JAMB Biology Past Questions & Answers - Page 340

1,696.

A flowering plant is monoecious if

A.

The androecium is found on one plant

B.

The gynoecium is monocarpous

C.

It produce essential organ

D.

The gynoecium and androecium are on the same plant

E.

The flowers are unisexual

Correct answer is D

No explanation has been provided for this answer.

1,697.

Which of the following statements is NOT true of the piliferous layer of root? It

A.

Has a very thin cuticle

B.

Is the outermost layer of the cortex

C.

May bear root hairs

D.

Breaks down as the root ages

E.

Is replaced by cork in old roots

Correct answer is A

No explanation has been provided for this answer.

1,698.

Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?

A.

Caudal

B.

Thoracic

C.

Lumber

D.

Cervical

E.

Sacral

Correct answer is D

No explanation has been provided for this answer.

1,699.

Which of the following correctly summarizes the life cycle of the fern plant?

A.

Spore → prothallus → thallus → sporangium

B.

Male and female gamentangia → zygospores → sporangium → spores

C.

Spore → thallus → spermatozoa + ovum → sporangium

D.

Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore

Correct answer is D

No explanation has been provided for this answer.

1,700.

A tissue can best be defined as

A.

an aggregate of similar cells

B.

an aggregate of cells performing a similar function

C.

an aggregate of similar cells performing the same function

D.

a mixture of different cell types performing the same function

Correct answer is B

No explanation has been provided for this answer.