Biology Mcqs Practice Test

Question 1

A single heart beat involves ________ stages.

Accepted Answer

C. 3

Question 2

There are about _________ muscles in human beings.

Accepted Answer

C. 650

Question 3

Most abundant muscles in human beings?

Accepted Answer

A. Skeletal Muscles

Question 4

Link between living and non-living organisms?

Accepted Answer

B. Virus

Question 5

Father of genetics?

Accepted Answer

D. Mendal

Question 6

Morgan studied how many traits of Drosophila?

Accepted Answer

C. 85

Question 7

Human skin colour is _________?

Accepted Answer

C. Polygenic

Question 8

Mendal studied _________ traits of pisum sativum?

Accepted Answer

B. Seven

Question 9

AIDS is caused by ________ virus?

Accepted Answer

B. HIV

Question 10

HIV is a ________ virus?

Accepted Answer

A. SsRNA

Question 11

PH of fresh Saliva?

Accepted Answer

C. 8

Question 12

Terrestrial plants carry out ________ of total photosynthesis on the earth?

Accepted Answer

A. 10%

Question 13

_________ stimulates the production of gastric juice in the stomach:

Accepted Answer

A. Gastrin

Question 14

One of the reasons why some people cough while eating a meal may be due to the improper movement of _______ :

Accepted Answer

C. Epiglottis

Question 15

The small intestine has three parts. The first part is called________?

Accepted Answer

A. Duodenum

Question 16

Which of the following cell organelles does not contain DNA?

Accepted Answer

B. Lysosomes

Question 17

Which of the following cell organelles is absent in animal cells and present in a plant cell?

Accepted Answer

A. Cell wall

Question 18

Prokaryotes don’t have:________?

Accepted Answer

B. Nucleus

Question 19

Blood vessels which carry deoxygenated blood are called__________?

Accepted Answer

B. Veins

Question 20

Amylase becomes denatured at an alkaline pH of:__________?

Accepted Answer

D. 9