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.

4,081.

Which of the following is a sex-linked character?

A.

Sickle-cell anaemia

B.

Tongue rollling

C.

Skin colour

D.

Colour blindness

Correct answer is D

No explanation has been provided for this answer.

4,082.

If parents with blood groups AB and O produce six children

A.

three of them will have group B

B.

two of them will have group A

C.

all the offspring will have group O

D.

none of them will have group A

Correct answer is A

No explanation has been provided for this answer.

4,083.

Which of the following tissue are made up of dead cells? 

A.

Meristematic

B.

Xylem vessels

C.

Cambium

D.

Mesophyll

E.

Palisade

Correct answer is B

No explanation has been provided for this answer.

4,084.

when the two alleles present in an organism are of the same type, the genotype is described as

A.

heterozygous

B.

heterogamous

C.

homozygous

D.

homologous

Correct answer is C

No explanation has been provided for this answer.

4,085.

External ears of mammals consist of 

A.

pinna and tympanum

B.

pinna only

C.

auditory meatus only

D.

auditory meatus and pinna

E.

auditory meatus and tympanum

Correct answer is D

No explanation has been provided for this answer.