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.

3,441.

The capture and digestion of insects by a pitcher plant is a special form of nutrition termed

A.

autotrophic

B.

heterotrophic

C.

chemosynthetic

D.

saprophytic

Correct answer is B

No explanation has been provided for this answer.

3,442.

The presence of an endoskeleton is characteristic of

A.

invertebrata

B.

vertebrata

C.

insecta

D.

coelenterata

Correct answer is B

No explanation has been provided for this answer.

3,443.

The mammalian erythrocytes differ from the leucocytes at maturity because the erythrocytes are

A.

discoid and nucleated

B.

discoid and enucleated

C.

amoeboid and nucleated

D.

amoeboid and enucleated

Correct answer is B

No explanation has been provided for this answer.

3,444.

Examples of organisms that carry out extracellular digestion are? 

A.

fungus, loranthus, and housefly

B.

rhizopus, sponges, and earthworm

C.

roundworm, tapeworm. and hydra

D.

rhizopus, housefly, and hydra

Correct answer is D

Rhizopus is a fungus and it uses extracellular digestion.

Houseflies digest their food externally by applying a solvent liquid to food particles to dissolve them, and then sucking up the liquid food.

Hydra also use extracellular digestion and secrete molecules to break down the substrate they will grow.

3,445.

Animals aestivate when the environment where they live becomes

A.

hot and dry

B.

cold and wet

C.

warm and humid

D.

windy and snowy

Correct answer is A

No explanation has been provided for this answer.