Jamb Biology 2012 Past Questions and Answers

Question 21:

• JAMB 2012

The autonomic nervous system consists of neurons that control the

A. Voluntary muscles
B. Heart beat
C. Tongue
D. Hands

Question 22:

• JAMB 2012

The water cycle is maintained mainly by

A. Evaporation of water in the environment
B. Evaporation and condensation of water in the environment
C. Condensation of water in the environment
D. Transpiration and respiration in plants

Question 23:

• JAMB 2012

Plants of temperate origin can be grown in tropical areas in the vegetation zones of the

A. Rain forest
B. Guinea savanna
C. Sudan savanna
D. Montane forest

Question 24:

• JAMB 2012

Organisms living in an estuarine habitat are adapted to

A. Withstand wide fluctuations in temperature
B. Survive only in water with low salinity
C. Withstand wide fluctuations in salinity
D. Feed only on phytoplankton and dead organic matter

Question 25:

• JAMB 2012

The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the

A. Tropical rainforest
B. Mangrove swamps
C. Gressland
D. Montane forest