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 131: Which of the following combinations differentiates a bony fish from a cartilaginous fish? I. Presence of gills II. Absence of gill slits III. Possession of bony skeleton IV. Possession of laterally compressed body V. Possession of dorso-ventrally compressed body Options:
  A) I, II and III
  B) I, III and IV
  C) II, III and IV
  D) II, III and V
  Show Answer
  The correct answer is A .
• Question 132: The type of nutrition exhibited when organism lives on the body surface or inside the body of another type of organism is Options:
  A) Holozoic
  B) parasitic
  C) saprohytic
  D) carnivores
  Show Answer
  The correct answer is B .
• Question 133: The host of liver flake are ______? Options:
  A) pig and snail
  B) pig and sheep
  C) sheep and snail
  D) pig
  Show Answer
  The correct answer is B .
• Question 134:

  Which of the following is a mixed gland?

  Options:
  A) Pituitary
  B) Adrenal
  C) Pancreas
  D) Ovary
  Show Answer
  The correct answer is C .
• Question 135: Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat? Options:
  A) Turbidity
  B) Temperature
  C) pH
  D) Salinity
  Show Answer
  The correct answer is D .
• Question 136:
  

  Which of the labelled parts is the diastema?

  Options:
  A) 2
  B) 3
  C) 4
  D) 6
  Show Answer
  The correct answer is B .
• Question 137: Which of the following structure is adapted for feeding in a bird of prey? Options:
  A) Hooked break and sharp claws
  B) Smooth beak and strong claws
  C) Big beaks and strong feet
  D) Pointed beak and strong claws
  Show Answer
  The correct answer is A .
• Question 138: People who suck petrol with their mouths run the risk of increasing in their blood the concentration of Options:
  A) iron
  B) lead
  C) calcium
  D) magnesium
  Show Answer
  The correct answer is B .
• Question 139: The elephant grass is propagated vegetatively by means of Options:
  A) corms
  B) bubils
  C) suckers
  D) stolons
  Show Answer
  The correct answer is D .
• Question 140: During the dry season in the tropics, the body metabolism of some animals slows to a minimal level in a process referred to as Options:
  A) hibernation
  B) aestivation
  C) dormancy
  D) senescense
  Show Answer
  The correct answer is A .