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 401:

  

  Which of the following is the correct order of the developmental stages?

  Options:
  A) 1->2->3->4->5
  B) 5->1->3->2->4
  C) 2->1->3->4->5
  D) 5->3->2->1->4
  Show Answer
  The correct answer is D .
• Question 402: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 403: The dark reaction of photosynthesis involves Options:
  A) fixation of carbon (IV) oxide to give six-carbon sugar
  B) fixation of carbon (IV) oxide with the help of oxygen
  C) use of carbon (IV) oxide to produce glucose using ATP
  D) fixation of carbon (IV) oxide on chlorophyll using hydrogen
  Show Answer
  The correct answer is C .
• Question 404:

  

  The diagram represents the structure of

  Options:
  A) proteins
  B) chromosomes
  C) RNA
  D) DNA
  Show Answer
  The correct answer is D .
• Question 405: The eye defect cause by the development of cloudy areas in the lenses is Options:
  A) presbyopia
  B) glaucoma
  C) cataract
  D) astigmatism
  Show Answer
  The correct answer is C .
• Question 406: The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1% CuSO₄ solution while shaking, indicates the presence of Options:
  A) protein
  B) carbohydrates
  C) fats
  D) reducing
  Show Answer
  The correct answer is A .
• Question 407: Which of the following is the lowest category of classification? Options:
  A) class
  B) species
  C) family
  D) genus
  Show Answer
  The correct answer is B .
• Question 408:

  

  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 409: A grass hopper respires by the means of its Options:
  A) Lung-books
  B) Gills
  C) Lungs
  D) Antennae
  E) Tracheal tubes
  Show Answer
  The correct answer is E .
• Question 410:

  A virus can sometimes be regarded as a living organism because it

  Options:
  A) causes diseases in plants and animals
  B) It exists in a variety of shapes
  C) Is easily visible with the aid of an electron microscope
  D) Reproduces in living cells
  Show Answer
  The correct answer is D .