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.

836.

Meiosis involves all the following EXCEPT

A.

exchange of genes

B.

production of cells with diploid number of chromosomes

C.

production of cells with haploid number of chromosomes

D.

production of two daughter cells

E.

two nuclear divisions

Correct answer is B

No explanation has been provided for this answer.

837.

The structure that separates the thoracic from abdominal cavity is

A.

diaphragm

B.

intercostal muscle

C.

rib

D.

sternum

E.

thoraxic vertebrae

Correct answer is A

The diaphragm is a dome-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen.

838.

The main constituents of glomerular filterate are

A.

blood and water

B.

blood and urea

C.

glucose and water

D.

salt and blood

E.

water and urea

Correct answer is C

No explanation has been provided for this answer.

839.

Which of these is an example of physiological variation?

A.

Blood group

B.

Eye colour

C.

Fingerprint

D.

Height

E.

Weight

Correct answer is A

No explanation has been provided for this answer.

840.

Intercostal muscles are found in the ------ region

A.

abdominal

B.

chest

C.

head

D.

limb

E.

neck

Correct answer is B

No explanation has been provided for this answer.