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 91: The sex of a foetus is determined during Options:
  A) meiosis
  B) copulation
  C) fertilization
  D) placentation
  Show Answer
  The correct answer is C .
• Question 92: The followings are the functions of the kidneys, except Options:
  A) Regulation of water content in the blood
  B) Maintenance of blood PH and homeostasis
  C) Excretion of CO2
  D) D. Removal of waste products from the blood
  Show Answer
  The correct answer is C .
• Question 93:

  Which of the following is evidence of evolution?

  Options:
  A) All of the above.
  B) Similarities in embryonic development
  C) Fossils of extinct organisms
  D) Homologous structures in different species
  Show Answer
  The correct answer is A .
• Question 94: 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 95:

  

  The structure labelled 5 is the

  Options:
  A) sweat gland
  B) sebaceous gland
  C) blood vessel
  D) nerve fibre
  Show Answer
  The correct answer is A .
• Question 96: If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the Options:
  A) xylem
  B) epidermis
  C) phloem
  D) parenchyma
  Show Answer
  The correct answer is A .
• Question 97: Enzyme ptyalin acts on starch in the Options:
  A) oesophagus
  B) large intestine
  C) mouth
  D) stomach
  Show Answer
  The correct answer is C .
• Question 98:

  Metamorphosis is a biological process that involves

  Options:
  A) The growth and development of an organism from a zygote to an adult
  B) The change in form and structure during the life cycle of certain organisms
  C) The regeneration of lost body parts in an organism
  D) The transformation of an organism from an adult stage to a larval stage
  Show Answer
  The correct answer is B .
• Question 99:

  In the theory of use and disuse Lamarck proposed that evolution occurred because of the following except

  Options:
  A) There is natural selection of offspring
  B) There is great changes in the environment
  C) Organism develop specialised characters
  D) The characters are inheritable
  Show Answer
  The correct answer is A .
• Question 100:

  

  As the tadpole develops, the structure labelled 5

  Options:
  A) grows longer
  B) becomes shorter
  C) becomes the hind legs
  D) remains unchanged
  Show Answer
  The correct answer is B .