JAMB Biology Past Questions & Answers - Page 179

891.

The female gamete is represented by

A.

I

B.

II

C.

III

D.

IV

Correct answer is C

No explanation has been provided for this answer.

892.

The function of the part labelled V is for the passage of

A.

pollen tube and pollen nucleus

B.

air, water and pollen nucleus

C.

air, antipodal cells and ovum

D.

synergids and egg cell

Correct answer is A

No explanation has been provided for this answer.

893.

Which organism in the food-web illustrated above is an omnivore?

A.

Weevils

B.

Rat

C.

Hawk

D.

Prayer mantis

Correct answer is B

No explanation has been provided for this answer.

894.


The homozygous condition HbsHbsresults in sickle cell anaemia whereas HbAHbs has the sickling trait. What is the probability that a couple with the sickling trait will give birth to one normal child?

A.

1/2

B.

1/4

C.

1/8

D.

none

Correct answer is B

No explanation has been provided for this answer.

895.

The ovary represented is 

A.

half-superior

B.

inferior

C.

superior

D.

half-inferior

Correct answer is B

No explanation has been provided for this answer.