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 191:

  In which of the following vertebrates does the skin function as a respiratory surface

  Options:
  A) rat
  B) lizard
  C) fish
  D) frog
  Show Answer
  The correct answer is D .
• Question 192: Breathing root is an adaptation for survival in the Options:
  A) mangrove swamp
  B) desert
  C) arboreal habitat
  D) savanna
  Show Answer
  The correct answer is A .
• Question 193: A germinating seed requires oxygen which is essential for Options:
  A) converting carbonhydrate into glucose
  B) Transporting energy from part of the plant to another
  C) The production of energy by oxidising essential carbonhydrate
  D) hydrolysis of protein
  E) The formation of water molecules within the germinating seed
  Show Answer
  The correct answer is C .
• Question 194:

  Which of the following is a behavioural adaptation that protects prey from predators?

  Options:
  A) Hibernation
  B) Shedding of leaves
  C) Secreting irritating fluid
  D) Dormancy
  Show Answer
  The correct answer is C .
• Question 195: In vascular plants, the sieve tubes and companion cells are present in the Options:
  A) cambium
  B) cortex
  C) xylem
  D) phloem
  Show Answer
  The correct answer is D .
• Question 196: The absence of anti-diuretic hormone in humans results in Options:
  A) decreasing dehydration
  B) drastic dehydration
  C) eliminating dehydration
  D) increasing dehydration
  Show Answer
  The correct answer is D .
• Question 197: Haemophilia results from the mutation of the genes Options:
  A) in the sex chromosome
  B) which control skin colour
  C) which control the mechanism for blood-clotting
  D) which control the formation of haemoglobin
  Show Answer
  The correct answer is C .
• Question 198:

  Which of the following describes an example of fertilization in higher organisms?

  Options:
  A) Fusion of sperm and egg nuclei
  B) Pollen grain landing on a sticky stigma
  C) Ejaculation of the egg and pollen grain
  D) Ejaculation of sperm into the female body
  Show Answer
  The correct answer is A .
• Question 199: 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 200:

  

  Use the diagram below to answer the question that follow:

  The diagram represents a

  Options:
  A) Hygrometer
  B) Wind vane
  C) Anemometer
  D) Rain gauge
  Show Answer
  The correct answer is C .