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 1971: The region that control most of the unconscious processes of a mammalian body is the Options:
  A) cerebellum
  B) cerebrum
  C) spinal cord
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 1972: A few grams of dried soil were first heated until red hot and then further heated until no more smoke was released. This experiment was to determine Options:
  A) amount of water in soil
  B) percentage of water in soil
  C) presence of humus in soil
  D) resistance of laterities to heat
  E) release of smoke from the soil
  Show Answer
  The correct answer is C .
• Question 1973:

  

  Which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 1974: A plant which grows on another plant without apparent harm to the host plant is called Options:
  A) a parasite
  B) an epiphyte
  C) a saprophyte
  D) a predator
  E) a hermaphrodite
  Show Answer
  The correct answer is B .
• Question 1975:

  Which of the following factors primarily affects the distribution of organisms in an ecosystem

  Options:
  A) Wind speed
  B) Soil pH
  C) Temperature
  D) Day length
  Show Answer
  The correct answer is C .
• Question 1976:

  

  In which of the habitats will plants show xeromorphic features most prominently?

  Options:
  A) X
  B) R
  C) P
  D) Q
  Show Answer
  The correct answer is A .
• Question 1977:

  

  In the diagram, the eye defect illustrated is

  Options:
  A) myopia
  B) hypermetropia
  C) astigmaism
  D) cataract
  Show Answer
  The correct answer is B .
• Question 1978: Which enzymes are contained in the pancreatic juice? Options:
  A) Ptayalin, lipase and pepsin
  B) Maltase, erepsin and trypsin
  C) Renin, sucrase and lipase
  D) Amylase, lipase and trypsin
  Show Answer
  The correct answer is D .
• Question 1979: which of these diseases cannot be controlled by killing the vector? Options:
  A) River blindness
  B) Malaria
  C) Polio
  D) Cholera
  E) Bilharzia (shistosoma)
  Show Answer
  The correct answer is C .
• Question 1980: One of the characteristics of plants in the savanna is the Options:
  A) possession of thin, smoth barks
  B) possession of large tap root
  C) production of seedlings on mother plant
  D) possession of thick, flaky bark
  Show Answer
  The correct answer is D .