Waec Biology Past Questions and Answers

Question 361:

• WAEC 1994

Which of the following plant diseases is indicated when grains of cereals are covered with a mass of
spores?

A. Smut
B. Mosaic
C. Maize streak
D. Fungal blast
E. Rust

Question 362:

• WAEC 1994

Which of the following structural features in animals does not affect control of body temperature?

A. Scales
B. Skin
C. Fur
D. Capillaries
E. Feathers

Question 363:

• WAEC 1994

The control of water and salt requirements of the body in order to maintain a stable internal environment
is known as

A. Osmosis
B. Excretion
C. Plasmolysis
D. Ultrafiltration
E. Homeostasis

Question 364:

• WAEC 1994

Which of the following is not a condition necessary for germination to occur in most seeds?

A. Water
B. Air
C. Activation of enzymes
D. Temperature
E. Soil fertility

Question 365:

• WAEC 1994

Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?

A. Long root with glandular hairs
B. Club-shaped glandular hairs on leaves
C. Prominent lenticel on the stem
D. Broad leaves with long spines
E. Wide stomata under the leaves