WAEC Past Questions and Answers - Page 4095

20,471.

The autonomic nervous system comprises

A.

sympathetic and parasympathetic systems

B.

cranial and sacral nerves

C.

brain and cranial nerves

D.

spinal cord and spinal nerves

E.

brain and spinal nerves

Correct answer is A

No explanation has been provided for this answer.

20,473.

Over-crowding in seedlings of different species is less serious than over-crowding involving one species
because different species may

A.

have different nutritional needs

B.

lack the same nutrient

C.

be active at the same time

D.

have similar tolerance

E.

need equal spacing

Correct answer is A

No explanation has been provided for this answer.

20,474.

The heat capacity of a substance is the energy

A.

required to raise the temperature of a unit mass of the substance by one degree.

B.

required to raise the temperature of the substance by one degree

C.

absorbed by the substance at constant temperature

D.

lost by a unit mass of the substance.

Correct answer is B

No explanation has been provided for this answer.

20,475.

The term afforestation is used to describe

A.

 harvesting natural forest resources

B.

planting trees of value to man

C.

fallowing forestland

D.

felling trees in the forest

E.

recycling waste forest products

Correct answer is B

No explanation has been provided for this answer.