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.

1,026.

The glomerular filtrate contains the following substances EXCEPT

A.

blood cells

B.

glucose

C.

mineral salts

D.

Water

E.

urea

Correct answer is A

No explanation has been provided for this answer.

1,027.

The correct sequence of energy transfer among living organisms in an ecosystem is

A.

consumers - decomposers – producers

B.

consumers - producers - decomposers

C.

decomposers - producers- consumers

D.

producers - consumers- decomposers

E.

producers - decomposers- consumers

Correct answer is D

No explanation has been provided for this answer.

1,028.

When a plant shows yellowing of leaves and stunted growth, the plant is deficient in

A.

copper

B.

iron

C.

manganese

D.

silicon

E.

zinc

Correct answer is B

-Iron is one of the seven major / essential elements required by plants.

-Its deficiency symptoms is the yellowing of leaves

1,029.

Xylem tissue consists of the following cells EXCEPT

A.

sieve tubes

B.

tracheids

C.

vessels

D.

fibres

E.

parenchyma

Correct answer is A

No explanation has been provided for this answer.

1,030.

A feeding relationship in which both organisms benefit is referred to as

A.

commensalism

B.

parasitism

C.

predation

D.

saprophytism

E.

symbiosis

Correct answer is E

No explanation has been provided for this answer.