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.

4,236.

Which one of the following animals is NEVER a secondary host of tapeworms?

A.

cow

B.

Fish

C.

Pig

D.

Man

E.

Dog

Correct answer is D

No explanation has been provided for this answer.

4,237.

The vacuole of a plant cell is

A.

a large empty space

B.

smaller than that of animal cell

C.

filled with air

D.

an ordinary vacuum

E.

surrounded by a membrane

Correct answer is E

No explanation has been provided for this answer.

4,238.

One of the following statement is NOT true of spirogyra

A.

it is a simple multicellular plant

B.

during conjugation, its gametes, which are structurally and physiologically similar, fuses to form a zygote

C.

it possesses spiral chloroplast which enables the plant to photosynthesize

D.

its cells are protected externally by layer of mucilage

E.

there are pyrenoids along the chloroplast

Correct answer is B

No explanation has been provided for this answer.

4,239.

In Mucor or Rhizopus carbohydrate is absorb in the form of

A.

starch

B.

sucrose

C.

glucose

D.

glycogen

E.

arabinose

Correct answer is C

No explanation has been provided for this answer.

4,240.

Root hair have their origin from 

A.

Endodermis

B.

Pericycle

C.

Cortex

D.

Epidermis

E.

Xylem

Correct answer is D

Asymmetric cell division in an epidermal cell gives rise to a large cell (atrichoblast) that develops into a hairless epidermal cell and a shorter 'specialized' cell that forms a root hair (trichoblast).