Biology Past Questions

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771

The sex-linked defect in which very slight cut produces severe bleeding is known as

A. anaesmia
B. anorexia
C. haemophilia
D. haemolysis

View Answer & Discuss (3) JAMB 1994

772

A man who has the trait for colour blindness marries a normal woman. What percentage of their children would be sufferers, carriers and normal respectively

A. 25%, 25% and 50%
B. 25%, 50% and 25%
C. 50%, 25% and 25%
D. 25%, 37.5% and 37%

View Answer & Discuss (37) JAMB 1994

773

Breathing root is an adaptation for survival in the

A. mangrove swamp
B. desert
C. arboreal habitat
D. savanna

View Answer & Discuss JAMB 1994

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774

Red coloration on the head of a male lizard helps it to

A. mark is territory
B. camouflage in the enviroment
C. secure its mate
D. defend itself

View Answer & Discuss (4) JAMB 1994

775

A phenomenon by which an animal goes into a state of dormancy during the dry season is called

A. hibernation
B. aestivation
C. incubation
D. deactivation

View Answer & Discuss (6) JAMB 1994

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