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 481: The best method of propagating sugarcane is by Options:
  A) Seeding sowing
  B) Layering
  C) Grafting
  D) Stem cuttings
  Show Answer
  The correct answer is D .
• Question 482: The main ecological problem facing intertidal organisms is Options:
  A) desiccation
  B) floatation
  C) salinity
  D) humidity
  Show Answer
  The correct answer is B .
• Question 483: 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 484: The absence of stomata shows that a leaf may be Options:
  A) from a floating plant
  B) from submerged plant
  C) varigated
  D) from a terrestrial plant
  E) from parasitic green plant
  Show Answer
  The correct answer is B .
• Question 485: 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 486: Nervous control differs from hormonal control in that the former Options:
  A) involves only chemical transmision
  B) is a lower process
  C) produces short-term changes
  D) has no specific pathway
  Show Answer
  The correct answer is C .
• Question 487:

  

  The structure labelled 2 is the

  Options:
  A) compound eye
  B) ocellus
  C) antenna
  D) labial palp
  Show Answer
  The correct answer is D .
• Question 488: The association between bacteria residing in the caecum and the ruminant is Options:
  A) parastitism
  B) predation
  C) saprophytism
  D) mutualism
  Show Answer
  The correct answer is D .
• Question 489: Which of the following is an example of active transport? Options:
  A) Oxygen exchanging between red blood cells and liver cells
  B) Carbon dioxide exchanging between muscle cells and red blood cells
  C) Water moving out of the small intestine
  D) Sodium being reabsorbed in the kidney
  Show Answer
  The correct answer is D .
• Question 490: Which of the following elements are necessary for the formation of chlorophyll in a plant? Options:
  A) magnesium and iron
  B) Calcium and potassium
  C) Calcium and sulphur
  D) Potasium and sulphur
  E) Phosphorus and potassium
  Show Answer
  The correct answer is A .