WAEC Biology Past Questions & Answers - Page 41

201.

The diagram above illustrates a part of the mammalian skeleton. Use it to answer this this question
 

The part of the skeleton illustrated in the diagram is the

A.

atlas vertebrae

B.

axis vertebrae

C.

cervical vertebrae

D.

thoraeic vertebrae

Correct answer is C

No explanation has been provided for this answer.

202.

The variety P,Q,R and S Outlive the others because the

A.

variety is the most beautiful

B.

variety does not have markings

C.

markings of the variety are similar to those of the environment

D.

predator does not like eating the variety

Correct answer is C

No explanation has been provided for this answer.

203.

In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used.

Which of the varieties is most likely to outlive the others?

A.

P

B.

Q

C.

R

D.

S

Correct answer is B

No explanation has been provided for this answer.

204.

In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used.

Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river?

A.

P

B.

Q

C.

R

D.

S

Correct answer is C

No explanation has been provided for this answer.

205.

Which of the following statements about sex-linked characters is not true?

A.

They are usually borne on the X = chromosome

B.

They are more common in males

C.

Males are usually carriers

D.

They are not usually carried on the Y chromosomes

Correct answer is C

No explanation has been provided for this answer.