WAEC Biology Past Questions & Answers - Page 356

1,776.

The relationship between a herbivore and the bacteria in its caecum is known as

A.

parasitism

B.

symbiosis

C.

commensalism

D.

saprophytism

E.

predation

Correct answer is B

No explanation has been provided for this answer.

1,777.

In a water culture experiment, a plant showed poor growth and yellowing leaves. These symptoms
were probably due to the absence of

A.

calcium

B.

phosphorus

C.

iron

D.

zinc

E.

copper

Correct answer is C

No explanation has been provided for this answer.

1,778.

Which of the following is not regarded as a micro-nutrient or trace element for plant growth?

A.

Phosphorus

B.

Zinc

C.

Boron

D.

Silicon

E.

Molybdenum

Correct answer is A

No explanation has been provided for this answer.

1,779.

Even though some flowering plants contain accessory pigments which give them colours they still contain

A.

melanin

B.

chlorophyll

C.

xanthrophyll

D.

carotene

E.

chlorocruorin

Correct answer is B

No explanation has been provided for this answer.

1,780.

What structure in the maize grain stores food?

A.

Radicle

B.

Embryo

C.

Cytoplasm

D.

Seed coat

E.

Endosperm

Correct answer is E

No explanation has been provided for this answer.