Jamb Biology Past Questions For Year 1991
Question 31
After 30 minutes, the level of sugar solution in the above figure will?
- A. rise in x only
- B. rise in Y only
- C. be the same in X and Y
- D. fall in Y
Question 32
Which of the following can bring about the greatest increase in the rate of transpiration?
- A. Increased humidity
- B. Reduced temperature
- C. Reduced wind speed
- D. Reduced humidity
Question 33
A collection of achenes formed from several carpels of a flower is
- A. a multiple fruit
- B. an aggregate fruit
- C. a shizocarp
- D. a simple fruit
Question 34
The function of the epididymis in mammals is the
- A. expulsion of urine
- B. storage of sperms
- C. circulation of blood
- D. activation of sperms
Question 35
Which of the following vertebrae lacks a centrum?
- A. Atlas
- B. Axis
- C. Thoracic
- D. Lumbar
