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.

4,251.

The part of the mammalian brain responsible for maintaining balance is

A.

Medulla oblongata

B.

Cerebellum

C.

Optic lobe

D.

Cerebrum

E.

Olfactory lobe

Correct answer is B

No explanation has been provided for this answer.

4,252.

In which of these association is much harm done to one of the partners?

A.

Symbiosis

B.

Epiphytism

C.

Commensalism

D.

Parasitism

E.

Mutualism

Correct answer is D

No explanation has been provided for this answer.

4,253.

which of these diseases cannot be controlled by killing the vector?

A.

River blindness

B.

Malaria

C.

Polio

D.

Cholera

E.

Bilharzia (shistosoma)

Correct answer is C

No explanation has been provided for this answer.

4,254.

When the ciliary muscles of the eye contract, the eye lens

A.

Bulge

B.

Contracts

C.

Rotates

D.

Flattens

E.

Is rounded

Correct answer is E

No explanation has been provided for this answer.

4,255.

Which of the following is not an excretory organ in animals?

A.

Lungs

B.

Kidney

C.

Leaf

D.

Large intestine

E.

 Skin

Correct answer is C

Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.