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 2141: Which of the following statements about the rate of transpiration is INCORRECT? It is Options:
  A) Dependent on temperature
  B) Affected by changes in light intensity
  C) Unaffected by humidity
  D) Dependent on air movement
  E) Affected by availability of water
  Show Answer
  The correct answer is C .
• Question 2142: Proboscis is a structure that is mostly found in Options:
  A) insects
  B) tapeworms
  C) amphibians
  D) molluses
  Show Answer
  The correct answer is A .
• Question 2143: The group of insects that undergoes complete metamorphosis is Options:
  A) houseflies, beetles and cockroaches
  B) cockroaches, grasshoppers and bees
  C) houseflies, beetles and butterflies
  D) aphids, grasshopper and butterflies
  Show Answer
  The correct answer is C .
• Question 2144: In mammals, the organ which performs digestive and endocrine functions is the Options:
  A) liver
  B) pancreas
  C) gastric gland
  D) salivary gland
  Show Answer
  The correct answer is B .
• Question 2145:
  

  The structure labelled 5 is used for

  Options:
  A) protein synthesis
  B) energy production
  C) secretion
  D) excretion
  Show Answer
  The correct answer is C .
• Question 2146:

  A population is best described as

  Options:
  A) A group of the same species of organisms living together
  B) A group of animals and plants living together
  C) A group of insects and grasses
  D) Different species of wild animals
  Show Answer
  The correct answer is A .
• Question 2147: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 2148: For effective functioning of a bird's quill feather, hooks fit on the ridge of the Options:
  A) Vane
  B) rachis
  C) barbules
  D) barbs
  Show Answer
  The correct answer is C .
• Question 2149:

  

  Use the diagram above to answer this question.

  The optimum temperature for the growth of the organism is

  Options:
  A) 25^oC
  B) 50^oC
  C) 75^oC
  D) 100^oC
  Show Answer
  The correct answer is B .
• Question 2150: A person that is obese must avoid meals containing Options:
  A) `carrots and oranges
  B) margarine and butter
  C) beaf and beans
  D) rice and yam
  Show Answer
  The correct answer is B .