JAMB Biology Past Questions & Answers - Page 122

606.

The F1 generation of a cross between a red cock and white hen were all red because the gene for the

A.

white colour did not segregate

B.

red colour was dominant

C.

white colour was dominant

D.

red colour was recessive

Correct answer is B

No explanation has been provided for this answer.

607.

A small stem from a hibiscus plant was placed in a nutrient medium and it developed into a new plant. The new plant was reproduced

A.

asexually with a different genotype from the parent plant

B.

sexually with a different genotype from the parent plant

C.

asexually with the same genotype as the parent plant

D.

sexually with the same genotype as the parent plant

Correct answer is C

No explanation has been provided for this answer.

608.

Which of the following reagents is used to test for the presence of protein in food?

A.

Benedict solution

B.

Fehling’s Solution

C.

Millon’s reagent

D.

Sudan III

Correct answer is C

No explanation has been provided for this answer.

609.

Which of the following is not part of the mammalian male reproductive organ?

A.

Epididymis

B.

Vas deferens

C.

testis

D.

Vulva

Correct answer is D

No explanation has been provided for this answer.

610.

In the kidney, both useful substances and waste are removed from the blood by

A.

Filtration

B.

selective absorption

C.

dialysis machine

D.

excretion

Correct answer is A

No explanation has been provided for this answer.