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 1: The vascular tissues in higher plants are responsible for Options:
  A) the movement of food and water
  B) suction pressure
  C) transpiration pull
  D) the transport of gases and water
  Show Answer
  The correct answer is A .
• Question 2: Which of the following statements about the dentition of man is INCORRECT ? man has Options:
  A) More molars than incisors
  B) No diastema
  C) The same number of teeth on upper and lower jaw
  D) A total of thirty-two teeth
  E) A total of six molars
  Show Answer
  The correct answer is E .
• Question 3:

  A distinguishing feature of mammals is the possession of

  Options:
  A) Skin
  B) Scale
  C) Nail
  D) Hair
  Show Answer
  The correct answer is D .
• Question 4:

  Which of the following is the effect of using artificial pollination in plant breeding?

  Options:
  A) Production of healthy crops
  B) Lengthening the maturity time of crops
  C) Making crops susceptible to disease
  D) Improvement of the variety of crops
  Show Answer
  The correct answer is D .
• Question 5: A man who has the trait for colour blindness marries a normal woman. What percentage of their children would be sufferers, carriers and normal respectively Options:
  A) 25%, 25% and 50%
  B) 25%, 50% and 25%
  C) 50%, 25% and 25%
  D) 25%, 37.5% and 37%
  Show Answer
  The correct answer is A .
• Question 6:

  When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be

  Options:
  A) isotonic
  B) dilute
  C) hypotonic
  D) hypertonic
  Show Answer
  The correct answer is C .
• Question 7:

  The hypha of rhizopus is said to be non-septate because it

  Options:
  A) does not contain chloropyll
  B) has no cross wall
  C) is vacuoled
  D) stores oil globus
  Show Answer
  The correct answer is B .
• Question 8:

  

  The sweat gland is the structure labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 9: Fruits which develop without fertilization of the ovule are Options:
  A) false
  B) multiple
  C) aggrgate
  D) parthenocarpic
  Show Answer
  The correct answer is D .
• Question 10: IF an organism obtains its food by means of haustoria, it is said to be Options:
  A) holophytic
  B) heterophytic
  C) saprophytism
  D) parasitic
  Show Answer
  The correct answer is D .