Search SchoolNGR

Friday, 16 October 2026
Register . Login

Biology Past Questions and Answers

Jamb 2002 Biology Questions

Question 11:
The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) is
  • A From mother to child
  • B Through blood transfusion
  • C Through sexual intercourse
  • D Through the sharing of needles
View Answer & Explanation
Question 12:
Plants tend to prevent overcrowding by means of efficient
  • A Water uptake
  • B Seed germination
  • C Pollination
  • D Seed dispersal
View Answer & Explanation
Question 13:
The physical and climatic factors of a region primarily determine the
  • A Kinds of animal inhabiting the area
  • B Types of plants found in the area
  • C Nature of the soil in that region
  • D Community of organisms in the region
View Answer & Explanation
Question 14:
A step in the movement of energy through an ecosystem is a description that best fits the term
  • A Food chain
  • B Trophic level
  • C Pyramid of numbers
  • D Food web
View Answer & Explanation
Question 15:
In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m2 quadrat. What is the density of the plants in the field?
  • A 1.2 per m<sup style='font-size: smaller;'>2</sup>
  • B 2.4 per m<sup style='font-size: smaller;'>2</sup>
  • C 4.8 per m<sup style='font-size: smaller;'>2</sup>
  • D 9.6 per m<sup style='font-size: smaller;'>2</sup>
View Answer & Explanation