
a. A-ii, B-i, C-v, D-iii, E-iv
b. A-iv, B-i, C-v, D-ii, E-iii
c. A-i, B-ii, C-iii, D-iv, E-v
d. A-i, B-iii, C-ii, D-iv, E-v
Answer: (b)
Question 6:
Match the two columns and select the right one among options given
Column I | Column II | ||
A. | Duodenum | i. | A cartilaginous flap |
B. | Epiglottis | ii. | Small blind sac |
C. | Glottis | iii. | ‘U’ shaped structure emerging from the stomach |
D. | Caecum | iv | Opening of wind pipe |
Options
a. A-i, B-ii, C-iii, D-iv
b. A-iv, B-iii, C-ii, D-i
c. A-iii, B-i, C-iv, D-ii
d. A-ii, B-iv, C-i, D-iii
Answer: (c)
Question 7:
Match the enzyme with their respective substrate and choose the right one among options given
Column I | Column II | ||
A. | Lipase | i. | Dipeptides |
B. | Nuclease | ii. | Fats |
C. | Carboxypeptidase | iii. | Nucleic acids |
D. | Dipeptidases | iv | Proteins, peptones and proteoses. |
Options:
a. A-ii, B-iii, C-i, D-iv
b. A-iii, B-iv, C-ii, D-i
c. A-iii, B-i, C-iv, D-ii
d. A-ii, B-iii, C-iv, D-i
Answer: (d)