Digestion and Absorption — Page 2 | NEET Biology

Q11

Which one of the following is a matching pair of a vitamin and the deficiency disease related with it?

A Riboflavin - beri beri

B Thiamine - xerophthalmia

C Niacin - pellagra

D Calciferol - scurvy

Correct Answer

Option C

Solution

(c) Niacin (Vit B3) deficiency causes pellagra. Beri-beri = Vitamin B1; scurvy = Vitamin C; rickets = Vitamin D.

Q12

Which one of the following vitamins can be synthesized by bacteria inside the gut?

A B1

B C

C D

D K

Correct Answer

Option D

Solution

(d) Vitamin K is produced by intestinal bacteria.

Q13

Which one of the following is a protein deficiency disease?

A Night blindness

B Eczema

C Kwashiorkor

D Cirrhosis

Correct Answer

Option C

Solution

(c) Kwashiorkor is a protein deficiency disease.

Q14

One of the factors required for the maturation of erythrocytes is

A Vitamin A

B Vitamin B12

C Vitamin C

D Vitamin D

Correct Answer

Option B

Solution

(b) Vitamin B12 (cobalamine) is needed for formation and maturation of RBCs.

Q15

Nutrients absorbed by blood capillaries of intestinal villi first go into

A liver through hepatic portal vein

B hepatic artery

C aorta

D posterior vena cava

Correct Answer

Option A

Solution

(a) Hepatic portal system brings venous blood directly from digestive tract to liver via hepatic portal vein.

Q16

Which one of the following pairs is mismatched?

A Vitamin C - Scurvy

B Vitamin D - Rickets

C Vitamin K - Beri Beri

D Vitamin A - Xerophthalmia

Correct Answer

Option C

Solution

(c) Vitamin K deficiency causes prolonged bleeding. Beri-beri is caused by Vitamin B1 deficiency.

Q17

A patient suffering from cholera is given saline drip because

A Cl- ions are important component of blood plasma

B Na+ ions help to retain water in the body

C Na+ ions are important in transport of substances across membrane

D Cl- ions help in the formation of HCl in stomach for digestion

Correct Answer

Option B

Solution

(b) Na+ ions restore osmotic balance by retaining water in the body.

Q18

A person deficient in the rhodopsin should be advised to take more of

A Guava and ripe banana

B Apple and grapes

C Carrot and ripe papaya

D Radish and potato

Correct Answer

Option C

Solution

(c) Vitamin A is essential for synthesis of rhodopsin. Carrot and papaya are good sources of vitamin A.

Q19

Which one is correctly matched?

A Vitamin E - Tocopherol

B Vitamin D - Riboflavin

C Vitamin B - Calciferol

D Vitamin A - Thiamine

Correct Answer

Option A

Solution

(a) Vitamin E = Tocopherol; Vitamin D = Calciferol; Vitamin B1 = Thiamine; Vitamin A = Retinol.

Q20

Which set is correct?

A Corpus callosum - Grafian follicle

B Sebum - Sweat

C Bundle of His - Pace maker

D Vitamin B7 - Niacin

Correct Answer

Option C

Solution

(c) Bundle of His is part of the conducting system of heart.

Corpus luteum is temporary endocrine tissue from ruptured Graafian follicle.