Jamb Biology Past Questions For Year 2002
Question 41
The supporting tissue in xylem is most poorly developed in
- A. mangrove swamp plants
- B. grassland plants
- C. submerged water plants
- D. desert plants
Question 42
In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m2 quadrat. What is the density of the plants in the field?
- A. 1.2 per m2
- B. 2.4 per m2
- C. 4.8 per m2
- D. 9.6 per m2
Question 43
A step in the movement of energy through an ecosystem is a description that best fits the term
- A. food chain
- B. trophic level
- C. pyramid of numbers
- D. food web
Question 44
A feature of the caste system of bees and termites ia that
- A. the workers are sterile
- B. the kings are bigger than the queens
- C. only the worker perform duties
- D. nuptial flight is performed by all members
Question 45
Birds which are large with long straight pointed beaks, long necks and long legs are likely to be
- A. insect eaters
- B. fish catchers
- C. nectar feeders
- D. fruit eaters
