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.

2,836.

Which of the following structures differentiates an animal cell from a plant cell?

A.

Ribosomes

B.

Cell membrane

C.

Chloroplast

D.

Mitochondrion

E.

Lysosome

Correct answer is C

No explanation has been provided for this answer.

2,837.

The structure in the cell that controls the movement of substances in and out of the cell is the

A.

cytoplasmic membrane

B.

nuclear membrane

C.

cytoplasm

D.

protoplasm

E.

endoplasm

Correct answer is A

No explanation has been provided for this answer.

2,838.

Most of the energy in the cell is produced in the

A.

mitochondrion

B.

lysosome

C.

plastid

D.

Golgi apparatus

E.

cytoplasm

Correct answer is A

No explanation has been provided for this answer.

2,839.

When gametes from pure breed parents with contrasting features such as tallness and shortness are
involved in a monohybrid cross, the offsprings in the first filial generation are usually

A.

pure breed

B.

heterozygous dominant

C.

homozygous recessive

D.

mutants

E.

co-dominant

Correct answer is B

No explanation has been provided for this answer.

2,840.

Thrombocytes are blood cells responsible for initiating

A.

phagocytosis of bacteria

B.

ribosome synthesis

C.

blood clotting

D.

immunity to certain infectious diseases

E.

removal of carbondioxide from tissues

Correct answer is C

No explanation has been provided for this answer.