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 21:

  Which of the following is most advanced in the evolutionary trend of animals?

  Options:
  A) Liverfluke
  B) Earthworm
  C) Snail
  D) Cockroach
  Show Answer
  The correct answer is D .
• Question 22: The features that makes locomotion in water easy for fish is the Options:
  A) scaly body
  B) slimy body
  C) streamlined body
  D) lateral line
  Show Answer
  The correct answer is C .
• Question 23: A potometer is used to determine the rate at which a shoot Options:
  A) respires
  B) sucks air bubbles
  C) loses weight
  D) absorbs water
  E) transpires
  Show Answer
  The correct answer is E .
• Question 24: Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they Options:
  A) enrich the soil with phoshates
  B) provide animals with food
  C) enrich the soil with organic nitrogen
  D) protect the soil from being over-heated
  E) protect the micro organisms in the soil
  Show Answer
  The correct answer is C .
• Question 25: Which of the following is the end product of the digestion of oil Options:
  A) glucose
  B) Glycerol
  C) amino acid
  D) glycogen
  Show Answer
  The correct answer is B .
• Question 26: The vector of the malaria parasite is the Options:
  A) female anopheles mosquito
  B) female culex mosquito
  C) male anopheles mosquito
  D) male culex mosquito
  Show Answer
  The correct answer is A .
• Question 27: The adaptive importance of the nuptial flight from termite colonies is to Options:
  A) ensure cross-breeding between members of one colony and another
  B) disperse the reproductives in order to establish new colonies
  C) provide abundant food for birds and other animals during the early rains
  D) expel the reproductives so as to provide enough food for other members
  Show Answer
  The correct answer is B .
• Question 28: Complex social behaviour and organization are found mostly in Options:
  A) insects
  B) birds
  C) reptiles
  D) mammals
  Show Answer
  The correct answer is D .
• Question 29: An example of a poikilothermic organism is a Options:
  A) Lizard
  B) Cockroach
  C) rabbit
  D) bird
  Show Answer
  The correct answer is A .
• Question 30:

  

  In H, the cotyledons are carried above the soil because

  Options:
  A) the epicotyl grows faster than the hypocotyl
  B) the hypocotyl grows faster than the epicotyl
  C) both grow at the same rate
  D) the epicotyl outgrow the radicle
  Show Answer
  The correct answer is B .