Jamb Biology Past Questions and Answers

Question 2171:

• JAMB 2019

The movement of blood between the heart and all other parts of the body beside the lungs is

A. Double circulatory system
B. Pulmonary system
C. Single circulation
D. Systemic circulation

Question 2172:

• JAMB 2019

The change in the genetic make up of an organism resulting in an inheritable characteristics which is new is

A. Mutation
B. Locus
C. Hybrid
D. Diploid

Question 2173:

• JAMB 2019

The organic molecule(s) present in the nucleus is/are

A. DNA
B. Protein, DNA, RNA
C. ATP and RNA
D. RNA

Question 2174:

• JAMB 2019

Albinism is an expression of trait controlled by

A. Chromosomes
B. Recessive genes
C. Dominant genes
D. Mutation

Question 2175:

• JAMB 2019

The male sex cells also called gametes are produced in the testes by a process called

A. Gametogenesis
B. Implantation
C. Spermatogenesis
D. Spermatozoa