WAEC Biology Past Questions & Answers - Page 313

1,561.

Spermatogenesis and Oogenesis are both terms used to describe

A.

mitosis

B.

meiosis

C.

mating

D.

implantation

E.

gametogenesis

Correct answer is E

No explanation has been provided for this answer.

1,562.

Which pair of structures contributes to balance in mammals?

A.

Utriculus and Sacculus

B.

Malleus and Stapes

C.

Sacculus and cochlea

D.

Utriculus and pinna

E.

Fenestra ovalis and sacculus

Correct answer is A

No explanation has been provided for this answer.

1,563.

Which of the following is not a pollution control measure?

A.

Penalising those who dump refuse on water or land

B.

Controlling the emission of smoke from automobiles and industries

C.

Ensuring that there is no spillage of oil

D.

Establishing government agencies like the Federal Environmental Protection Agency (FEPA)

E.

Channeling sewage into streams

Correct answer is E

No explanation has been provided for this answer.

1,564.

In which of the following organisms is the siphon found?

A.

Tadpole

B.

Mosquito pupa

C.

Tilapia

D.

Crayfish

E.

Butterfly

Correct answer is B

No explanation has been provided for this answer.

1,565.

The gradual, cumulative, adaptive, and heritable changes in an organism over a long period of time resulting
in the emergence of new species is known as

A.

adaption

B.

survival

C.

regeneration

D.

variation

E.

organic evolution

Correct answer is E

No explanation has been provided for this answer.