Waec Biology Past Questions and Answers

Question 1811:

• WAEC 1988

Which structure in the maize grain stores food?

A. Radicle
B. Embryo
C. Cytoplasm
D. Seed coat
E. Endosperm.

Question 1812:

• WAEC 1988

Which of the following does not occur during photosynthesis?

A. Energy from sunlight is absorbed
B. Carbondioxide is evolved
C. Glucose is synthesized
D. Oxygen is given
E. Water is split

Question 1813:

• WAEC 1988

Even though some flowering plants contain accessory pigments which give them colours they still contain
the pigment

A. Melanin
B. Chlorophyll
C. Xanthrophyll
D. Carotene
E. Chlorocruorin.

Question 1814:

• WAEC 1988

Which of the following is not regarded as a micro-nutrient or trace element for plant growth?

A. Phosphorus
B. Zinc
C. Boron
D. Silicon
E. Molybdenum

Question 1815:

• WAEC 1988

In a water culture experiment a plant showed poor growth and yellowing of the leaves. These symptoms
were probably due to the absence of

A. Calcium
B. Phosphorus
C. Iron
D. Zinc
E. Copper