Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 121: Soil with the finest particles is called Options:
  A) silt
  B) clay
  C) sand
  D) gravel
  Show Answer
  The correct answer is B .
• Question 122:

  Which of the following is an example of conserving resources in an ecosystem?

  Options:
  A) Excessive use of chemical fertilizers in agriculture
  B) Introducing invasive species to an ecosystem
  C) Implementing sustainable fishing practices
  D) Cutting down trees for timber production
  Show Answer
  The correct answer is C .
• Question 123: The parts of the mammalian eye that strongly bend light rays are the Options:
  A) cornea and the lens
  B) cornea and aqueous humour
  C) cornea and vitreous humour
  D) lens and aqueous humour
  E) lens and vitreous humour
  Show Answer
  The correct answer is E .
• Question 124: The translucency spot in food test shows the presence of Options:
  A) fats
  B) starch
  C) water
  D) protein
  Show Answer
  The correct answer is A .
• Question 125:

  Thunderstorm can be beneficial to plants because it

  Options:
  A) adds line to the soil
  B) kills the pest that attacks crops
  C) destroys some of the major crops
  D) adds nitrate to the soil
  Show Answer
  The correct answer is D .
• Question 126:

  

  Which parts provide food for the developing chick?

  Options:
  A) 2 and 3
  B) 4 and 5
  C) 3 and 4
  D) 2 and 5
  E) 1 and 2
  Show Answer
  The correct answer is C .
• Question 127:

  The display of male agama lizard is to?

  Options:
  A) scare predators
  B) regulate body temperature
  C) attract female for mate
  D) give invite to intruders
  Show Answer
  The correct answer is C .
• Question 128: The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain Options:
  A) animal rather than plant remains
  B) invertebrates rather than birds
  C) flowering plants rather than mosses
  D) reptiles rather than fishes
  Show Answer
  The correct answer is A .
• Question 129: Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable character as the parent because Options:
  A) seeds are not reliable for propagating plants
  B) uncontrolled out-crossing can introduced unwanted variability
  C) vegetative propagation is best form of reproduction of all crop
  D) seeds were not physiologically mature at the harvest
  Show Answer
  The correct answer is B .
• Question 130:

  Paternity disputes can most accurately be resolved through the use of

  Options:
  A) blood group typing
  B) finger printing
  C) tongue rolling
  D) DNA Analysis
  Show Answer
  The correct answer is D .