Jamb Biology Past Questions For Year 1992
Question 26
In mammalian development, the function of the yolk is to
- A. supply nutrients to the embryo
- B. act as the shock-absorber to the foetus
- C. supply air to the embryo
- D. facilitates the process of excretion in the foetus
Question 27
Double fertilization in higher plants is significant because it ensures the
- A. formation of a fertile embryo
- B. formation of a fertile embryo and the endosperm
- C. developement of the seed
- D. developement of the fruit
Question 28
The function of the part labelled 1 is to
- A. secrete a fluid which lubricates the joint
- B. attach muscles to the bones at the joint
- C. bend the bones at the joint
- D. hold the joint in place
Question 29
A population is defined as a collection of similar organism that
- A. behave in the same way
- B. interbreed freely
- C. are found in the same habitat
- D. eat the same food
Question 30
Which of the following is true of climax community?
- A. it persists until the enviroment or climate changes
- B. it changes drastically from one year to the next
- C. it is first stage in succession
- D. It is made up of the tallest trees and the smallest
