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 81:

  

  At what stage in this cycle can man be infected?

  Options:
  A) 2
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 82:

  

  In the diagram, the structure labelled I is sensitive to

  Options:
  A) light and touch
  B) chemicals only
  C) light only
  D) chemicals and touch
  Show Answer
  The correct answer is A .
• Question 83: Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the Options:
  A) liver of humans
  B) reticuloendothelial cells of humans
  C) Malphigian tubules of mosquito
  D) brain of humans
  Show Answer
  The correct answer is A .
• Question 84:

  Which of the following is an evolutionary trend commonly observed in organisms?

  Options:
  A) Decreased complexity over time
  B) Increased dependence on external resources
  C) Increased genetic diversity within populations
  D) Decreased adaptation to the environment
  Show Answer
  The correct answer is C .
• Question 85: An association between bacteria and root nodules of legume is called Options:
  A) Commercialism
  B) mutualism
  C) parasitism
  D) saprophytism
  Show Answer
  The correct answer is B .
• Question 86:

  

  Use the diagram above to answer this question.

  The function of the structure labelled l is to

  Options:
  A) stimulate the development of secondary sexual characters
  B) prepare the body for any emergency
  C) maintain proper glucose concentration in the blood
  D) regulate the activities of other endocrine glands
  Show Answer
  The correct answer is D .
• Question 87: In eukaryotic cells,cellular respiration takes place in the Options:
  A) nucleus
  B) cytoplasm
  C) centrioles
  D) mitochondrion
  Show Answer
  The correct answer is D .
• Question 88: Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa Options:
  A) 4 → 1 → 2 → 3
  B) 4 → 3 → 2 → 1
  C) 4 → 2 → 1 → 3
  D) 4 → 2 → 3 → 1
  Show Answer
  The correct answer is C .
• Question 89: Which of the following food substance will produce a brick-red colour when warmed with Benedict's solution? Options:
  A) Glucose
  B) Starch
  C) Egg white
  D) Maltose
  Show Answer
  The correct answer is A .
• Question 90: Which one of the following statements about the mammalian kidney is false? Options:
  A) The glomerulus is formed by a branch of the renal artery
  B) The glomerulus is a part of uniferous tubules
  C) Tha bowmans capsule is in the cortex of the kidney
  D) The uniferous tubules are richly supplied with blood vessels
  E) The glomerulusis lodged in the bowmans capsule
  Show Answer
  The correct answer is B .