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 181: If R and r, denotes the genes for a character, the offspring of the cross between RR and Rr are Options:
  A) RR, 2Rr, rr
  B) 2RR, 2rr, 2rr
  C) 2RR, 2Rr
  D) 4Rr
  Show Answer
  The correct answer is C .
• Question 182:

  

  Use the diagram above to answer this question.

  Based on the shape and structure of the beak and feet, the bird represented is likely to feed mainly on

  Options:
  A) flesh
  B) fruits
  C) seeds
  D) nectar
  Show Answer
  The correct answer is A .
• Question 183: Environmental pollutants which can work through the media of water, soil and air include Options:
  A) carbon monoxide
  B) noise
  C) sulphur(IV)oxide
  D) smoke
  Show Answer
  The correct answer is C .
• Question 184: All living cells require water because it Options:
  A) is a medium for all metabolic reactions
  B) is a medium that neutralizes the acids in cells
  C) is the main source of energy for the cell
  D) prevents the development of dieseases in cells
  Show Answer
  The correct answer is A .
• Question 185:

  

  Re-absorption of useful materials takes place in the part labelled

  Options:
  A) 1 and 3
  B) 3 and 5
  C) 5 and 6
  D) 6 and 7
  E) 2 and 4
  Show Answer
  The correct answer is E .
• Question 186: The axial skeleton of a mammal does not include the bones of the Options:
  A) skull
  B) tail
  C) limbs
  D) back
  E) neck
  Show Answer
  The correct answer is C .
• Question 187:

  

  Which structure is the glomerulus?

  Options:
  A) 5
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is B .
• Question 188:

  Which of the following will have the least effect on the rate of change of the numbers in a population

  Options:
  A) Mutation
  B) Food Supply
  C) Disease
  D) Predation
  Show Answer
  The correct answer is A .
• Question 189:

  

  The main reservoir of water in the circle is the

  Options:
  A) cloud
  B) ground water
  C) plant
  D) ocean
  Show Answer
  The correct answer is D .
• Question 190: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of Options:
  A) wings and segmented body
  B) compound eyes
  C) claws on the leg
  D) dorso-ventrally flattened body
  Show Answer
  The correct answer is D .