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 491:

  Which of the following distinguishes a butterfly from a moth?

  Options:
  A) the wings of butterfly rest horizontally but those of moth rest vertically
  B) Both are active during the day
  C) they have similar antennae
  D) the abdomen of moth is fatter than that of butterfly
  Show Answer
  The correct answer is D .
• Question 492: One of the most effective ways of controlling guinea worm is by Options:
  A) treating the disease
  B) public enlightenment campaigns
  C) accelerating rural developmnet
  D) provision of portable drinking water
  Show Answer
  The correct answer is D .
• Question 493: The carrier of the hereditary character in plants and animal is the Options:
  A) Cell
  B) Nucleus
  C) Chromosome
  D) Chloroplast
  E) Gene
  Show Answer
  The correct answer is C .
• Question 494: Example of competitors are Options:
  A) lizard and mouse
  B) snake and lizard
  C) grasshopper and mouse
  D) rabbit and snake
  Show Answer
  The correct answer is B .
• Question 495: The most important hormone that induces the ripening of fruit is Options:
  A) Ethylene
  B) Indole acetic acid
  C) Gibberallin
  D) Cytokinin
  Show Answer
  The correct answer is A .
• Question 496:

  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 497:

  

  In the diagram, the hawk is

  Options:
  A) an omnivore
  B) a primary consumer
  C) a tertiary consumer
  D) a scavenger
  Show Answer
  The correct answer is C .
• Question 498: The host of liver flake are ______? Options:
  A) pig and snail
  B) pig and sheep
  C) sheep and snail
  D) pig
  Show Answer
  The correct answer is B .
• Question 499: There will be agglutination when the Options:
  A) Group A serum mixes with Group A erythrocytes
  B) Group A serum mixes with group B erythrocytes
  C) Group AB serum mixes with Group O erythrocytes
  D) Group B serum mixes with Group B erythrocytes
  Show Answer
  The correct answer is B .
• Question 500: Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the Options:
  A) liver of humans
  B) reticuloendothelial cells of humans
  C) Malphigian tubules of mosquito
  D) brain of humans
  Show Answer
  The correct answer is A .