Question # 1

James Watson and Francis Crick proposed the structure of DNA in.

1953

1963

1933

1922

The group includes mescaline and psilocin:

Sedatives

Narcotics

Hallucinogens

Vaccines

The consumersthat eat animal flesh as well as plants and plant products are called:

Herbivors

Carnivores

Omnivores

Insectivores

A muscle which contract and straightens the joints called;

Flexor

Receptor

Exrensor

Effector

____________ hydrogen bonds are present between cytosine and guanine:

2

3

4

5

The skeleton found outside the body is called:

Endoskeleton

Exoskeleton

Hydroskeleton

Fibroskeleton

Biology Life Science Test Easy Mode MCQs With Answers