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 851: The gall bladder of mammal has a duct connected to the Options:
  A) liver
  B) duodenum
  C) small intestine
  D) pancreas
  Show Answer
  The correct answer is A .
• Question 852:

  

  Use the diagram above to answer this question.

  Which of the following is a true feature of plantation ll?

  Options:
  A) it has the highest number of trees of about 2m high.
  B) it has highest number of trees
  C) it has the highest number of tall trees
  D) the height of all its trees range between 2m and 6m
  Show Answer
  The correct answer is A .
• Question 853:

  Trees in Savanna habitats usually have thick bark which mainly.

  Options:
  A) Reduces the rate of transpiration
  B) Protect them from scorching sun
  C) Protect them from heavy winds
  D) Resist bush fires
  Show Answer
  The correct answer is A .
• Question 854: The growth of a coleoptile towards unilateral light source is due to Options:
  A) rapid rate of photosynthesis
  B) unequal distribution of auxin
  C) the effect of geotropism
  D) the effect of photolysis
  Show Answer
  The correct answer is B .
• Question 855:

  The vitamin which is important in the formation of the retina pigment is

  Options:
  A) Vitamin A
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
  Show Answer
  The correct answer is A .
• Question 856: Haemophilia results from the mutation of the genes Options:
  A) in the sex chromosome
  B) which control skin colour
  C) which control the mechanism for blood-clotting
  D) which control the formation of haemoglobin
  Show Answer
  The correct answer is C .
• Question 857: Which enzymes are contained in the pancreatic juice? Options:
  A) Ptayalin, lipase and pepsin
  B) Maltase, erepsin and trypsin
  C) Renin, sucrase and lipase
  D) Amylase, lipase and trypsin
  Show Answer
  The correct answer is D .
• Question 858: Which one of the following animals is NEVER a secondary host of tapeworms? Options:
  A) cow
  B) Fish
  C) Pig
  D) Man
  E) Dog
  Show Answer
  The correct answer is D .
• Question 859:

  Which of the following is considered to be the first product of Photosynthesis?

  Options:
  A) Protein
  B) Starch
  C) Energised Chlorophyll
  D) Hydroxyl ions
  Show Answer
  The correct answer is B .
• Question 860: The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1% CuSO₄ solution while shaking, indicates the presence of Options:
  A) protein
  B) carbohydrates
  C) fats
  D) reducing
  Show Answer
  The correct answer is A .