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 991: The wings of a bat and those of a bird are examples of Options:
  A) convergent evolution
  B) continuous variation
  C) coevolution
  D) divergent evolution
  Show Answer
  The correct answer is A .
• Question 992: The study of how and why population size change over time is Options:
  A) Population estimation
  B) Population dynamics
  C) Population ecology
  D) Population cycle
  Show Answer
  The correct answer is B .
• Question 993: The radicle of a bean seedling grows most rapidly in the region Options:
  A) of the root tip
  B) just above the root tip
  C) just around the root tip
  D) just below the root tip
  Show Answer
  The correct answer is B .
• Question 994: The stomata of leaves are similar in function to the Options:
  A) pharynx of humans
  B) scales of fish
  C) spiracle of insects
  D) trachea of toads
  Show Answer
  The correct answer is C .
• Question 995:

  Which of the following substances has the highest amount of energy in joules per unit weight?

  Options:
  A) Carbohydrates
  B) Fats
  C) Proteins
  D) Vitamins
  Show Answer
  The correct answer is B .
• Question 996:

  The male sex cells also called gametes are produced in the testes by a process called

  Options:
  A) Gametogenesis
  B) Implantation
  C) Spermatogenesis
  D) Spermatozoa
  Show Answer
  The correct answer is C .
• Question 997:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 998: 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 999:

  

  In the experiment, the layer of oil serves to prevent water loss

  Options:
  A) transpiration
  B) evaporation
  C) osmosis
  D) guttation
  Show Answer
  The correct answer is B .
• Question 1000: One of the function of xylem is Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  E) storing unused sugar
  Show Answer
  The correct answer is A .