Biology MCQs

Question 1

Man has ________ pairs of salivary glands.

Accepted Answer

3

Answer

4

Answer

6

Answer

8

Question 2

All enzymes are

Accepted Answer

Proteins

Answer

Alkaloids

Answer

Carbohydrates

Answer

Lipids

Question 3

Which one of the following is the correct sequence in the order of decreasing length of the structural parts given below of small intestine in the human body?

Accepted Answer

Ileum-Jejunum-Duodenum

Answer

Jejunum-Duodenum-Jejunum

Answer

Ileum-Duodenum-Jejunum

Answer

Jejunum-Ileum-Duodenum

Question 4

How many teeth in man comes out twice?

Accepted Answer

20

Answer

4

Answer

12

Answer

28

Question 5

Appetite is triggered by

Accepted Answer

Environmental cues such as the smell or taste of food

Answer

Stomach enzymes

Answer

Pancreatic enzymes

Answer

Physiological drive

Question 6

Where are the taste receptors located?

Accepted Answer

All of the above

Answer

Epiglottis

Answer

Upper esophagus

Answer

Tip of the tongue

Question 7

Assertion (A): In human body liver has an important role in fat digestion.Reason (R) : Liver produces two important fat digesting enzymes.Codes

Accepted Answer

A is true R is false

Answer

Both A and R are individually true and R is the correct explanation of A

Answer

Both A and R are individually true, but R is not the correct explanation of A

Answer

A is false but R is true

Question 8

Fat is completely digested in the

Accepted Answer

Small intestine

Answer

Mouth

Answer

Large intestine

Answer

Stomach

Question 9

Bile produced by

Accepted Answer

Liver

Answer

Stomach

Answer

Pancrease

Answer

Dudeneum