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 1: In organism where the 2nd number of chromosomes is 16, the number of chromosomes in each gamete will be Options:
  A) 32
  B) 16
  C) 8
  D) 4
  Show Answer
  The correct answer is C .
• Question 2: The following organisms are hermaphrodites EXCEPT Options:
  A) snail
  B) Taenia
  C) Schistosoma
  D) Earth worm
  Show Answer
  The correct answer is C .
• Question 3:

  The greatest amount of energy would be obtained by the Oxidation of 100kg of

  Options:
  A) Meat
  B) Butter
  C) Sugar
  D) Biscuit
  Show Answer
  The correct answer is B .
• Question 4: Which of the substance listed below is a trace element of plants? Options:
  A) Potassium
  B) Sodium
  C) Copper
  D) Phosphate
  E) Nitrate
  Show Answer
  The correct answer is C .
• Question 5:

  Maltose is combination of glucose and

  Options:
  A) glucose
  B) sucrose
  C) Galactose
  D) fructose
  Show Answer
  The correct answer is A .
• Question 6: The supporting tissue in xylem is most poorly developed in Options:
  A) mangrove swamp plants
  B) grassland plants
  C) submerged water plants
  D) desert plants
  Show Answer
  The correct answer is C .
• Question 7: The division of a body into two equal halves along a longitudinal plane is called Options:
  A) bilateral symmetary
  B) transverse section
  C) radial symmetry
  D) longitudinal section
  Show Answer
  The correct answer is A .
• Question 8:

  

  The part that is similar to the bone is labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is D .
• Question 9: Which of the following animals is cold blooded Options:
  A) Cat
  B) Lizard
  C) Whale
  D) Bird
  E) Horse
  Show Answer
  The correct answer is B .
• Question 10:

  Which of the following is an example of conserving resources in an ecosystem?

  Options:
  A) Excessive use of chemical fertilizers in agriculture
  B) Introducing invasive species to an ecosystem
  C) Implementing sustainable fishing practices
  D) Cutting down trees for timber production
  Show Answer
  The correct answer is C .