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 131: Which of these organisms partly digest its food extracellularly? Options:
  A) Housefly
  B) Cockroach
  C) Termite
  D) Mosquito
  Show Answer
  The correct answer is C .
• Question 132: Neurons that receive stimuli from the body or internal organs are called Options:
  A) sensory neurons
  B) efferent neurones
  C) motor neurones
  D) relay neurones
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  The correct answer is A .
• Question 133:

  Which of the following traits is not visible in a person with Down syndrome?

  Options:
  A) Short neck
  B) High muscle tone
  C) Small stature
  D) Slant eyes
  Show Answer
  The correct answer is B .
• Question 134:

  Which of the following is a primary source of pollution in aquatic ecosystems?

  Options:
  A) Soil erosion
  B) Industrial discharge
  C) Air pollution
  D) Deforestation
  Show Answer
  The correct answer is B .
• Question 135:

  

  In the diagram, the part marked I will contain a high concentration of

  Options:
  A) ascorbic acid
  B) abscisic acid
  C) ethylene
  D) auxin
  Show Answer
  The correct answer is D .
• Question 136:

  In a population of living things, the parameters of size, height, weight and colours are examples of

  Options:
  A) continuous variation
  B) non-heritable variation
  C) discontinuous variation
  D) physiological variation
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  The correct answer is A .
• Question 137: Birds maintain their body temperature with the help of their Options:
  A) blood which maintains constant temperature
  B) feathers which cover the body
  C) skin which conserves moisture
  D) veins which transport fluid of constant temperature to all body tissues
  Show Answer
  The correct answer is B .
• Question 138:

  The period of inactivity seen in some animals during long period of heat or drought is

  Options:
  A) Migration
  B) Aestivation
  C) Hibernation
  D) Adaptation
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  The correct answer is B .
• Question 139: The interaction of a community of organisms with its abiotic environment constitutes Options:
  A) niche
  B) a food chain
  C) an ecosystem
  D) a mirohabitat
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  The correct answer is C .
• Question 140: A flower showing radial symmetry is said to be Options:
  A) pentamerous
  B) protandrous
  C) protogynous
  D) actinomorphic
  Show Answer
  The correct answer is D .