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 1271: which of these diseases cannot be controlled by killing the vector? Options:
  A) River blindness
  B) Malaria
  C) Polio
  D) Cholera
  E) Bilharzia (shistosoma)
  Show Answer
  The correct answer is C .
• Question 1272:

  Which of the following waste products in plants is excreted through the stomata and lenticles?

  Options:
  A) carbon dioxide
  B) alkaloids
  C) tannins
  D) anthoocyanins
  Show Answer
  The correct answer is A .
• Question 1273:

  In plants, respiration occurs in

  Options:
  A) The stomata and lenticel only
  B) Mesophyll cells only
  C) All living cells
  D) The root only
  Show Answer
  The correct answer is C .
• Question 1274:

  Which of the following is an example of discontinous variatio?

  Options:
  A) The range in height of a pea plant from 30cm to 50cm
  B) Offsprings including two male cats and three female cats
  C) The colour of pear plants grown in the dark
  D) The adult body weight ranging from 50kg to 95kg
  Show Answer
  The correct answer is B .
• Question 1275: Which of the following is not a characteristics of snail? Options:
  A) Bilateral symmetry
  B) Chitinous exoskeleton
  C) Muscular foot
  D) soft unsegmented body in mantle
  Show Answer
  The correct answer is B .
• Question 1276: The opening of the stoma is controlled by the Options:
  A) presence of a pore
  B) increase in solute concentration in the guard cells
  C) presence of guard cells
  D) decrease in solute concentration in the guard cells
  Show Answer
  The correct answer is B .
• Question 1277:

  Which of the following is not a transmitable character in plants

  Options:
  A) Habit of growth
  B) Resistance to environmental factors
  C) Life span
  D) Haemophilia
  Show Answer
  The correct answer is D .
• Question 1278: The part of the mammalian skin involved in temperature regulation is the Options:
  A) sweat gland
  B) hair papilla
  C) hair follicle
  D) sebaceous gland
  Show Answer
  The correct answer is A .
• Question 1279:

  

  Use the diagram above to answer this question.

  The function of the structure labelled l is to

  Options:
  A) stimulate the development of secondary sexual characters
  B) prepare the body for any emergency
  C) maintain proper glucose concentration in the blood
  D) regulate the activities of other endocrine glands
  Show Answer
  The correct answer is D .
• Question 1280: The outer layer of the kidney where the Bowman's capsules are found is the Options:
  A) cortex
  B) peivis
  C) medulla
  D) pyramid
  Show Answer
  The correct answer is A .