Waec Biology Past Questions For Year 2004
Question 41
Which of the following are consumers in these food chains?
- A. maize and rabbits
- B. chicken, rats and maize
- C. eagle, maize and snakes
- D. humans, eagle and snakes
Question 42
The drugs which inhibit the growth of disease-causing organisms and thus used in the treatment* of infections are
referred to as
- A. antibodies
- B. antibiotics
- C. antitoxic
- D. septics
Question 43
If a piece of abandoned farmland went through a series of floral and faunal changes and became established with
permanent plant and animal population, it could be said to have undergone
- A. transformation
- B. succession
- C. competition
- D. evolution
Question 44
Which of the following methods is best for the determination of population density of Tridax in an open held?
- A. transect
- B. quadrat
- C. Sweep-net
- D. pit-fall
Question 45
When a farmer sprays crops with a pesticide, the pesticide becomes
- A. poisonous to all plants
- B. is broken down by soil algae
- C. easily washed down into lakes and rivers
- D. absorbed by bodies of mammals
