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.

1,206.

Which of the following is not a pest of crops?

A.

Bird

B.

Rodent

C.

Bed bug

D.

Grasshopper

Correct answer is C

Bed bugs do not affect plants. They only affect animals.

1,207.

Snails belong to the phylum?

A.

Annelida

B.

Mollusca

C.

Echinodermata

D.

nematoda

Correct answer is B

The class Gastropoda (in Phylum Mollusca) includes the groups containing snails and slugs.

1,208.

The basic functional unit of the kidney is the

A.

nephron

B.

bowman’s capsule

C.

glomerulus

D.

loop of henle

Correct answer is A

The nephron is the part of the kidney that performs osmoregulation in humans i.e. the nephron takes care of the formation of urine.

1,209.

The following exist as free-living organisms except

A.

Amoeba

B.

Chlamydomonas

C.

Euglena

D.

Spirogyra

Correct answer is D

Spirogyra exist as filaments that occur in rows or chains.

1,210.

The process by which organisms keep their internal condition relatively stable is called

A.

metabolism

B.

evolution

C.

gametogenesis

D.

homeostasis

Correct answer is D

Homeostasis is any self-regulating process biological systems use to maintain stability while adjusting to conditions that are optimal for survival.