Structural adaptations in organisms - Jamb Biology Past Questions and Answers

Question 16:

• 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 17:

• 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 18:

• 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 19:

• JAMB 2009

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

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

Question 20:

• JAMB 2011

The adaptive importance of nuptial flight from termite colonies is to

A. Disperse the reproductives in order to establish new colonies
B. Provide abundant food for birds and other animals during the early rains
C. Ensure cross-breeding between members of one colony and another
D. Expel the reproductives so as to provide enogh food for other members