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 571:

  

  Use the diagram to answer the question that follows:

  The structure is adapted for

  Options:
  A) omnivores
  B) herbivores
  C) canivores
  D) omnivores and canivore
  Show Answer
  The correct answer is A .
• Question 572:

  The temporary union of two organisms and the exchange of micronuclear elements is called

  Options:
  A) Conjugation
  B) Binary fusion
  C) Extrapolation
  D) Interexchange
  Show Answer
  The correct answer is A .
• Question 573:

  

  In the diagram, the species whose distribution is not affected by rainfall is

  Options:
  A) ii
  B) iv
  C) i
  D) iii
  Show Answer
  The correct answer is A .
• Question 574: The crossing of individuals of the same species with different genetic characters is Options:
  A) cross breeding
  B) polygenic inheritance
  C) non-disjunction
  D) inbreeding
  Show Answer
  The correct answer is D .
• Question 575: The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the Options:
  A) veins
  B) right auricle
  C) arteries
  D) left ventricle
  Show Answer
  The correct answer is D .
• Question 576: A corn differs from a bulb in that Options:
  A) its stem is the main food storage organ
  B) it has a flattened discshaped stem
  C) buds are absent in the axils of the leaves
  D) adventitious roots are present
  Show Answer
  The correct answer is A .
• Question 577: Which of the following characters is NOT sex-linked? Options:
  A) River blindness
  B) Baldness
  C) Haemophilia
  D) Colour blindness
  Show Answer
  The correct answer is A .
• Question 578:

  Which of the following statements best describes the role of competition in the process of adaptation?

  Options:
  A) Competition leads to the selection of individuals with favorable traits for survival and reproduction
  B) Competition ensures equal distribution of resources among individuals in a population
  C) Competition leads to the development of new traits and adaptations in a population
  D) Competition reduces the need for adaptations as individuals coexist peacefully
  Show Answer
  The correct answer is A .
• Question 579:

  Tall trees with buttress roots and evergreen leaves are characteristics features of?

  Options:
  A) temperate grass land
  B) Southern Guinea Savanna
  C) tropical rain forests
  D) Northern Guinea savanna
  Show Answer
  The correct answer is C .
• Question 580: Fehling's solution will readily change colour from blue to reddish colour when it is Options:
  A) mixed with sugar solution in the cold
  B) warmed or heated by itself
  C) mixed with reducing sugar in the cold
  D) warmed or heated with complex solution
  E) warmed with a solution of reducing sugar
  Show Answer
  The correct answer is E .