JAMB Biology Past Questions & Answers - Page 241

1,201.

Metabolic production of urea is carried out in the

A.

urinary bladder and kidney

B.

Liver

C.

Pancreas

D.

Kidney and malphigian tubule

Correct answer is B

All the metabolic wastes are excreted in a form of water solutes through the excretory organs (nephridia, Malpighian tubules, kidneys), with the exception of CO2, which is excreted together with the water vapor throughout the lungs. The elimination of these compounds enables the chemical homeostasis of the organism. Urea is produced in the liver and is a metabolite.

1,202.

In mammalian males, the excretory and reproductive systems share the

A.

Ureter

B.

vas deferens

C.

Urethra

D.

Testes

Correct answer is C

No explanation has been provided for this answer.

1,203.

The best method of propagating sugarcane is by

A.

Seedling sowing

B.

Layering

C.

Grafting

D.

Stem cuttings

Correct answer is D

No explanation has been provided for this answer.

1,204.

The part of the mammalian digestive system where nutrient absorption takes place is the

A.

ileum

B.

colon

C.

oesophagus

D.

duodenum

Correct answer is A

No explanation has been provided for this answer.