11th biology MCQs test-7 for neet-CBSE-JAC exams

Class 11th biology MCQs test-7 for Neet-CBSE-JAC exams

■lesson animal nutrition and human digestive glands and physiology of digestion Class 11th biology MCQs test-7 for Neet- CBSE-JAC exams

■subtopics:- animal nutrition and human digestive glands and physiology of digestion with example and Class 11th biology MCQs test-7 in for Neet-CBSE-JAC exams

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Class 11th biology MCQs test-7 for Neet -CBSE-JAC exams human digestive glands and physiology of digestion

Important MCQ in biology

1) which enzyme responsible for digestion of carbohydrates

A) salivary amylase
B) pepsin
C) trypsin
D) lipase

Ans. A

2) in presence of salivary amylase starch and glycogen convert into which of the following

A) maltose isomaltose and Dextrin
B) maltose sucrose lactose
C) glucose fructose galactose
D) sucrose glucose fructose

Ans. A

3) pancreatic amylase is secreted by which glands

A) gastric glands
B) liver
C) pancrease
D) intestinal glands

Ans. C

4) which glands does not secrets carbohydrate digestive enzyme

A) salivary glands
B) intestinal glands
C) pancreas
D) gastric glands

Ans. D

5) pancreatic amylase is responsible for digestion of which food component

A) starch and glycogen
B) maltose and isomaltose
C) dextrin
D) lactose

Ans. A

6) which enzyme converts maltose into glucose

A) salivary amylase
B) lactase
C) maltase
D) sucrase

Ans. C

7) which enzyme converts sucrose into glucose and fructose

A) salivary amylase
B) lactase
C) maltase
D) sucrase

Ans. D

8) which enzyme break the double sugar isomaltose to single sugar glucose

A) isomaltase
B) lactase
C) maltase
D) sucrase

Ans. A

9) which enzyme converts Dextrin molecules into single sugar glucose

A) isomaltase
B) dextrinase
C) maltase
D) sucrase

Ans. B

10) which enzyme hydrolyzes the double sugar lactose into single sugar glucose and galactose

A) isomaltase
B) lactase
C) maltase
D) sucrase

Ans. B

11) which is the digesting enzyme of cellulose

A) isomaltase
B) lactase
C) maltase
D) cellulase

Ans. D

12) which enzyme is not present in human body

A) isomaltase
B) lactase
C) maltase
D) cellulase

Ans. D

13) coprophagy condition is found in

A) cow
B) human beings
C)rabbit
D)termite

Ans. C

14) which one of the symbiotic organism present in termites for the digestion

A) zoocholera
B) cyanobacteria
C) Trichonympha
D) none

Ans. C

15) protein digesting enzyme is which of the following

A) protease
B) lipase
C) amylase
D) none

Ans. A

16) which kills the bacteria in stomach

A) HCl
B) lipase
C) protease
D) none

Ans. A

17) proenzyme pepsinogen is changed into active enzyme pepsin for the digestion of protein by the presence of

A) HCl
B) lipase
C) protease
D) none

Ans. A

18) the active enzyme pepsin breaks the proteins molecule into which smaller molecules

A) proteoses and peptones
B) amino acid
C) glucose
D) glycerol and fatty acid

Ans. A

19) which protein is present in milk

A) rennin
B) pepsin
C) Casein
D) none

Ans. D

20) which is milk protein digesting enzyme

A) rennin
B) pepsin
C) Casein
D) none

Ans. A

21) non-digestive enzyme present in intestine juice is

A) HCl
B) rennin
C) pepsin
D) enterokinase

Ans. D

22) the proenzyme trypsinogen change into active enzyme trypsin by presence of

A) HCl
B) rennin
C) pepsin
D) enterokinase

Ans. D

23) the proenzyme chymotrypsinogen change into active enzyme chymotrypsin by presence of

A) HCl
B) rennin
C) Trypsin
D) enterokinase

Ans. C

24) the proenzyme procarboxypeptidase change into active enzyme carboxypeptidase by presence of

A) HCl
B) rennin
C) Trypsin
D) enterokinase

Ans. C

25) intestine juices contain which type of proteases enzyme

A.) Enteropeptidase
B) aminopeptidase
C) dipeptidase
D) all

Ans. D

26) the process of fats molecules breaks down into droplets of molecules by bile salt is known as

A) emulsification
B) fractional distillation
C) distillation
D) none

Ans. A

27) digestion of 1 fats molecules produce

A) 1 glycerol + 3 molecules of fatty acid
B) 2 glycerol + 2 molecules of fatty acid
C) 3 glycerol + 2 molecules of fatty acid
D) 1 glycerol + 2 molecules of fatty acid

Ans. A

28) fats molecule is

A) diaglyceride
B) mono glyceride
C) triglyceride
D) poly glyceride

Ans. C

29) which of following is nuclic acid digestive enzyme

A) nucleases
B) nucleotidase
C) nucleosidase
D) all

Ans. D

30) which enzyme digest the DNA molecules and change into deoxyribonucleotide

A) DNAse
B) RNAse
C) nucleotidase
D) nucleosidase

Ans. A