Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

811.

A dehiscent fruit formed from several fused carpels with man seeds is classified as a/an

A.

achene

B.

capsule

C.

caryopsis

D.

follicle

E.

legume

Correct answer is B

No explanation has been provided for this answer.

812.

Liver destroys old red blood cells to produce digestive substance called

A.

amalyse

B.

bile

C.

insulin

D.

lipase

E.

rennin

Correct answer is B

No explanation has been provided for this answer.

813.

What will the phenotypic ratio when a tall pea plant (TT) is crossed with a short pea plant (Tt)?

A.

0:04

B.

1:03

C.

2:02

D.

3:01

E.

4:00

Correct answer is E

The phenotypic ratio will be two homozygous tall and two heterozygous tall...

That implies that all four offsprings will come out tall.

814.

Loamy soil - is used for crop production because of its

A.

high humus content

B.

high percentage of clay

C.

high porosity

D.

low gravel content

E.

low humus content

Correct answer is A

No explanation has been provided for this answer.

815.

Which of these is a courtship behavior in toad?

A.

Display of body parts

B.

Display of color

C.

Pairing

D.

Production of scent

E.

Territoriality

Correct answer is C

No explanation has been provided for this answer.