JAMB Biology Past Questions & Answers - Page 285

1,421.

Which of the following is not a function of the mammalian skeleton?

A.

Protection

B.

respiration

C.

Transportation

D.

Support

Correct answer is C

The major functions of the skeletal system are body support, facilitation of movement, protection of internal organs, and the storage of minerals and fat.

With the help of the lymphatic and circulatory systems, the skeletal system works with the respiratory system by creating red blood cells in the bones that aid in respiration facilitated by the lungs.

1,422.

In which of the following groups of animals is the malpighian tubule found?

A.

Lizards, snakes, and frogs

B.

Crickets, houseflies, and grasshoppers

C.

Millipedes, centipedes, and scorpions

D.

earthworms, roundworms, and flatworms

Correct answer is B

No explanation has been provided for this answer.

1,423.

Which of following movements occur during exhalation?

A.

The diaphragm and intercostal muscles relax

B.

The thoracic cavity increases in volume

C.

The diaphragm and intercostal muscles contract

D.

The diaphragm contracts and the intercostal muscle relax

Correct answer is A

No explanation has been provided for this answer.

1,424.

In adult mammalian blood, the cells which lack nuclei are the

A.

erythrocytes

B.

lymphocytes

C.

leucocytes

D.

phagocytes

Correct answer is A

No explanation has been provided for this answer.

1,425.

The heart of the adult frog consists of

A.

two auricles and two ventricles

B.

one auricle and one ventricle

C.

two ventricles and one auricle

D.

one ventricle and two auricles

Correct answer is D

No explanation has been provided for this answer.