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 2091:

  The curvature movement of plants in response to the stimulus of water is called

  Options:
  A) hydrotropism
  B) geotropism
  C) Phototropism
  D) thigmotropism
  Show Answer
  The correct answer is A .
• Question 2092:

  

  Use the diagram above to answer this question.

  The gas evolved in the process is

  Options:
  A) carbon (IV) oxide
  B) nitrogen
  C) oxygen
  D) carbon (II) oxide
  Show Answer
  The correct answer is A .
• Question 2093:

  

  Toes of the feet ending in sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is B .
• Question 2094: Root hairs are developed from the Options:
  A) root apex
  B) epidermis of root
  C) vascular bundles
  D) endodermis
  E) pericycle
  Show Answer
  The correct answer is B .
• Question 2095: The function of lymph nodes is to Options:
  A) supply oxygen
  B) filter out bacteria
  C) form red blood cells
  D) supply amino acids
  E) supply simple sugars
  Show Answer
  The correct answer is B .
• Question 2096: Which of the following statements gives the BEST description of bark? Options:
  A) Tissue outside the vascular cambium
  B) Cork-like tissue found only in stems
  C) Brown tissue never found in primary growth
  D) Cork-like tissues of old trees
  Show Answer
  The correct answer is B .
• Question 2097: Scales on reptiles are a feature for Options:
  A) conserving water
  B) conserving food
  C) protecting the skin
  D) locomotion
  Show Answer
  The correct answer is A .
• Question 2098: Which of the following is an example of discontinuous variation? Options:
  A) skin colouration
  B) left handedness
  C) body weight
  D) Height
  Show Answer
  The correct answer is B .
• Question 2099:

  What is autotrophic nutrition?

  Options:
  A) Nutrition in which organisms obtain food by breaking down complex organic compounds.
  B) Nutrition in which organisms obtain food from other organisms
  C) Nutrition in which organisms obtain food by consuming both plants and animals
  D) Nutrition in which organisms produce their own food using energy from the sun or inorganic substances
  Show Answer
  The correct answer is D .
• Question 2100:

  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 .