Zoology Objective Questions and Answers

1. The release of which one of the following into ponds and wells helps in controlling the mosquitoes?

A. Gambusia Fish

B. Crab

C. Snail

D. Dog Fish

Click for Answer/Explanation

Correct Answer is A

Gambusia affinis is larvivorous, which controls the mosquitoes by eating mosquito larvae, insects and crustaceans.

2. Which of the following is not a digestive enzyme in the human system?

A. Gastrin

B. Ptyalin

C. Trypsin

D. Pepsin

Click for Answer/Explanation

Correct Answer is A

3. Which among the following is not a good source of nutritional calcium?

A. Ragi

B. Rice

C. Skimmed Milk

D. Egg

Click for Answer/Explanation

Correct Answer is A

4. The normal temperature of human in the Kelvin scale is-

A. 237

B. 286

C. 310

D. 313

Click for Answer/Explanation

Correct Answer is A

In degree celsius, it is 37. So 273+37 = 310

5. Which one of the following is a membrane that protects the developing embryo from desiccation?

A. Chorion

B. Amnion

C. Allantois

D. Yolk Sac

Click for Answer/Explanation

Correct Answer is B

Amnion protects by a fluid-filled space called an amniotic cavity.

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