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.

1,806.

Increasing adrenalin content of the blood would be expected to decrease the flow of blood to the

A.

liver

B.

heart

C.

lungs

D.

brain

Correct answer is B

No explanation has been provided for this answer.

1,807.

The pulmonary circulation involves movement of the blood to and from the

A.

brain

B.

Kidney

C.

Liver

D.

lungs

Correct answer is D

No explanation has been provided for this answer.

1,808.

The muscle cell fluid of an athlete was tested immediately after a 10m race and was found to contain a high
concentration of lactic acid. Explain what could have caused this. The

A.

athlete must have eaten food containing lactic acid just before the race

B.

athlete must have injected lactic acid into his blood just before the race

C.

athletes muscle must have carried out anaerobic respiration during the race

D.

athlete must have inhaled lactic acid from the environment during the race

Correct answer is C

No explanation has been provided for this answer.

1,809.

Which of the following processes occurs in the second phase of meiosis?

A.

Homologous chromosomes separate

B.

Two daughtercells are formed

C.

Fertilization occurs

D.

Segregation of genes occurs

Correct answer is A

No explanation has been provided for this answer.

1,810.

In which of the following multicellular organisms is-interdependence of cells maintained?

A.

Spirogyra

B.

Volvox

C.

Eudorina

D.

Pandorina

Correct answer is B

No explanation has been provided for this answer.