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 2071: Which of the following is a homostatic response in humans? Options:
  A) Withdrawing the hand from a hot object
  B) The mouth getting watery when food is sighted
  C) yawning owing to tiredness
  D) shivering in a cold environment
  Show Answer
  The correct answer is D .
• Question 2072:

  Which of the following essential substance is contained in vegetable?

  Options:
  A) Chlorophyll
  B) Glucose
  C) Mineral Salts
  D) Carbon dioxide
  Show Answer
  The correct answer is C .
• Question 2073: Which of these is NOT an adaptive features for arboreal life? Options:
  A) Possession of long tail
  B) Possession of claws
  C) Possession of teeths
  D) counter shading in coat colour
  Show Answer
  The correct answer is C .
• Question 2074:

  

  Use the diagram above to answer this question.

  Insulin is produced by the endocrine organ labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is B .
• Question 2075: 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 2076:

  

  Which of the structure is the molar?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 2077: In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results? Options:
  A) Mercurous nitrates
  B) Copper sulphate
  C) Mercuric nitrate
  D) Sodium carbonate
  E) Ammonium hydroxide
  Show Answer
  The correct answer is B .
• Question 2078: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 2079: which of these elements in plants is required in small quantities only Options:
  A) Boron
  B) Nitrogen
  C) Phosphorus
  D) Magnesium
  E) Potassium
  Show Answer
  The correct answer is A .
• Question 2080:

  

  Reserved food materials is

  Options:
  A) stored in the parts numbered 2 and 3
  B) stored in the part numbered 3 only
  C) stored in the part numbered 4 and 5
  D) not concentrated in any particular part
  E) found in all except 1
  Show Answer
  The correct answer is A .