MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers

MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Digestion and Absorption Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.


Q1. Which part of brain causes nausea?

(a) Pons
(b) Hypothalamus
(c) Parietal lobe
(d) Medulla

(d) Medulla


Q2. Correct enzyme-substrate pair is

(a) Maltose-lactase
(b) Protein-amylase
(c) Carbohydrate-lipase
(d) Casein-rennin

(d) Casein-rennin


Q3. Peyers patches found in the small intestine are

(a) Epithelial tissue
(b) Glandular tissue
(c) Lymphatic tissue
(d) Haemopoietic tissue

(c) Lymphatic tissue


Q4. During prolonged fasting, in what sequence are the following organic compounds used up by the body?

(a) First carbohydrates, next proteins and lastly lipids
(b) First carbohydrates, next fats and lastly proteins
(c) First fats, next carbohydrates and lastly proteins
(d) First proteins next lipids and lastly carbohydrates

(b) First carbohydrates, next fats and lastly proteins


Q5. In glycolysis ultimately

(a) starch is converted into glucose
(b) glucose is converted into fructose
(c) protein is converted into glucose
(d) glucose is converted into pyruric acid

(d) glucose is converted into pyruric acid


Q6. If for some reason our goblet cells are non-functional this will adversely affect

(a) Smooth movement of food down the intestine
(b) Production of somatostatin
(c) Secretion of sebum from the sebaceous glands
(d) Maturation of sperms

(a) Smooth movement of food down the intestine


Q7. The HCl in gastric juice converts:

(a) Disaccharide to monosaccharide
(b) Pepsinogen to pepsin
(c) Prorennin to rennin
(d) Polypeptide to peptide

(b) Pepsinogen to pepsin


Q8. Which enzyme is used in alcoholic fermentation of yeast?

(a) Maltase
(b) Invertase
(c) Sucrase
(d) Zymase

(d) Zymase


Q9. Assimilation means

(a) utilising the water taken by body
(b) accumulating the food for digestion
(c) utilisation of absorbed substances
(d) collecting wastes left after the absorption of required nutrients

(c) utilisation of absorbed substances


Q10. The pH scale is used to measure

(a) Electric charge on ion
(b) Speed with which ions form
(c) Size of ions
(d) Concentration of hydrogen ions in a solution

(d) Concentration of hydrogen ions in a solution


Q11. Which of the following part of human intestine hosts microorganisms?

(a) Colon
(b) Caecum
(c) Anus
(d) Rectum

(b) Caecum


Q12. Duct leading from parotid gland and opening into vestibule is

(a) Wolffian duct
(b) Stensons duct
(c) Haversian duct
(d) Infra-orbit duct

(b) Stensons duct


Q13. Which organ is most affected by jaundice?

(a) Pancreas
(b) Liver
(c) Stomach
(d) Intestine

(b) Liver


Q14. Globet cells of intestinal mucosal epithelium secrete

(a) mucus
(b) cholesterol
(c) peptones
(d) bilirubin

(a) mucus


Q15. Emulsification of fat takes place through

(a) Liver enzymes
(b) Bile pigments
(c) Bile salts
(d) Enzymes of small intestine

(c) Bile salts


Q16. Epithelial cells of the intestine involved in food absorption have on their surface

(a) phagocytic vesicles
(b) pinocytic vesicles
(c) microvilli
(d) zymogen granules

(c) microvilli


Q17. Carrier ions like Na+ facilitate the absorption of substances like

(a) Fructose and some amino acids
(b) Amino acids and glucose
(c) Glucose and fatty acids
(d) Fatty acids and glycerol

(a) Fructose and some amino acids


Q18. Carboxypeptidase is secreted by

(A) Pancreas
(B) Stomach
(C) Salivary glands
(D) Intestine

(a)Pancreas


Q19. Secretin and Cholecystokinin are digestive hormone, They are Secreted in

(A) Pyloric stomach
(B) Duodenum
(C) Ileum
(D) Oesophagus

(B) Duodenum


Q20. Crown of teeth is covered by

(A) Dentin
(B) Enamel
(C) A and B both
(D) Non of these

(B) Enamel


Q21. Both the crown abd root of a theeth is covered by a layer of bony hard sub stance called

(A) Enamel
(B) Dentin
(C) Bony socket
(D) Cementum

(A) Enamel


Q22. Lysozymes are found in

(A) Saliva
(B) Tears
(C) A and B both
(D) Mitochondria

(C) A and B both


Q23. Which of the following is not present in pancreatic juice

(A) Trypsinogen
(B) Chymotrypsin
(C) Parasitic
(D) lipase

(A) Trypsinogen


MCQ Questions for Class 11 Biology with Answers Chapter Wise


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