Biology Past Questions And Answers
The cell walls of bacteria, plants, and fungi are of varying composition. Bacterial cells are composed of __________.
- A. glycogen
- B. cellulose
- C. chitin
- D. peptidoglycan
Viviparity refers to the reproductive strategy in which
- A. Offspring are produced by internal fertilization
- B. Offspring are produced by external fertilization
- C. Offspring develop and are nourished inside the female's body
- D. Offspring develop and are nourished outside the female's body
In terms of the number of individuals, which of the following taxa is most inclusive?
- A. order
- B. family
- C. class
- D. species
(a) Explain why an athlete in a race would be given a glucose drink rather than a piece of bread.
(b) Outline the test for starch in a given food substance.
(c) State five reasons why water is important in human diet.
View Discussion (0)WAEC 2009 THEORYWhich of the following features is a characteristic of aquatic plants possession of ?
- A. multiple epidermis
- B. heavily lignified tissue
- C. finely divided leaves
- D. succulent stem
Animal cells are different from plant cells because animal cells have
- A. definite cell wall
- B. large vacuole
- C. centrioles
- D. Chloroplast
The biological factor that is unique to each individual is the
- A. DNA
- B. eye colour
- C. blood group
- D. RNA
Which of the following is the underlining Principle in the adoption of biological control of pests?
- A. Knowledge of agricultural practices by the farmer
- B. Relationship between plants and animals
- C. The presence of poisonous chemicals in the farm
- D. The predator prey relationship in ecological community
The elephant grass is propagated vegetatively by means of
- A. corms
- B. bubils
- C. suckers
- D. stolons
Which part of the gill of fish is involved in gaseous exchange?
- A. Gill slits
- B. Gill bars
- C. Gill covers
- D. Gill filaments