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 1621: Which of the following is not a function of the mammalian skeleton? Options:
  A) Protection
  B) respiration
  C) Transportation
  D) Support
  Show Answer
  The correct answer is C .
• Question 1622: A centipede differs from a millipede by its Options:
  A) colour
  B) numerous abdominal segment
  C) paired legs on each abdominal segment
  D) poison claws
  E) cylindrical body
  Show Answer
  The correct answer is D .
• Question 1623: The transfer of pollen grains from the anther to a sigma is Options:
  A) propagation
  B) placentation
  C) pollination
  D) fertilization
  Show Answer
  The correct answer is C .
• Question 1624: An evidence of a common ancestral for fishes, amphibians, reptiles, birds and mammals is the Options:
  A) possession of wings by birds and bats
  B) cold-bloodedness of fishes, amphibians and reptile
  C) presence of gilll clefts in vertebrate embryos
  D) possession of scale by fish and reptiles
  Show Answer
  The correct answer is C .
• Question 1625:

  The curvature movement of plants in response to the stimulus of water is called

  Options:
  A) hydrotropism
  B) geotropism
  C) Phototropism
  D) thigmotropism
  Show Answer
  The correct answer is A .
• Question 1626: If an isolated living cell is left in distilled water for two hours, it is likely to Options:
  A) lose some of its water to the surrounding water
  B) lose all of its water to the surrounding water
  C) reproduce by binary fission
  D) become more turgid
  E) die due to excess water
  Show Answer
  The correct answer is D .
• Question 1627: Which of the following insects has an incomplete metamorphosis during its life circle? Options:
  A) Butterfly
  B) Bee
  C) Mosquito
  D) House-fly
  E) Grasshopper
  Show Answer
  The correct answer is E .
• Question 1628: Which of the following is NOT a waste product of plants? Options:
  A) Tannins
  B) Oxygen
  C) Carbondioxide
  D) Sap
  E) Alkaloids
  Show Answer
  The correct answer is D .
• Question 1629: In lizards, the lowering of the gular fold is used to Options:
  A) catch insects
  B) attract mates
  C) defend their territory
  D) frighten enemies
  Show Answer
  The correct answer is B .
• Question 1630: To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs to Options:
  A) feed the animals in the herd with more food
  B) cross-breed his animals with a different herd
  C) inbreed the animals in his herd
  D) prevent disease in herd
  Show Answer
  The correct answer is C .