FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 876:

• JAMB 2009

A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is

A. Isotonic to sea water
B. Hypotonic to sea water
C. Hypertonic to sea water
D. Impervious to sea water

Question 877:

• JAMB 2009

The specialized pigment cells that are involved in colouration and colour change in animals

A. Xanthophyl
B. Chromatophores
C. Chromatophyll
D. Melanin

Question 878:

• JAMB 2009

Use the diagram above to answer this question.
The structure that controls loss of water vapour during transpiration is labelled

A. L
B. Ll
C. Lll
D. LV

Question 879:

• JAMB 2009

Use the diagram above to answer this question.
The part labelled l is the

A. Spongy mesophyll
B. Upper epidemis
C. Cuticle
D. Vein

Question 880:

• JAMB 2009

Use the diagram above to answer this question.
Emulsification of fats takes place in the part labelled

A. L
B. Ll
C. Lll
D. LV