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 781:

  

  The part of the plant where photosynthesis is least likely to take place is

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 782:

  I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores.

  Which of the above are ways in which desert animals adapt to extreme heat of the environment?

  Options:
  A) I and IV only
  B) ll and lll only
  C) l and ll only
  D) l, ll and lll only
  Show Answer
  The correct answer is B .
• Question 783:

  When bacteria swim from cold to warm regions, this is known as

  Options:
  A) positive phototaxis
  B) negative phototaxis
  C) positive thermotaxis
  D) negative chemotaxis
  Show Answer
  The correct answer is C .
• Question 784: The mushroom is an organism which feeds Options:
  A) parasitically
  B) saprophytically
  C) holozoically
  D) symbiotically
  E) autotrophically
  Show Answer
  The correct answer is B .
• Question 785:

  What is the primary function of the liver in the human body?

  Options:
  A) Regulation of body temperature
  B) Regulation of blood pressure
  C) Production of hormones
  D) Detoxification and metabolism of nutrients and drugs
  Show Answer
  The correct answer is D .
• Question 786: When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the Options:
  A) non-illuminated side of the shoot
  B) illuminated side of the shoot
  C) upper side of the shoot
  D) lower side of the shoot
  Show Answer
  The correct answer is A .
• Question 787: If the phloem of a healthy plant is killed by heat treatment the Options:
  A) the upward movement of salt will cease
  B) food manufactured in the leaves will accumulate
  C) whole plant will die immediately
  D) leaves of the plant will become yellow
  Show Answer
  The correct answer is B .
• Question 788:

  

  Use the diagram below to answer the question that follow:

  The diagram represents a

  Options:
  A) Hygrometer
  B) Wind vane
  C) Anemometer
  D) Rain gauge
  Show Answer
  The correct answer is C .
• Question 789:

  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 790:

  A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted

  Options:
  A) schistosomiasis
  B) onchocerciasis
  C) poliomyelitis
  D) salmonellosis
  Show Answer
  The correct answer is A .