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 41: Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry Options:
  A) 1, 2, 3
  B) 1, 2, 5
  C) 2, 3, 5
  D) 2, 4, 5
  E) 1, 3, 5
  Show Answer
  The correct answer is A .
• Question 42: The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as Options:
  A) free-central placentation
  B) axile placentation
  C) parietal placentation
  D) marginal placentation
  Show Answer
  The correct answer is C .
• Question 43:

  Which of the following type of soil has the highest water retaining capacity?

  Options:
  A) Loam
  B) Laterite
  C) Clay
  D) Sand
  Show Answer
  The correct answer is C .
• Question 44:

  

  In the diagram, the organ through which the embryo receives food, water and oxygen is labelled

  Options:
  A) iii
  B) iv
  C) ii
  D) i
  Show Answer
  The correct answer is C .
• Question 45: IF an organism obtains its food by means of haustoria, it is said to be Options:
  A) holophytic
  B) heterophytic
  C) saprophytism
  D) parasitic
  Show Answer
  The correct answer is D .
• Question 46: Seed plants are the most dominant vegetation on land because of Options:
  A) their motile gamates
  B) their ability to photosynthesize
  C) efficient seed dispersal
  D) availability of water
  Show Answer
  The correct answer is C .
• Question 47: The scapula and the ischium are part of the Options:
  A) pectoral girdle
  B) pelvic girdle
  C) appendicular skeleton
  D) hind limb
  Show Answer
  The correct answer is C .
• Question 48: Size, colour and fingerprints are examples of ______ Options:
  A) physiological variation
  B) discontinuous variation
  C) morphological variation
  D) adaptive variation
  Show Answer
  The correct answer is C .
• Question 49: The presence of sunken stomata and the folding of leaves are adaptations to Options:
  A) Prevent entry of pathogens
  B) Reduce water loss
  C) Remove excess water
  D) Prevent guttation
  Show Answer
  The correct answer is B .
• Question 50: Which of the following is a dangerous product of coal burning? Options:
  A) Sulphur dioxide
  B) Carbon dioxide
  C) Carbon
  D) Nitrogen
  Show Answer
  The correct answer is A .