Jamb Biology Past Questions For Year 2021
Question 1
Some of the features of an animal are scales, teeth, nares, and backbone. The animal is likely to be a?
- A. toad
- B. bird
- C. lizard
- D. rat
Question 2
Which of the statements below is not characteristic of wind-pollinated flowers?
- A. Stigmas are usually large and feathery
- B. Nectary is usually absent
- C. The pollen grains have rough spiny surfaces
- D. The flowers are not scented.
Question 3
One of the functions of the xylem is?
- A. strengthening the stem
- B. manufacturing food
- C. reducing loss of water
- D. conducting manufactured food
Question 4
The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35mI. The percentage water content of the fully soaked soil is therefore?
- A. 46.7
- B. 25.0
- C. 20.0
- D. 30.0
Question 5
Which of the following is NOT regarded as a pollutant on land or in the air?
- A. Smoke
- B. Nitrogen
- C. Noise
- D. Sulphur dioxide
