CBSE Class 11 Biology Digestion and Absorption MCQs Set A

Question : Dark purplish gland lying on the left side of abdomen is called

a) spleen

b) liver

c) gall bladder

d) None of these

Answer : spleen

Question : Which of the following are water soluble vitamins?

a) A, D, K

b) A, D, E, K

c) B, C

d) None of these

Answer : A, D, K

Question : Jaundice is a disorder of

a) Digestive system

b) Excretory system

c) Skin and eyes

d) Circulatory system

Answer : Digestive system

Question : Which one of the following pairs of food components in humans reaches the stomach totally undigested ?

a) Fat and cellulose

b) Protein and starch

c) Starch and cellulose

d) Starch and fat

Answer : Fat and cellulose

Question : Which of following teeth are lophodont?

a) Premolar and molar

b) Premolar and incisor

c) Incisor and canine

d) Canine and premolar

Answer : Premolar and molar

Question : Oxyntic cells are located in

a) Gastric epithelium and secrete HCl

b) Kidneys and secrete renin

c) Gastric epithelium and secrete pepsin

d) Islets of Langerhans

Answer : Gastric epithelium and secrete HCl

Question : Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to

a) hypercholesterolemia

b) urine laden with ketone bodies

c) kidney stones

d) vitamin A toxicity

Answer : hypercholesterolemia

Question : Which one of the following is a matching pair of a substrate and its particular digestive enzyme?

a) Starch — maltase

b) Maltose — steapsin

c) Lactose — rennin

d) Casein — chymotrypsin

Answer : Starch — maltase

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

a) Niacin — pellagra

b) Calciferol — scurvy

c) Thiamine — xerophthalmia

d) Riboflavin — beri beri

Answer : Niacin — pellagra

Question : Which one of the following pairs of the cells with their secretion is correctly matched?

a) Oxyntic cells - A secretion with pH between 2.0 and 3.0.

b) Alpha cells of Islets of Langerhans -Secretion that decreases blood sugar level.

c) Kupffer cells - A digestive enzyme that hydrolysis nucleic acids.

d) None of these

Answer : Oxyntic cells - A secretion with pH between 2.0 and 3.0.

Question : "Kwashiorkar' and 'Beri-Beri' are

a) deficiency diseases

b) infectious diseases

c) communicable diseases

d) None of the above

Answer : Deficiency diseases

Question : First milk produced after child birth is called

a) colostrum

b) cerumen

c) true milk

d) sebum

Answer :  Colostrum

Question : Cirrhosis of liver is caused by the chronic intake of

a) Alcohol

b) Tobacco (Chewing)

c) Cocaine

d) Opium

Answer : Alcohol

Question : The sphincter of Oddi is present between

a) Hepatopancreatic duct and duodenum

b) Hepatic duct and cystic duct

c) Pyloric stomach and duodenum

d) Oesophagus and cardiac stomach

Answer : Hepatopancreatic duct and duodenum

Question : Layer of cells that secrete enamel of tooth is

a) Ameloblast

b) Dentoblast

c) Osteoblast

d) Odontoblast

Answer : Ameloblast

Question : Cow’s milk is slightly yellowish in colour due to the presence of

a) Riboflavin

b) Xanthophyll

c) Xanthophyll and Carotene

d) Carotene

Answer : Riboflavin

Question : Accessory excretory organs of man are

a) skin, lungs, liver and intestine

b) only skin and lungs

c) only skin and liver

d) only skin

Answer : skin, lungs, liver and intestine

Question : Cholecystokinin is secretion of

a) Duodenum that causes contraction of gall bladder

b) Globlet cells of ileum, stimulates secretion of succus entericus

c) Liver and controls secondary sex characters

d) Stomach that stimulates pancreas to release juice

Answer : Duodenum that causes contraction of gall bladder

Question : Both the crown and root of a tooth is covered by a layer of bony hard substance. It is called

a) dentine

b) cementum

c) enamel

d) bony socket

Answer : Dentine