Jamb Biology Past Questions For Year 2012
Question 1
In plants which of the following is required in minute quantities for growth?
- A. Copper
- B. Potassium
- C. Phosphorus
- D. Sodium
Question 2
In the mammalian male reproductive system, the part that serves as a passage for both urine and semen is the
- A. urethra
- B. urter
- C. bladder
- D. seminal vesicle
Question 3
Which of the following plant structures lacks a waterproof cuticle?
- A. leaf
- B. stem
- C. root
- D. shoot
Question 4
Plant growth can be artificially stimulated by the addition of
- A. gibberellin
- B. kinin
- C. abscisic acid
- D. ethylene
Question 5
An example of a fruit that develops from a single carpel is
- A. okro
- B. tomato
- C. bean
- D. orange
