WAEC Past Questions and Answers - Page 4161

20,801.

The brain and the spinal cord make up the

A.

peripheral nervous system

B.

automatic nervous system

C.

central nervous system

D.

somatic nervous system

E.

sympathetic nervous system

Correct answer is C

No explanation has been provided for this answer.

20,802.

Auxins are produced in the

A.

petiole of leaves

B.

parenchyma of roots and shoots

C.

epidermis of roots and shoots

D.

apical regions of roots and shoots

E.

sclerenchyma tissues of roots and shoots

Correct answer is D

No explanation has been provided for this answer.

20,803.

The pituitary gland is called the Master gland because

A.

it is located in the brain

B.

its secretion are the more numerous than those of the other glands

C.

its secretion controls the other glands

D.

it is the only organ that produces hormone

E.

it regulates muscular movements

Correct answer is C

No explanation has been provided for this answer.

20,804.

Which of the following statements is correct of hormones? Hormones are

A.

secreted into the blood through ducts

B.

secreted directly into the blood stream

C.

inactive chemical substance in the blood stream

D.

non-specific in their mode of action

E.

secreted at the site of the needed organ

Correct answer is B

No explanation has been provided for this answer.

20,805.

Coordination is achieved in the body of mammals through the action of the

A.

endocrine and nervous systems

B.

skeletal and nervous systems

C.

muscular and nervous systems

D.

circulatory and nervous systems

E.

skeletal, muscular, and nervous system

Correct answer is A

No explanation has been provided for this answer.