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.

746.

The above organism can be classified under what phylum in the animal kingdom?

A.

Nematoda

B.

Chordata

C.

Porifera

D.

Annelida

Correct answer is B

The tilapia fish can be classified under chordata phylum in the animal kingdom.

747.

Which of the reproductive system in mammals secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system?

A.

Cowper's gland

B.

Prostate gland

C.

Vas deferens

D.

Seminal Vesicle

Correct answer is A

One of the functions of the prostrate gland is to ensure the successful fertilization of the ovum which involves the neutralization of the acidic media of the male and female reproductive systems.

This does not replace the role of the cowper's gland to raise the pH of the fluid in the female reproductive system, too.

748.

The attachment of the embryo to the wall of the uterus is called

A.

Ovulation

B.

Implantation

C.

Gametogenesis

D.

Placentation

Correct answer is B

Implantation is the attachment of embryo to the uterus wall.

749.

One of the following is a process of transmission of hereditary characteristics by chromosomes

A.

Genes relating to the same character occupy identical locations on the chromosomes

B.

Separating homologous chromosomes into four daughter cells

C.

Separating gametes during fertilization

D.

Dictating the formation of a protein by a gene in a chromosome

Correct answer is D

Dictating the formation of a protein by a gene in a chromosome is a process of transmitting hereditary characteristics

750.

Inheritable character/features possessed by an organism can be referred to as

A.

Genes

B.

Locus

C.

Traits

D.

Allelomorphs

Correct answer is C

A trait is an inheritable character/inheritable feature possessed by an organism.