Jamb Biology Past Questions and Answers

Question 201:

• JAMB 1980

The lime water in container C turned milky because

A. Carbon dioxide was produced by plant
B. During respiration carbon dioxide entered C
C. Oxygen reacts with lime water to produce milkiness
D. Soda lime did not remove carbon dioxide from air
E. The delivery tubes were not well connected

Question 202:

• JAMB 1981

Which of the following is NOT true of wind-pollinated flowers?

A. A large amount of pollen produced
B. Light smooth pollen grains
C. Small inconspicuous flowers
D. Scented petals
E. Large pendulous anther

Question 203:

• JAMB 1981

Which of the following animals is cold blooded

A. Cat
B. Lizard
C. Whale
D. Bird
E. Horse

Question 204:

• JAMB 1981

What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?

A. 0 tall : 4 short
B. 3 tall : 1 short
C. 2 short : 2 tall
D. 1 tall : 1 short
E. 4 tall : o short

Question 205:

• JAMB 1981

Where is the food stored in yam plant?

A. Stem
B. Bud
C. Adventitous root
D. Leaves
E. Tap root