Jamb Biology 2018 Past Questions and Answers

Question 21:

• JAMB 2018

A seed of a flowering plant can best be described as

A. Radicle and plumule
B. The developed ovule
C. The embryo and endosperm
D. Developed ovary

Question 22:

• JAMB 2018

Which of the following processes removes carbon from the atmosphere?

A. Putrefaction
B. Photosynthesis
C. Volcanic eruption
D. Burning of fuels

Question 23:

• JAMB 2018

Which of the following cycles involves the process of precipitation and transpiration?

A. Water cycles
B. Carbon cycle
C. Nitrogen cycle
D. Oxygen cycle

Question 24:

• JAMB 2018

What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem?

A. Availability of nutrients
B. Availability of water
C. Intensity of light
D. Carbon dioxide concentration

Question 25:

• JAMB 2018

Which of the following instruments is used to estimate the number of plants in a habitat?

A. Pooter
B. Pitfall trap
C. Quadrant
D. Sweep net