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 1251:

  

  Use the diagram to answer the question that follows.

  The dentition is found in

  Options:
  A) rat
  B) dog
  C) sheep
  D) man
  Show Answer
  The correct answer is D .
• Question 1252: Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? Options:
  A) pH
  B) Salinity
  C) Water current
  D) Turbidity
  Show Answer
  The correct answer is A .
• Question 1253:

  

  In the diagram, the function of the correcting lens is to

  Options:
  A) diverge incoming rays
  B) converge incoming rays
  C) reflect incoming rays
  D) screen incoming rays
  Show Answer
  The correct answer is B .
• Question 1254:

  

  Use the diagram above to answer this question.

  Which of the following will be true of dog ll which lost its tail in an accident if it mates with dog lll.

  Options:
  A) None of its offspring will be born without a tail
  B) 3/4 of its offspring will be born without tails
  C) All its offspiring will be born without tails
  D) 1/4 of its offspring will be born without tails
  Show Answer
  The correct answer is A .
• Question 1255:

  

  Use the diagram above to answer this question.

  Which of the organisms represented are notable agricultural pests?

  Options:
  A) ll and IV
  B) l and IV
  C) ll and lll
  D) l and lll
  Show Answer
  The correct answer is B .
• Question 1256:

  

  The line that represents efficient recycling combined with stringent conservation is

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is A .
• Question 1257: The following distrupts the balance in an ecosystem except Options:
  A) afforestation
  B) deforestation
  C) migration
  D) pollution
  Show Answer
  The correct answer is A .
• Question 1258: Banana, plantain and pineapple can be grouped together because they Options:
  A) produce small seeds
  B) are multiple fruit
  C) produce suckers
  D) have runners
  E) have bulbils
  Show Answer
  The correct answer is C .
• Question 1259:

  

  The main function of 4 is to

  Options:
  A) surround inner tissues
  B) produce cork
  C) produce root hairs
  D) produce lateral roots
  E) produce more of 3
  Show Answer
  The correct answer is A .
• Question 1260: Which of the following insects has an incomplete metamorphosis during its life circle? Options:
  A) Butterfly
  B) Bee
  C) Mosquito
  D) House-fly
  E) Grasshopper
  Show Answer
  The correct answer is E .