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 1491: Which of the following insects lays its eggs in horny, purse-like cases? Options:
  A) Mosquito
  B) Butterfly
  C) Termite
  D) Cockroach
  Show Answer
  The correct answer is D .
• Question 1492:

  The growth of mucor on a piece of bread is?

  Options:
  A) scavenging
  B) commensalism
  C) autotrophism
  D) saprophytism
  Show Answer
  The correct answer is D .
• Question 1493: The association between bacteria residing in the caecum and the ruminant is Options:
  A) parastitism
  B) predation
  C) saprophytism
  D) mutualism
  Show Answer
  The correct answer is D .
• Question 1494:

  The damage to ozone layer is caused by

  Options:
  A) Oxygen
  B) Nitrogen oxide
  C) Chlorofluorocarbons
  D) sulphur dioxide
  Show Answer
  The correct answer is C .
• Question 1495: The type of reproduction that is common to both Hydra and yeast Options:
  A) conjugation
  B) binary fission
  C) grafting
  D) budding
  Show Answer
  The correct answer is D .
• Question 1496:

  Which of the following statements best describes courtship behaviors in animals?

  Options:
  A) Courtship behaviors are solely performed by males to establish dominance within a social group
  B) Courtship behaviors involve displays and rituals performed by both males and females to attract a mate
  C) Courtship behaviors are primarily performed by females to attract males for mating
  D) Courtship behaviors are aggressive interactions between males competing for a female mate
  Show Answer
  The correct answer is B .
• Question 1497: 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 1498: The following organisms are hermaphrodites EXCEPT Options:
  A) snail
  B) Taenia
  C) Schistosoma
  D) Earth worm
  Show Answer
  The correct answer is C .
• Question 1499: Soil fertility can best be conserved by the activities of Options:
  A) Earthworm
  B) Man
  C) Rodent
  D) Microbes
  Show Answer
  The correct answer is D .
• Question 1500:

  

  Use the diagram above to answer this question.

  The function of the part labelled lll is to

  Options:
  A) produce egg cells
  B) protect sperms during fertilization
  C) secrete hormones during coitus
  D) protect the developing embryo
  Show Answer
  The correct answer is A .