Variety of Organisms - Jamb Biology Past Questions and Answers

Question 31:

• JAMB 2005

When an animal has a dark-coloured dorsal surface and a light-colouration ventral surface, this is an adaptation called

A. Concealment colouration
B. Countershading
C. Colour blending
D. Disruptive colouration

Question 32:

• JAMB 2007

One adaptation shown by hydrophytes in freshwater habitats is the

A. Leaves reduced to spines
B. Poor development of roots and xylem tissues
C. Waxy cuticle on shoot surface
D. Well developed roots and supporting system

Question 33:

• JAMB 2007

Use the diagram above to answer this question. The type of protective adaptation exhibited by the animal is

A. Disruptive colouration
B. Flash colouration
C. Countershading colouration
D. Warning colouration

Question 34:

• JAMB 2008

The abilty of a chameleon to change its colour is an adaptive future for

A. Attraction
B. Defence
C. Display
D. Attack

Question 35:

• JAMB 2009

Which of the following animals is most adapted for water conservation?

A. Earthworms
B. Mammals
C. Flatworms
D. Insects