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:

  Which of the following are components of glomerular filtrate?

  Options:
  A) All the components of blood except mineral salts
  B) Water and salt only
  C) All the components of blood except plasma protein and cells
  D) Blood cells, amino acid, salts and nitrogenous wastes
  Show Answer
  The correct answer is C .
• Question 42:

  

  Use the diagram above to answer this question.

  In which plantation are all the trees between the height of 2-4m?

  Options:
  A) lll
  B) ll
  C) l
  D) lV
  Show Answer
  The correct answer is A .
• Question 43:

  

  Which of the labelled parts is the venga caval opening?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 44: One advantage of variation in a species population is that individuals Options:
  A) with favoured traits become dominant
  B) easily reach their reproductive age
  C) are easily recognised by mates
  D) are better adapted to changes
  Show Answer
  The correct answer is A .
• Question 45: Heat produced in tissue respiration in plants is Options:
  A) a chemical form of energy
  B) the only form of energy
  C) the main form of energy
  D) a useful form of energy
  E) a waste form of energy
  Show Answer
  The correct answer is A .
• Question 46:

  

  The structure labelled Y is the
  Options:
  A) food vacuole
  B) nucleolous
  C) macronucleus
  D) contractile vacuole
  Show Answer
  The correct answer is C .
• Question 47:

  The bright colours of the comb and feathers in the peacock are for?

  Options:
  A) sex differentiation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 48: Which of the following diseases is NOT caused by a virus? Options:
  A) Rinderpest
  B) Maize rust
  C) Newcastle diseases
  D) Swine fever
  E) Cassava mosaic diseases
  Show Answer
  The correct answer is B .
• Question 49: In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by Options:
  A) puterfying bacteria
  B) nitrogen-fixing bacteria
  C) nitrifying bacteria
  D) denitrifying bacteria
  Show Answer
  The correct answer is D .
• Question 50:

  

  The figure above is a section of a drupe. The part numbered 2 is

  Options:
  A) epicarp
  B) endocarp
  C) mesocarp
  D) seed
  E) pericarp
  Show Answer
  The correct answer is C .