Jamb Biology Past Questions For Year 1991
Question 41
Epigeal germination can be found in
- A. sorghum
- B. maize
- C. millet
- D. groundnut
Question 42
Vegetation propagation is described as asexual reproduction because
- A. reproductive organs are not involved
- B. new individuals are not formed
- C. many new plants are produced
- D. there is no exchange of genetic materials
Question 43
The above diagram represents a competitive interaction between organism in communities I and II. Which of the following statements is CORRECT?
- A. The population of I was higher than II at the beginning of the experiments
- B. II was wiped out from the enviroment at the end of the experiments
- C. The population of II was always lower than that of
- D. The population of I was lower at the end of the experiment than at the beginning
Question 44
Organisms in an ecosystem are usually grouped according to their trophic level as
- A. carnivores and epiphytes
- B. consumers and parasites
- C. producers and consumers
- D. producers and saprophytes
Question 45
The most important factors which influence an organism's way of life in its habitat are
- A. the physicals and biotic enviroment
- B. Food and water availability
- C. temperature, water, light and predator-prey relationship
- D. competition for food and spaces
