WAEC Past Questions and Answers - Page 3962

19,806.

Which of the following plants is a carnivore? 

A.

Desmodium

B.

Sundew

C.

Mushroom

D.

Platycerium

E.

Liverwort

Correct answer is B

No explanation has been provided for this answer.

19,807.

Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)

A.

141.3o

B.

128.7o

C.

51.3o

D.

48.7o

E.

38.7o

Correct answer is C

No explanation has been provided for this answer.

19,808.

The enzyme that acts on milk in the stomach is

A.

invertase

B.

trypsin

C.

diastase

D.

renin

E.

ptyalin

Correct answer is D

No explanation has been provided for this answer.

19,809.

In \(sin(X+30)^o=cos40^o\),find X

A.

10o

B.

20o

C.

50o

D.

60o

E.

90o

Correct answer is B

\(sin(X+30)^o=cos40^o\\
X+30+40=90^o\)complementary angles
\(X=20^o\)

19,810.

The pancreatic duct opens into the

A.

caecum

B.

colon

C.

ileum

D.

duodenum

E.

 oesophagus

Correct answer is D

No explanation has been provided for this answer.