WAEC Biology Past Questions & Answers - Page 297

1,481.

Which of the following statements about the lymphatic system is not correct?

A.

The lymph vessels are always larger in size than the arteries

B.

The flow of lymph is assisted by general muscular movement

C.

Lymph flows only in one direction due to the presence of valves

D.

Lymph is emptied into the blood circulatory system through a vein

E.

Lymph node becomes swollen during serious infections

Correct answer is A

No explanation has been provided for this answer.

1,482.

Which of the following is more concentrated in the blood within the renal artery than the blood within the
renal vein?

A.

Urea

B.

Red blood cells

C.

Glucose

D.

Protein

E.

White blood cells

Correct answer is A

No explanation has been provided for this answer.

1,483.

Study the list.
The mammalian vertebral column consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.

Which of the following articulates with the pelvic girdle?

A.

V

B.

IV

C.

III

D.

II

E.

I

Correct answer is A

No explanation has been provided for this answer.

1,484.

Study the list.
The mammalian vertebral column consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.

Which of the following articulates with the ribs?

A.

I

B.

II

C.

III

D.

IV

E.

V

Correct answer is B

No explanation has been provided for this answer.

1,485.

Study the list.
The mammalian vertebral column consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.

Which of the following are found immediately next to the skull?

A.

I

B.

II

C.

III

D.

IV

E.

V

Correct answer is D

No explanation has been provided for this answer.