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 481: Which one of the following option is not true for mucor of Rhizophus? it Options:
  A) Grows on moist dead organic matter
  B) Is a plant
  C) Has cellulose cell-wall
  D) Reproduce asexually by producing a spore
  E) Has no chlorophyll
  Show Answer
  The correct answer is B .
• Question 482: When an animal has a dark-coloured dorsal surface and a light-colouration ventral surface, this is an adaptation called Options:
  A) concealment colouration
  B) countershading
  C) colour blending
  D) disruptive colouration
  Show Answer
  The correct answer is B .
• Question 483: Seed plants are divided into Options:
  A) monocoty ledons and dicotyledons
  B) tracheophytes and ferns
  C) angiosperms and gymnosperms
  D) thallophytes and bryophytes
  Show Answer
  The correct answer is C .
• Question 484:

  The waste product of insects is?

  Options:
  A) uric acid
  B) urine
  C) Mucilage
  D) sweat
  Show Answer
  The correct answer is A .
• Question 485:

  One of the functions of the xylem is?

  Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  Show Answer
  The correct answer is A .
• Question 486:

  The part of mammalian skin that excretes metabolic wastes is?

  Options:
  A) sweat gland
  B) horny layer
  C) Malpighian layer
  D) sebaceous gland
  Show Answer
  The correct answer is A .
• Question 487:

  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 488: The following are examples of oviparous animals except Options:
  A) crocodile
  B) dove
  C) rat
  D) tilapia
  Show Answer
  The correct answer is C .
• Question 489: Which of the following types of feathers is used for flight in birds? Options:
  A) Quill
  B) Filoplume
  C) covert
  D) Down
  Show Answer
  The correct answer is A .
• Question 490:

  Ecology is best defined as the study of

  Options:
  A) The characteristics of an environment
  B) The inter-relationship between living organisms and the environment
  C) Living organisms in a particular area
  D) The habitats and wild life
  Show Answer
  The correct answer is B .