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 1011:

  

  The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is A .
• Question 1012:

  Reading the verdict of a case by a magistrate is an example of

  Options:
  A) A reflex action
  B) An instinct
  C) A conditioned reflex
  D) A voluntary action
  Show Answer
  The correct answer is D .
• Question 1013: The hypha of Rhizopus is said to be non septate because it Options:
  A) does not contain chlorophyll
  B) has no cross walls
  C) is vacuolated
  D) stores oil globules
  Show Answer
  The correct answer is B .
• Question 1014: Which of these is not true? grass in the above food chain Options:
  A) trap all the sunlight
  B) trap a small percent of the sun energy
  C) are primary producers
  D) are eaten by primary consumers
  E) contains chlorophyll
  Show Answer
  The correct answer is A .
• Question 1015:

  

  The part labelled II is

  Options:
  A) pellicle
  B) cytoplasmic connections
  C) flagella
  D) cells
  Show Answer
  The correct answer is B .
• Question 1016:

  Swollen, bleeding gums are another common sign of which vitamin?

  Options:
  A) Vitamin K
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
  Show Answer
  The correct answer is C .
• Question 1017:

  Which of the following represents an example of ecological management and conservation through a biological association?

  Options:
  A) Construction of a dam for hydroelectric power
  B) Introduction of an invasive species for pest control
  C) Clear-cutting of a forest for timber extraction
  D) Establishment of marine protected areas
  Show Answer
  The correct answer is D .
• Question 1018: The natural process that produces adaptive evolutionary changes is Options:
  A) Mutation
  B) Gene flow
  C) Genetic drift
  D) Natural selection
  Show Answer
  The correct answer is D .
• Question 1019:

  

  What would happen if solution Y is more concentrated than solution X in fig 2?

  Options:
  A) The level of X would rise, Y would falls
  B) The level of X would rise, Y would rise
  C) The level of X and Y stands the same
  D) The level of Y would rise, X would fall.
  Show Answer
  The correct answer is D .
• Question 1020: The mode of nutrition exhibited by a tapeworm is Options:
  A) symbiotic
  B) saprophytic
  C) parasitic
  D) holozoic
  Show Answer
  The correct answer is C .