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.

1,251.

Which process does NOT represent a form of reproduction in plants?

A.

binary fission

B.

budding

C.

conjugation

D.

regeneration

E.

vegetative propagation

Correct answer is A

No explanation has been provided for this answer.

1,252.

Which statement is NOT true of both meiosis and mitosis?

A.

aligning of chromosomes at equator

B.

disintegration of nuclear material

C.

formation of spindle apparatus

D.

halving the number of chromosomes

E.

thickening and shortening of chromosomes

Correct answer is D

No explanation has been provided for this answer.

1,253.

Mammals are said to be homoiothermic because their body temperature is

A.

always higher than that of their environment

B.

always lower than that of their environment

C.

always the same as that of their environment

D.

relatively constant irrespective of that of their environment

E.

remains at 37o C all the time

Correct answer is D

No explanation has been provided for this answer.

1,254.

What is NOT a supporting tissue in plant?

A.

collenchymas

B.

coracoid

C.

parenchyma

D.

sclerenchyma

E.

xylem

Correct answer is B

No explanation has been provided for this answer.

1,255.

Which statement about how all life started is NOT true according to current thinking on evolutionary trends?

A.

animals to plant life

B.

aquatic to terrestrial forms

C.

non-specialization to specialization in functions

D.

simple to complex forms

E.

unicellularity to multicellularity

Correct answer is A

No explanation has been provided for this answer.