Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

3,391.

An example of a caryopsis is

A.

Guava

B.

Maize grain

C.

Coconut

D.

Tomato

Correct answer is B

No explanation has been provided for this answer.

3,392.

Homologous pairs of chromosome separate during

A.

Cytolysis

B.

Cleavage

C.

Mitosis

D.

Meiosis

Correct answer is D

No explanation has been provided for this answer.

3,393.

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.

3,394.

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.

3,395.

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.