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.

2,701.

Which of the following is not a cell organelle?

A.

Golgi body

B.

Nucleus

C.

Fat droplets

D.

Ribosome

E.

Endoplasmic reticulum

Correct answer is C

No explanation has been provided for this answer.

2,702.

A few drops of fehling’s solution was added to juice extracted from fresh maize grain and boiled. A red
precipitate was formed, indicating the presence of

A.

alcohol

B.

protein

C.

non-reducing sugar

D.

starch

E.

Endoplasmic reticulum

Correct answer is D

No explanation has been provided for this answer.

2,703.

Which of the following levels of organisation in living things is in the correct sequence, starting from the
most complex to the simplest?

A.

tissue → cell → organ → system

B.

System → organ → tissue → cell

C.

Cell → tissue → system → organ

D.

Cell → tissue → organ → system

E.

Organ → system → tissue → cell

Correct answer is B

No explanation has been provided for this answer.

2,704.

Ultrafiltration process at the Bowman’s capsule is facilitated by

A.

the volume of water in the blood

B.

the high concentration of urea in the blood of the Bowman’s capsule

C.

the differential blood pressure between the glomerulus and the Bowman’s capsule

D.

the differential blood volume between the glomerulus and the Bowman’s capsule

E.

heavy weight of the urea, water, glucose and amino acids in the Bowman’s capsule

Correct answer is C

No explanation has been provided for this answer.

2,705.

Density, mortality rate, and birth rate are the factors that affect

A.

population

B.

dominance

C.

cover

D.

habitat

E.

abiotic community

Correct answer is A

No explanation has been provided for this answer.