JAMB Biology Past Questions & Answers - Page 302

1,506.

For pollen to be released in Crotalaria the insect must depress the

A.

wing

B.

keel

C.

standard

D.

antepetalous stamen

E.

antesepalous stamen

Correct answer is B

No explanation has been provided for this answer.

1,507.

If a flower is protandrous then it

A.

must be unisexual

B.

has an undeveloped androecium

C.

has no androecium

D.

must be insect-pollinated

E.

can prevent self pollination

Correct answer is E

No explanation has been provided for this answer.

1,508.

The maize grain is a fruit and not a seed because it

A.

has a large endosperm

B.

is formed from an ovary

C.

is a monocotyledon

D.

has no plumule and radicle

E.

has a hypogeal germination

Correct answer is B

No explanation has been provided for this answer.

1,509.

The process of walking is under the control of the part of the brain called

A.

optic lobe

B.

olfactory lobe

C.

cerebellum

D.

medulla oblongata

Correct answer is C

No explanation has been provided for this answer.

1,510.

Biological growth refers strictly to an increase in the

A.

protoplasm of an organism

B.

number of organisms

C.

size of an organism

D.

development of form

Correct answer is A

No explanation has been provided for this answer.