Jamb Biology Past Questions For Year 2020
Question 1
In an agricultural ecosystem, the biotic component consist of
- A. crops, pests and beneficial insects
- B. crops, temperature and humidity
- C. pests, beneficial insects and water
- D. crops, water and soil
Question 2
Deamination occurs in the?
- A. Kidney
- B. Pancreas
- C. Spleen
- D. Liver
Question 3
The hormone which regulates the amount of glucose in the blood is called?
- A. Adrenalin
- B. Auxin
- C. Insulin
- D. Thyroxine
Question 4
The villus in the small intestine is significant because
- A. Increases the surface area for absorption
- B. increases the surface area for digestion
- C. assists in mixing digested food
- D. assists in filtering undigested food
Question 5
In which of the following does external fertilization take place?
- A. toad
- B. lizard
- C. bird
- D. cockroach