Jamb Biology Past Questions For Year 2016
Question 1
Which of the following plant hormones is responsible for the ripening of fruits?
- A. Gibberellins
- B. Abscisic acid
- C. Ethylene
- D. Cytokinins
Question 2
When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be
- A. isotonic
- B. dilute
- C. hypotonic
- D. hypertonic
Question 3
The insects in which the maxillae are modified into a long coiled proboscis is
- A. housefly
- B. butterfly
- C. mosquito
- D. grasshopper
Question 4
Which of the following conditions is NOT necessary for photosynthesis to take place?
- A. ChlorophyII
- B. Light
- C. Carbon(II)oxide
- D. Carbon(IV)oxide
Question 5
which of the following is an agent of a sexually transmitted disease?
- A. Entamoeba histolytica
- B. Salmonella typhi
- C. Treponema pallidum
- D. Clostridium tetani
