JAMB Biology Past Questions & Answers - Page 303

1,511.

Irish potato is a 

A.

bulb

B.

tap root

C.

rhizome

D.

root tuber

E.

stem tuber

Correct answer is E

No explanation has been provided for this answer.

1,512.

The gland directly affecting metabolic rate, growth, and development is known as

A.

adrenal land

B.

 thyroid gland

C.

mammary gland

D.

parathyroid gland

Correct answer is B

No explanation has been provided for this answer.

1,513.

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.

1,514.

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.

1,515.

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.