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 161:

  The vitamin which is important in the formation of the retina pigment is

  Options:
  A) Vitamin A
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
  Show Answer
  The correct answer is A .
• Question 162: Which of the following is one of Lamarck's theories? Options:
  A) Some variations are more favourable to existence in a given environment than others
  B) All living organisms are constantly involved in a struggle to existence
  C) The size of a given population remains fairly constant
  D) New species originates through the inheritance of acquired traits
  Show Answer
  The correct answer is D .
• Question 163: The physical space occupied by an organism together with its functional role in community can be described as Options:
  A) environment
  B) biome
  C) niche
  D) habitat
  Show Answer
  The correct answer is C .
• Question 164: Incomplete metamorphosis occurs in the Options:
  A) butterfly
  B) grasshopper
  C) mosquito
  D) housefly
  Show Answer
  The correct answer is B .
• Question 165: Which of the following characters is NOT sex-linked? Options:
  A) Albinism
  B) Baldness
  C) Haemophilia
  D) Colour blindness
  Show Answer
  The correct answer is A .
• Question 166: An arthropod that is destructive at early stage of its life cycle is Options:
  A) butterfly
  B) mosquito
  C) bee
  D) millepede
  Show Answer
  The correct answer is A .
• Question 167:

  Only specially adapted micro-organisms are found in

  Options:
  A) Salty water
  B) Humid air
  C) Moist soil
  D) Mouth cavities
  Show Answer
  The correct answer is A .
• Question 168: Which of the following animals can exist solely on the water they get from food and metabolic reactions? Options:
  A) forest arboreal dweller
  B) Desert dwellers
  C) forest-ground dweller
  D) rainforest dwellers
  Show Answer
  The correct answer is B .
• Question 169:

  

  Use the diagram above to answer this question.

  Which of the organisms represented are notable agricultural pests?

  Options:
  A) ll and IV
  B) l and IV
  C) ll and lll
  D) l and lll
  Show Answer
  The correct answer is B .
• Question 170: What would happen to a man whose pancreas has been surgically removed? Options:
  A) The level of blood sugar would increase
  B) The glycogen content of the liver would increase
  C) His blood pressure would decrease
  D) His weight would increase appreciably
  Show Answer
  The correct answer is A .