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.

3,196.

The first terrestrial vertebrates evolved from

A.

pisces

B.

reptilia

C.

amphibia

D.

mammalian

Correct answer is A

The earliest vertebrates resembled hagfish and lived more than 500 million years ago. As other classes of fish appeared, they evolved traits such as a complete vertebral column, jaws, and a bony endoskeleton. Amphibians were the first tetrapod vertebrates as well as the first vertebrates to live on land.

3,197.

Alternation of asexual and sexual modes of reproduction is found in?

A.

blue-green algae

B.

euglena

C.

fern

D.

maize

Correct answer is C

 Ferns use both sexual and asexual reproduction methods. 

3,198.

In a cell, the genes are carried by?

A.

nuclear membranes

B.

chromatin threads

C.

lysosomes

D.

mitochondria

Correct answer is B

No explanation has been provided for this answer.

3,199.

A characteristic exhibited by all living organisms is?

A.

sexual reproduction

B.

aerobic respiration

C.

the ability to move from one place to another

D.

the ability to remove unwanted substances

Correct answer is D

No explanation has been provided for this answer.

3,200.

What is an onion bulb's level of organization?

A.

tissue

B.

organ

C.

systemic

D.

organismal

Correct answer is B

An onion bulb is an example of a plant organ.