Waec Biology Past Questions and Answers

Question 401:

• WAEC 1995

Which of the following is an advantage of dispersal of fruits and seeds? It allows

A. Fair distribution of source of food for animals
B. Growth in close association with parent plant
C. Even distribution of plants and reduction of intraspecific competition
D. Keen competition for food
E. The seeds to evolve new species

Question 402:

• WAEC 1995

The series of changes that occur in a seed by which the embryo develops into a seedling is known as

A. Fertilization
B. Gametogenesis
C. Pollination
D. Germination
E. Regeneration

Question 403:

• WAEC 1995

Which of the following organisms has a symbiotic relationship with green algae?

A. Amoeba
B. Paramecium
C. Hydra
D. Euglena
E. Chlamydomonas

Question 404:

• WAEC 1995

At the end of photosynthesis, the green leaf is tested for starch and not glucose, because

A. The glucose is used up immediately to provide energy for the needs of the leaf
B. The glucose formed is immediately converted to starch
C. Starch is stored only in leaves
D. There are no chemicals for glucose test in leaves
E. It is easy to test for starch

Question 405:

• WAEC 1995

Which of these processes removes carbon from the atmosphere?

A. Putrefaction of animals
B. Burning of fuels
C. Photosynthesis
D. Volcanic eruption
E. Respiration in plants