Digestion And Absorption Test

Digestion And Absorption

This is Digestion And Absorption Test-03 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

In the Enteric nervous system : i. neurons of Myentric plexus regulates glandular secretions in GI tract. ii. neurons of Meissner’s plexus regulates peristaltic waves.

A
both are correct
B
both are wrong
Correct
C
Statement ii) is correct and i) is wrong
D
Statement ii) is wrong and i) is correct

Every cell contains DNA and when we consume plant /animal material , the DNA which reaches our digestive tract is digested by :

A
enzymes present in pancreatic juice and gastric juice
B
enzymes present in pancreatic juice and succus entericus
Correct
C
enzymes present in bile juice and gastric juice
D
enzymes present in bile juice and succusentericus

The process by which small electrolytes are absorbed

A
Simple diffusion
Correct
B
Facilitated transport
C
Passive transport
D
Active transport

That part of alimentary canal which is responsible for absorption of water, simple sugarsand alcohol :

A
Large intestine
B
Stomach
Correct
C
Small intestine
D
Mouth

Select which one is correctly matched pair :

A
Amino acids – transported by simple diffusion that doesn’t need energy
B
Glucose – absorbed by passive transport that doesn’t need energy
C
Galactose – absorbed by active transport that doesn’t need energy
D
Fructose – transported by facilitated diffusion that doesn’t need energy
Correct

Absorption of food takes place in stomach as well as intestine but villi are present in intestine only because :

A
food is converted into absorbable form within intestine
Correct
B
stomach is already provided with microvilli
C
intestine receives better blood supply than other parts of alimentary canal
D
both A & B are correct

Absorption of fats takes place through :

A
lymphatic ducts
Correct
B
intestinal mucosa
C
intestinal villi
D
blood capillaries

All are digestive glands except :

A
Liver
B
Thyroid gland
Correct
C
Pancreas
D
Salivary gland

Trans fats : i. they are found in most processed and fast foods for eg. French fries. ii. they help food stay fresh for long time. iii. they are much better type of fat than the saturated fats.

A
onlyi) and ii) are correct.
Correct
B
onlyi) is the correct statement.
C
onlyi) and iii) are correct.
D
all are correct.

Read the following statements : i. In ruminants cellulose digesting bacteria are present in digestive system. ii. Such digestion by microbial activity is called antagonistic digestion. iii. Camels and deers are ruminants lacking omasum chamber.

A
only statement i) is correct.
B
all statements are correct.
C
statementi) and ii) are correct.
D
statementi) and iii) are correct.
Correct

If an imaginary food contains 5 grams of protein, 4 grams of fat and 10 grams of carbohydrates. Now calculate total calories it would provide ( given 1g protein=4 calories, 1g fat = 10 calories, 1g carbohydrates = 4 calories ) :

A
100 calories
Correct
B
90 calories
C
96 calories
D
50 calories

Correct sequence of layers in gut wall from inside to outside is :

A
Mucosa → Muscularis → Submucosa → Serosa
B
Submucosa →Mucosa → Muscularis → Serosa
C
Muscularis →Mucosa → Submucosa → Serosa
D
Mucosa → Submucosa → Muscularis → Serosa
Correct

The reflex action of vomiting is controlled by

A
Pons varoli
B
Medulla
Correct
C
Cerebrum
D
Cerebellum

Which digestive disorder reduces the absorption of food?

A
Diarrhoea
Correct
B
Vomitting
C
Indigestion
D
Constipation

Which is a mismatched pair :

A
Jaundice – deposition of bile pigments
B
Diarrhoea – less enzyme secretion
Correct
C
Vomiting – antiperistalsis
D
Indigestion – food poisoning