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.

1,311.

In the diagram, the population size of species II on the 20th day is

A.

100

B.

200

C.

300

D.

400

Correct answer is B

No explanation has been provided for this answer.

1,312.

If species i, ii, and iii in the diagram interact in a community, which of the following statement is true?

A.

the population of species ii is growing at a slow rate

B.

the population of species iii has reached its carrying capscity

C.

the population of species I has become extinct

D.

the population of species I is always

Correct answer is C

No explanation has been provided for this answer.

1,313.

In the diagram, the part labelled IV indicate that the yeast population has

A.

reached its maximum size

B.

reached senescence

C.

stopped metabolizing food

D.

started dying

Correct answer is A

No explanation has been provided for this answer.

1,314.

In the diagram, the part labelled I represents the

A.

stationary phase

B.

lag phase

C.

log phase

D.

steady phase

Correct answer is B

No explanation has been provided for this answer.

1,315.

In the diagram, the illustration is a typical example of a plant pollinated by

A.

wind

B.

man

C.

insects

D.

birds

Correct answer is A

No explanation has been provided for this answer.