MCQs For NCERT Class 11 Biology Chapter 16 Digestion and Absorption

Please refer to the MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers. The following Digestion and Absorption Class 11 Biology MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 11. Our experts have designed MCQ Questions for Class 11 Biology with Answers for all chapters in your NCERT Class 11 Biology book.

Digestion and Absorption Class 11 MCQ Questions with Answers

See below Digestion and Absorption Class 11 Biology MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Peptic cells secrete
(a) Mucus
(b) Pepsinogen
(c) HCL and intrinsic factor
(d) None of these

Question. Proenzyme pepsinogen on exposure to hydrochloric acid converts into
(a) Pepsin
(b) Rennin
(c) Insulin
(d) None of these

Question. _____ proteolytic enzyme found in gastric juice of infants help in digestion of milk proteins
(a) Pepsin
(b) Rennin
(c) Insulin
(d) Lipases

Question. Trypsinogen is activated by
(a) Trypsin
(b) Enterokinase
(c) Chymotrypsinogen
(d) Amylases

Question. Which of the following is not the constituent of bile
(a) Bile salts
(b) Cholesterol
(c) Phospholipids
(d) Enzymes

Question. Submucosal glands are known as
(a) Brunners gland
(b) Glisson’s capsule
(c) Crypts of biberkhun
(d) Lacteals

Question. Polysacchrides are converted into disaccharides by the action of
(a) Amylases
(b) Lipases
(c) Nucleases
(d) Trypsin

Question. The undigested and unabsorbed substances are passed on to _____ from small intestine
(a) Large intestine
(b) Small intestine
(c) Stomach
(d) Rectum

Question. Which of the following is not a GIT disorder
(a) Vomiting
(b) Diarrhoea
(c) constipation
(d) asthma

Question. Absorption is carried out by ____ type of diffusion
(a) passive
(b) active
(c) faciliated
(d) all of these

Question. Digestive glands include
(a) Liver
(b) Pancreas
(c) Salivary gland
(d) All of these

Question. Normal Weight of liver is
(a) 1.2-1.5 Kg
(b) 1 Kg – 2 Kg
(c) 3-5 Kg
(d) 1.5-2 Kg

Question. _____ arranged in form of cords in hepatic lobules
(a) Hepatic cells
(b) Neuron
(c) Nephron
(d) Hepatic lobules

Question. Bile is stored in
(a) Liver
(b) Gall bladder
(c) Kidney
(d) Cystic duct

Question. Hepato-pancreatic duct is guarded by sphincter called
(a) Cardiac sphincter
(b) Pyloric
(c) Valve
(d) Sphincter of oddi

Question. Endocrine part of pancreas secrete
(a) Alkaline pancreatic juice
(b) Neutral pancreatic juice
(c) Hormones – insulin and glucagon
(d) Succus entericus

Question. Waves of muscular contractions by which food passes down further are called
(a) Deglutition
(b) Indigestion
(c) Peristalsis
(d) Labor

Question. Saliva secreted into the oral cavity contains
(a) Electrolytes
(b) Enzymes and salivary amylase
(c) Lyzozyme
(d) All of these

Question. pH of saliva is
(a) 7
(b) 10
(c) 11
(d) 6.8

Question. Mucus neck cells secrete
(a) Mucus
(b) Pepsinogen
(c) HCL and intrinsic factor
(d) None of these

Question. Calcium deficiency in the body occurs in the absence of   
(a) vitamin C
(b) vitamin D
(c) vitamin B
(d) vitamin E.

Question. Which one of the following pairs of food components in humans reaches the stomach totally undigested ? 
(a) Starch and fat
(b) Fat and cellulose
(c) Starch and cellulose
(d) Protein and starch

Question. What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? 
(a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
(b) Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin.
(c) Gastric juice will be deficient in chymosin.
(d) Gastric juice will be deficient in pepsinogen.

Question. Fructose is absorbed into the blood through mucosa cells of intestine by the process called   
(a) active transport
(b) facilitated transport
(c) simple diffusion
(d) co-transport mechanism.

Question. Carrier ions like Na⁺ facilitate the absorption of substances like 
(a) amino acids and glucose
(b) glucose and fatty acids
(c) fatty acids and glycerol
(d) fructose and some amino acids.

Question. A young infant may be feeding entirely on mother’s milk which is white in colour but the stools which the infant passes out is quite yellowish. What is this yellow colour due to? 
(a) Bile pigments passed through bile juice
(b) Undigested milk protein casein
(c) Pancreatic juice poured into duodenum
(d) Intestinal juice

Question. Which one of the following pairs is not correctly matched ?
(a) Vitamin C – Scurvy
(b) Vitamin B2 – Pellagra
(c) Vitamin B12 – Pernicious anaemia
(d) Vitamin B6 – Beri-beri

Question. Which one of the following statements is true regarding digestion and absorption of food in humans?   
(a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+.
(b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
(c) About 60% of starch is hydrolysed by salivary amylase in our mouth.
(d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Question. Epithelial cells of the intestine involved in food absorption have on their surface 
(a) pinocytic vesicles
(b) microvilli
(c) zymogen granules
(d) phagocytic vesicles. 

Question. During prolonged fastings, in what sequence are the following organic compounds used up by the body ?   
(a) First carbohydrates, next fats and lastly proteins
(b) First fats, next carbohydrates and lastly proteins
(c) First carbohydrates, next proteins and lastlylipids
(d) First proteins, next lipids and lastly carbohydrates

Question. Anxiety and eating spicy food together in an otherwise normal human, may lead to 
(a) indigestion
(b) jaundice
(c) diarrhoea
(d) vomiting.

Question. A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from 
(a) scurvy
(b) kwashiorkor
(c) rickets
(d) anaemia.

Question. Which one of the following is correctly matched?   
(a) Vitamin E – Tocopherol
(b) Vitamin D – Riboflavin
(c) Vitamin B – Calciferol
(d) Vitamin A – Thiamine

Question. Which food should be eaten during deficiency of rhodopsin in eyes? 
(a) Carrot and ripe papayas
(b) Guava, banana
(c) Mango and potato
(d) None of the above

Question. To which of the following families do folic acid and pantothenic acid belong? 
(a) Vitamin C
(b) Vitamin B complex
(c) Vitamin K
(d) Vitamin A

Question. Which of the following is mismatched?   
(a) Vitamin A – Xerophthalmia
(b) Vitamin D – Rickets
(c) Vitamin K – Beri-beri
(d) Vitamin C – Scurvy

Question. Which one of the following is a protein deficiency disease?   
(a) Kwashiorkor
(b) Night blindness
(c) Eczema
(d) Cirrhosis

Question. Pellagra disease is caused by the deficiency of 
(a) niacin
(b) tocopherol
(c) riboflavin
(d) folic acid.

Question. High cholesterol patients are advised to use   
(a) ghee, butter and oils
(b) groundnut oil, margarine and vegetable oils
(c) fatty oil and butter
(d) cheese, dalda and ghee.

Question. The haemorrhagic disease of new born is caused due to the deficiency of   
(a) vitamin K
(b) vitamin B12
(c) vitamin A
(d) vitamin B1.

Question. Prolonged deficiency of nicotinic acid causes   
(a) pellagra
(b) xerophthalmia
(c) osteomalacia
(d) anaemia.

Question. Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability?   
(a) Thiamine – Beri-beri
(b) Protein – Kwashiorkor
(c) Nicotinamide – Pellagra
(d) Iodine – Goitre

Question. Jaundice is a disorder of 
(a) excretory system
(b) skin and eyes
(c) digestive system
(d) circulatoy system.

Question. Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. 
Supplementing his diet with which of the following is likely to alleviate his symptoms?
(a) Iron compounds
(b) Thiamine
(c) Folic acid and cobalamine
(d) Riboflavin