Jamb Biology 2003 Past Questions and Answers

Question 41:

• JAMB 2003

An organism that has been extensively used to test the chromosomes theory of heredity is

A. Drosophila melanogaster
B. Muscar domestica
C. Zea mays
D. Homo sapiens

Question 42:

• JAMB 2003

A feature associated with the Y-chromosome in human is

A. Long eyelashes
B. Prominent fingernails
C. Facial hairs
D. Enlarged breast

Question 43:

• JAMB 2003

The type of reproduction that leads to variation animal and plant population is

A. Budding
B. Sexual
C. Vegetative
D. Asexual

Question 44:

• JAMB 2003

An insect with a mandibulate mouth part will obtain its food by

A. Biting and chewing
B. Chewing and sucking
C. Chewing
D. Sucking

Question 45:

• JAMB 2003

An argument against Lamarck's theory of evolution is that

A. Disuse of body part cannot weaken the part
B. Disused part is dropped off in the offspring
C. Acquired traits cannot be passed on to the offspring
D. Trait cannot be acquired through constant use of body parts