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.

331.

The diagrams below are illustrations of different sections of a particular fruit. Study them and answer the question.

The fruit that has the illustrated sections is a

A.

hesperidium

B.

capsule

C.

drupe

D.

cypsela

Correct answer is A

No explanation has been provided for this answer.

332.

The diagrams below are illustrations of different sections of a particular fruit. Study them and answer the question.

The sections in X and Y respectively, are

A.

longitudinal and transverse

B.

transverse and longitudinal

C.

cross and transverse

D.

transverse and cross

Correct answer is B

No explanation has been provided for this answer.

333.

Which of the following organelles is common to both plant and animal cells?

A.

Cellulose cell wall

B.

Chlorophyll

C.

Cell membrane

D.

Large vacuole

Correct answer is C

No explanation has been provided for this answer.

334.

Blood circulation in a mammal is said to be double because

A.

it passes twice through the heart in a complete circuit

B.

it moves in both arteries and veins

C.

it circulates both the heart and other organs

D.

the heart contains auricles and ventricles

Correct answer is A

It is called a double circulatory system because blood passes through the heart twice per circuit.

335.

If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

A.

½

B.

¼

C.

1

D.

¾

Correct answer is A

No explanation has been provided for this answer.