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

Digestion and Absorption Class 11 Biology MCQs Questions 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.

Class 11 Biology Chapter 16 Quiz

Class 11 Biology Chapter 16 MCQ Online Test

You can refer to NCERT Solutions for Class 11 Biology Chapter 16 Digestion and Absorption to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Digestion and Absorption Class 11 Biology MCQ online test

Q1.	Which part of brain causes nausea?
	A.Pons
	B.Hypothalamus
	C.Parietal lobe
	D.Medulla

Ans: Medulla
Explanation:
Vomiting is the ejection of stomach contents through mouth.
This is the reflex action which is controlled by medulla.
A feeling of nausea preceds vomiting.

Q2.	Correct enzyme-substrate pair is
	A.Maltose-lactase
	B.Protein-amylase
	C.Carbohydrate-lipase
	D.Casein-rennin

Ans: Casein-rennin

Q3.	Peyers patches found in the small intestine are
	A.Epithelial tissue
	B.Glandular tissue
	C.Lymphatic tissue
	D.Haemopoietic tissue

Ans: 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

Ans: 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

Ans: 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

Ans: 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

Ans: Pepsinogen to pepsin

Q8.	Which enzyme is used in alcoholic fermentation of yeast?
	A.Maltase
	B.Invertase
	C.Sucrase
	D.Zymase

Ans: 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

Ans: utilisation of absorbed substances
Explanation:
The absorbed substances finally reach the tissues which utilise them for their activities. This process is called assimilation.

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

Ans: 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

Ans: Caecum
Explanation:
Caecum is a small blind sac which hosts some microorganisms.

Q12.	Duct leading from parotid gland and opening into vestibule is
	A.Wolffian duct
	B.Stensons duct
	C.Haversian duct
	D.Infra-orbit duct

Ans: Stensons duct

Q13.	Which organ is most affected by jaundice?
	A.Pancreas
	B.Liver
	C.Stomach
	D.Intestine

Ans: Liver
Explanation:
Jaundice affects liver. Skin and eyes turn yellow due to the deposition of bile pigments.

Q14.	Globet cells of intestinal mucosal epithelium secrete
	A.mucus
	B.cholesterol
	C.peptones
	D.bilirubin

Ans: mucus
Explanation:
Intestinal mucosal epithelium has globet cells which secrete mucus.

Q15.	Emulsification of fat takes place through
	A.Liver enzymes
	B.Bile pigments
	C.Bile salts
	D.Enzymes of small intestine

Ans: 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

Ans: 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