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 1061: External ears of mammals consist of Options:
  A) pinna and tympanum
  B) pinna only
  C) auditory meatus only
  D) auditory meatus and pinna
  E) auditory meatus and tympanum
  Show Answer
  The correct answer is D .
• Question 1062: A fruit formed from a single flower having several free carpels is Options:
  A) a multiple fruit
  B) a dry dehiscent fruit
  C) a dry indehiscent fruit
  D) a simple fruit
  E) an aggregate fruit
  Show Answer
  The correct answer is E .
• Question 1063: Soil is said to be fertile if Options:
  A) It is black
  B) it can supply usable nutrients to plants
  C) the oxygen content is very high
  D) artificial manure is added to it
  E) it is not waterlogged
  Show Answer
  The correct answer is B .
• Question 1064:

  The damage to ozone layer is caused by

  Options:
  A) Oxygen
  B) Nitrogen oxide
  C) Chlorofluorocarbons
  D) sulphur dioxide
  Show Answer
  The correct answer is C .
• Question 1065: One of the characteristics of plants in the savanna is the Options:
  A) possession of thin, smoth barks
  B) possession of large tap root
  C) production of seedlings on mother plant
  D) possession of thick, flaky bark
  Show Answer
  The correct answer is D .
• Question 1066: Most commercial fertilizers are rich in salts of Options:
  A) sodium, iron and calcium
  B) nitrogen, phosphorus and potassium
  C) iron, copper and nitrogen
  D) calcium, sodium and phosphorus
  Show Answer
  The correct answer is B .
• Question 1067:

  The only caste in the termite colony whose members can feed themselves are the

  Options:
  A) workers
  B) reproductives
  C) soldiers
  D) nymphs
  Show Answer
  The correct answer is A .
• Question 1068: Th chitin in the exoskeleton of many arthropods is strengthened by Options:
  A) calcium compounds
  B) organic salts
  C) lipids
  D) proteins
  Show Answer
  The correct answer is A .
• Question 1069:

  People who suck petrol with their mouths run the risk of increasing in their blood the concentration of

  Options:
  A) iron
  B) lead
  C) calcium
  D) magnesium
  Show Answer
  The correct answer is B .
• Question 1070: Roots of plants are normally Options:
  A) Positively phototropic
  B) Negatively geotropic
  C) Negatively hydrotropic
  D) Positively hydrotropic
  E) Negatively chemotropic
  Show Answer
  The correct answer is D .