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 1031:

  

  In the diagram, the variation illustration is

  Options:
  A) discontinuous
  B) morphological
  C) physiological
  D) biochemical
  Show Answer
  The correct answer is B .
• Question 1032: At what stage in the life history of a toad is its mode of breathing similar to that of fish? Options:
  A) Tadpole stage
  B) External gill stage
  C) Adult stage
  D) Internal gill stage
  E) Larval stage
  Show Answer
  The correct answer is A .
• Question 1033: An old man is likely to be long-sighted because age affects the Options:
  A) optic nerves
  B) retina
  C) ciliary muscles
  D) cornea
  E) aqueous humour
  Show Answer
  The correct answer is B .
• Question 1034: The endoplast cells found in hydra are used for Options:
  A) reproduction
  B) offence and defence
  C) locomotion and nutrition
  D) food collection
  Show Answer
  The correct answer is A .
• Question 1035: Fertilizers are lost from the soil through Options:
  A) sheet erosion and evaporation
  B) leaching, underground seepages and run-off
  C) sheet erosion, gully erosion and wind erosion
  D) wind erosion and heavy rainfall
  Show Answer
  The correct answer is B .
• Question 1036: Which of the following is common to a dicotyledonous stem and monocotyledonous root? Options:
  A) Medullary rays
  B) Central pith
  C) Wide cortex
  D) Narrow cortex
  E) Pericycle fibres
  Show Answer
  The correct answer is B .
• Question 1037:

  

  Use the diagram above to answer this question. The young proglottid is represented by

  Options:
  A) III
  B) IV
  C) I
  D) II
  Show Answer
  The correct answer is B .
• Question 1038:

  

  Use the diagram above to answer this question.

  Which of the following will be true of dog ll which lost its tail in an accident if it mates with dog lll.

  Options:
  A) None of its offspring will be born without a tail
  B) 3/4 of its offspring will be born without tails
  C) All its offspiring will be born without tails
  D) 1/4 of its offspring will be born without tails
  Show Answer
  The correct answer is A .
• Question 1039: Two organisms of different species, living in close association but not dependent on each other are referred to as Options:
  A) parasites
  B) commensals
  C) symbionts
  D) autotrophs
  Show Answer
  The correct answer is D .
• Question 1040: The main ecological problem facing intertidal organisms is Options:
  A) desiccation
  B) floatation
  C) salinity
  D) humidity
  Show Answer
  The correct answer is B .