Jamb Biology Past Questions For Year 1993
Question 21
This lower jaw is typical of a
- A. sheep
- B. rabbit
- C. dog
- D. cat
Question 22
Which of the labelled parts is the diastema?
- A. 2
- B. 3
- C. 4
- D. 6
Question 23
The main function of the petal of a flower is to
- A. attract pollination agents
- B. protect the flower while still in bud
- C. serve as landing stage for insects
- D. protect the inner paisr from desiccation
Question 24
The bright colours of the comb and feathers in the peacock are for
- A. sex differenciation
- B. beauty
- C. courtship
- D. defence
Question 25
Which of the following is TRUE of the process of conjugation in paramecium?
- A. Micronucleus disintegrates
- B. Each ex-conjugant divides only once
- C. Macronucleus undergoes division
- D. Each micronucleus divides twice