Waec Biology Past Questions and Answers

Question 531:

• WAEC 1998

The part labelled IV in the diagram is the

A. Plumule
B. Endosperm
C. Radicle
D. Coleoptile
E. Pericarp

Question 532:

• WAEC 1998

The function of the part labelled V in the diagram is the

A. Manufacture of food
B. Storage of food
C. Secretion of digestive enzymes
D. Protection of the radicle
E. Absorption of mineral salts

Question 533:

• WAEC 1998

Which of the following is a feature of wind pollinated flowers?

A. Large and brightly coloured petals
B. Possession of sweet scent
C. Presence of nectar
D. Presence of pollen guides
E. Smooth, light and numerous pollen grains

Question 534:

• WAEC 1998

In testing for starch in a leaf the function of alcohol is to

A. Kill the cells of the leaf
B. Soften the veins of the leaf
C. Aid iodine to penetrate the cells
D. Be a component of the heating bath
E. Extract the chlorophyll from the leaf

Question 535:

• WAEC 1998

Which of the following processes removes CO² from the atmosphere?

A. Respiration
B. Photosynthesis
C. Transpiration
D. Excretion
E. Combustion