WAEC Past Questions and Answers - Page 3955

19,771.

Which of the following statements about poliomyelitis is not correct. It 

A.

is a bacterial disease

B.

is capable of paralysing the limbs

C.

can be prevented by immunization

D.

is an infant disease

E.

may cause wasting of the limb muscles

Correct answer is A

No explanation has been provided for this answer.

19,772.

Evaluate \(\sqrt{20}\times (\sqrt{5})^3\)

A.

10

B.

20

C.

25

D.

50

Correct answer is D

\(\sqrt{20}\times (\sqrt{5})^3\\
2\sqrt{5}\times \sqrt{5}\times \sqrt{5}\times \sqrt{5}=2\times 5\times 5 = 50\)

19,773.

which of the following plant parts is not a storage organ?

A.

Carrot root

B.

Sugarcane stem

C.

Onion leaf

D.

Banana stem

E.

Cassava root

Correct answer is D

No explanation has been provided for this answer.

19,774.

Three of the angles of a hexagon are each Xo. The others are each 3Xo. Find X

A.

30o

B.

40o

C.

60o

D.

80o

E.

120o

Correct answer is C

No explanation has been provided for this answer.

19,775.

The earthworm is important because 

A.

its body is always moist

B.

each of its segments has chaetae

C.

It has a clitellum

D.

it aerates the soil

E.

it reproduces fast

Correct answer is D

No explanation has been provided for this answer.