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 1: Annelides differ from nematodas in that they Options:
  A) exhibits bilateral symmentry
  B) are triploblastic
  C) are metamerically segmented
  D) possess complete digestive system
  Show Answer
  The correct answer is C .
• Question 2: One of these is used for excretion in earthworm Options:
  A) Contractile vacuole
  B) Flame cell
  C) Malpighian tubule
  D) Nephridium
  Show Answer
  The correct answer is D .
• Question 3: A plant tissue that carries water and mineral salts is the Options:
  A) cambium
  B) xylem
  C) cortex
  D) phloem
  Show Answer
  The correct answer is B .
• Question 4: 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 5:

  

  What would happen if solution Y is more concentrated than solution X in fig 2?

  Options:
  A) The level of X would rise, Y would falls
  B) The level of X would rise, Y would rise
  C) The level of X and Y stands the same
  D) The level of Y would rise, X would fall.
  Show Answer
  The correct answer is D .
• Question 6: The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of Options:
  A) thick skin
  B) pentadactyl limb
  C) tail
  D) epidermal structure
  Show Answer
  The correct answer is B .
• Question 7: The organ located within the duodenal loop in the mamal is the Options:
  A) spleen
  B) pancreas
  C) liver
  D) gall bladder
  Show Answer
  The correct answer is B .
• Question 8: A multinucleate body without internal cell boundaries is characteristics Options:
  A) bryop
  B) fungi
  C) algae
  D) gymnosperms
  Show Answer
  The correct answer is B .
• Question 9: 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 10:

  Which gland is responsible for producing the hormone insulin?

  Options:
  A) Thyroid gland
  B) Pituitary gland
  C) Pancreas
  D) Adrenal gland
  Show Answer
  The correct answer is C .