Jamb Biology 2004 Past Questions and Answers

Question 41:

• JAMB 2004

Identical twins inherit their genes from

A. Different eggs and sperms
B. The same egg and sperm
C. Two eggs and a sperm
D. One egg and two sperms

Question 42:

• JAMB 2004

Sex - linked genes are located on

A. Y - chromosomes
B. X - and Y - chromosomes
C. Homologous chromosome
D. X - chromosome

Question 43:

• JAMB 2004

Which of the following is an example of intraspecific competition?

A. A lizard and an ant-eater chasing an insect
B. A worker termite and a soldier in a limited
C. A hawk and an eagle targeting the same chicken
D. Yam and potato shots growing out through the same window

Question 44:

• JAMB 2004

Plants survive hot dry conditions by

A. Storing water in large parenchyma cells
B. Producing numerous leaves
C. Having numerous stomata
D. Having evergreen leaves

Question 45:

• JAMB 2004

Rodents gnaw on food with their

A. Molar teeth
B. Strong jaws
C. Flat-ridged teeth
D. Chisel - like front teeth