JAMB Biology Past Questions & Answers - Page 416

2,076.

Which of these tissue serves the function of support and water conduction

A.

Parenchyma

B.

Collenchymas

C.

Sclerenchyma

D.

Xylem

E.

Phloem

Correct answer is D

No explanation has been provided for this answer.

2,077.

Amoeba moves by means of

A.

 Cilia

B.

Flagella

C.

Pseudopodia

D.

Swimmerets

E.

Setae

Correct answer is C

No explanation has been provided for this answer.

2,078.

All living organism

A.

Photosynthesize

B.

Respire

C.

Move

D.

Feed

E.

Transpire

Correct answer is B

No explanation has been provided for this answer.

2,079.

In a breeding program a cross was made between two true breeding cow-pea types: one with round seeds and the other with wrinkled seed. If roundness is dominant why wrinkleness is recessive, in the first filial generation all the seeds produced will be?

A.

25% wrinkled, 75% round

B.

100% wrinkled

C.

50% wrinkled, 50% round

D.

75% wrinkled, 25% round

E.

100% round

Correct answer is E

Owing to the dominance of roundness, the crossing of the two seeds regularly would see all the offsprings having mixed genes but will be round.

2,080.

Which of these products obtained from analyzing sweat from skin is not an excretory product?

A.

water

B.

Salts

C.

Dust

D.

Urea

E.

 Urates

Correct answer is C

Dust is not an excretory product from the human.