NECO Past Questions and Answers - Page 324

1,616.

An example of a sex-linked trait is

A.

ability to roll the tongue

B.

ability to taste PTC

C.

baldness

D.

blindness

E.

blood group

Correct answer is C

No explanation has been provided for this answer.

1,617.

Which of these is NOT an excretory organ/organelle?

A.

flame cell

B.

kidney

C.

malphigian tubule

D.

nephridium

E.

spiracle

Correct answer is E

No explanation has been provided for this answer.

1,618.

When both alleles in a heterozygous individual are fully expressed in the phenotype of the F generation, this phenomenon is described as

A.

codominance

B.

dominance

C.

incomplete dominance

D.

mutation

E.

recession

Correct answer is A

No explanation has been provided for this answer.

1,619.

In a case of disputed paternity the most likely clue to resolving the problem is to match the ________________ of the baby with that of the father.

A.

blood group

B.

facial appearance

C.

fingerprint

D.

sex type

E.

skin color

Correct answer is A

No explanation has been provided for this answer.

1,620.

An essential element whose deficiency in plants will result in poor growth, particularly of the roots, and is essential for cell wall formation is

A.

calcium

B.

iron

C.

magnesium

D.

nitrogen

E.

phosphorus

Correct answer is A

No explanation has been provided for this answer.