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 621:

  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 622: Movement of minerals and chemical compounds with a plant occurs during Options:
  A) osmosis
  B) translocation
  C) transpiration
  D) diffusion
  Show Answer
  The correct answer is B .
• Question 623: Which of the following is not a monocotyledonous seed? Options:
  A) cowpea
  B) maize
  C) millet
  D) what
  Show Answer
  The correct answer is A .
• Question 624:

  Competition among individuals of a population increases the

  Options:
  A) Number of organisms
  B) Availability of nutrient supplied
  C) Survival of the fittest
  D) Enlargement of the territory
  Show Answer
  The correct answer is C .
• Question 625: Which of the following is a feature of the population pyramid of a developing country? Options:
  A) long lifespan
  B) low birth rate
  C) low death rate
  D) short lifespan
  Show Answer
  The correct answer is C .
• Question 626: Airspace are characteristic of seeds of fruits dispersed by Options:
  A) birds
  B) water
  C) wind
  D) explosive mechanism
  Show Answer
  The correct answer is B .
• Question 627: An example of monohybride inheritance in man is Options:
  A) astigmatism
  B) cretinism
  C) hyperthyroidism
  D) albinism
  Show Answer
  The correct answer is D .
• Question 628:

  Which of the following eye defects is caused by the inability of the eye to focus light on the retina?

  Options:
  A) Glaucoma
  B) Myopia
  C) Cataracts
  D) Astigmatism
  Show Answer
  The correct answer is B .
• Question 629: Blood grouping in human beings is derived from combinations of Options:
  A) two different alleles
  B) four different alleles
  C) three different alleles
  D) two different genes
  Show Answer
  The correct answer is B .
• Question 630: The modification in structure, physiology and behaviour of plant and animal is called ______ Options:
  A) adaption
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is A .