Jamb Biology 2022 Past Questions and Answers

Question 21:

• JAMB 2022

One of the functions of water in seed germination is to?

A. Dilute the embryo
B. Make the soil wet and soft
C. Activate the enzymes
D. Promote aerobic respiration

Question 22:

• JAMB 2022

sources of air pollutants are?

A. Industrial chimneys, burning fossil oils and river dams
B. Sulphurdioxide, acid rain and pesticides
C. Sulphur dioxide, vehicle exhausts, and aerosols
D. Sewage,smoke and old vehicles

Question 23:

• JAMB 2022

The body of a snail is divided into head?

A. Thorax and abdomen
B. Visceral mass and abdomen
C. Thorax and foot
D. Visceral mass and foot

Question 24:

• JAMB 2022

An adaptation for defense in animals is?

A. Croaking of a male toad
B. Basking in lizard
C. Spines in porcupine fish
D. Huddling together of penguins

Question 25:

• JAMB 2022

The movement of Euglena towards the source of light is a?

A. Tropic movement
B. Tactic movement
C. Nastic movement
D. Kinetic movement