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 741: The soil swallowed by the earthworm to form the worm cast is grouped up in the Options:
  A) clitellum
  B) protomium
  C) mouth
  D) gizzard
  Show Answer
  The correct answer is D .
• Question 742: Which of the following is NOT caused by bacteria? Options:
  A) Cholera
  B) Gonorrhoea
  C) Tuberculosis
  D) Onchoceriasis
  E) Typhoid
  Show Answer
  The correct answer is D .
• Question 743:
  

  From the diagram above the optimal temperature for breeding cockroaches is

  Options:
  A) 15^oC
  B) 19^oC
  C) 24^oC
  D) 33^oC
  Show Answer
  The correct answer is C .
• Question 744: The major function of contractile vacuole in amoeba is Options:
  A) to secrete enzyme to digest food particles
  B) to store excess food materials
  C) to excrete nitrogenous waste
  D) to absorb water from the surrounding
  E) to collect and expel water in the cytoplasm
  Show Answer
  The correct answer is E .
• Question 745: The flame cells are used for excretion in Options:
  A) Fluke
  B) Nematode
  C) Bacteria
  D) Volvox
  Show Answer
  The correct answer is A .
• Question 746: 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 747: Which of the following is a major cause of variation among organisms? Options:
  A) Inbreeding
  B) Backcrossing
  C) Sexual reproduction
  D) Gene dominance
  Show Answer
  The correct answer is D .
• Question 748: Homologous pairs of chromosome separate during Options:
  A) Cytolysis
  B) Cleavage
  C) Mitosis
  D) Meiosis
  Show Answer
  The correct answer is D .
• Question 749: The opening and closing of the stoma are regulated by Options:
  A) transpiration
  B) respiration
  C) diffusion
  D) osmosis
  Show Answer
  The correct answer is D .
• Question 750:

  

  The structure above represents a quill feather. The structure labelled 'M' is the

  Options:
  A) quill
  B) rachis
  C) superior umbilicus
  D) inferior umbilicus
  E) aftershaft
  Show Answer
  The correct answer is C .