JAMB Biology Past Questions & Answers - Page 197

981.

The reproductive system of a male mammal is made of

A.

claspers, prostrate, gland, sperm duct, and vas deferens

B.

testis, prostrate gland, sperm duct, and penis

C.

oviduct, urethra, testis, and sperm duct

D.

testis, uterus, prostrate gland, and sperm duct

Correct answer is B

Male reproductive structures are: the penis, scrotum and testicles, vas deferens, prostate, and urethra.

The male reproductive system is responsible for sexual function, as well as urination.

982.

The axial skeleton is found in the

A.

skull, ribs, vertebral column, and breast bone

B.

skull, humerus, vertebral column, and ribs

C.

breastbone, clavicle, ribs, and vertebral column

D.

femur, sternum, ulna, and skull

Correct answer is A

No explanation has been provided for this answer.

983.

In insects, the structure that performs the same function as the kidney in man is the?

A.

nephridrium

B.

flame cell

C.

malphigian tubule

D.

trachea

Correct answer is C

No explanation has been provided for this answer.

984.

The enzymes of the glycolytic pathway are located in the?

A.

mitochondria

B.

gastric juice

C.

plasma

D.

cytoplasm

Correct answer is D

Glycolysis is a metabolic pathway that does not require oxygen for the breakdown of glucose into pyruvate or pyruvic acid by enzymes in the cytoplasm of the cell.

Then the NADH + H+ generated by glycolysis has to be transferred to the mitochondrion to be oxidized, and thus regenerate the NAD+ necessary for glycolysis to continue.

985.

Which of the following describes the sequence of blood flow from the heart to a tissue?

A.

Heart→ artery→ arteriole →tissue

B.

heart→ vein →venule →tissue

C.

heart →venule→ vein →tissue

D.

heart →arteriole →artery →tissue

Correct answer is A

No explanation has been provided for this answer.