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 911:

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

  Options:
  A) pooter
  B) pitfall trap
  C) quadrant
  D) sweep net
  Show Answer
  The correct answer is C .
• Question 912: Which of the following can bring about the greatest increase in the rate of transpiration? Options:
  A) Increased humidity
  B) Reduced temperature
  C) Reduced wind speed
  D) Reduced humidity
  Show Answer
  The correct answer is D .
• Question 913: If an animal is very active and has good muscular control, it is likely to have well-developed Options:
  A) Olfactory lobes
  B) Cerebral hemisphere
  C) Optic lobes
  D) Cerebellum
  E) Spinal cord
  Show Answer
  The correct answer is D .
• Question 914:

  Cytokinesis of mitosis is a process that ensures that

  Options:
  A) each daughter cell gets the necessary organelles
  B) there is distribution of a complete set of genes into each daughter cell
  C) daughter cell inherit new genetic combinations
  D) worn out organelles are excluded from daughter cells
  Show Answer
  The correct answer is B .
• Question 915:

  

  The gas occupying the space labelled I is

  Options:
  A) carbon (IV) oxide
  B) nitrogen
  C) hydrogen
  D) oxygen
  Show Answer
  The correct answer is D .
• Question 916: 2H₂ → 2H₂ + O_2(g). The equation above represents a part of the light stage of photosynthesis. Which of the following must be presents for this reaction to occur? Options:
  A) Enzyme and light energy
  B) Carbondioxide and light energy
  C) Light energy and cholorphyll
  D) Chlorophyll and enzyme
  Show Answer
  The correct answer is C .
• Question 917:

  An example of a radially symmetrical organisms is

  Options:
  A) Planaria
  B) Hydra
  C) Tapeworm
  D) Roundworm
  Show Answer
  The correct answer is B .
• Question 918: A soil consisting of alumina and iron (II)oxide is known as Options:
  A) loamy soil
  B) clayey soil
  C) laterite
  D) podzol
  Show Answer
  The correct answer is C .
• Question 919:

  

  Use the diagram above to answer this question. The male inflorescence is labelled

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is A .
• Question 920:

  Possession of thin membrane enables a tapeworm to

  Options:
  A) Fasten themselves to the wall of the host's intestine
  B) Lay numerous eggs
  C) Absorb digested food from the host's intestine to their system
  D) Shield themselves inside the host's intestine with anti-enzymes in order to avoid being digested
  Show Answer
  The correct answer is C .