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 231: The breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called Options:
  A) lipases
  B) hydrolases
  C) amylases
  D) peptidases
  Show Answer
  The correct answer is A .
• Question 232: 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 233: Any dry fruit which can break into several parts each containing one seed is a Options:
  A) capsule
  B) aggregrate fruit
  C) legume
  D) schizocarp
  E) follicle
  Show Answer
  The correct answer is D .
• Question 234: Size, colour and fingerprints are examples of ______ Options:
  A) physiological variation
  B) discontinuous variation
  C) morphological variation
  D) adaptive variation
  Show Answer
  The correct answer is C .
• Question 235: What is the function of the contractile vacuole in paramecium? Options:
  A) Produces enzymes
  B) Gets rid of excreta
  C) Stores and digest food
  D) Gets rid of excess water
  E) Controls movement
  Show Answer
  The correct answer is D .
• Question 236: Which group of plants would be the first colonizers in an ecological succession changing rocks to soil? Options:
  A) Mosses
  B) Ferns
  C) Lichens
  D) Grasses
  Show Answer
  The correct answer is C .
• Question 237:

  

  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 238: In mammalian males, the excretory and reproductive systems share the Options:
  A) Ureter
  B) vas deferens
  C) Urethra
  D) Testes
  Show Answer
  The correct answer is C .
• Question 239: The features that makes locomotion in water easy for fish is the Options:
  A) scaly body
  B) slimy body
  C) streamlined body
  D) lateral line
  Show Answer
  The correct answer is C .
• Question 240:

  In an agricultural ecosystem, the biotic component consist of

  Options:
  A) crops, pests and beneficial insects
  B) crops, temperature and humidity
  C) pests, beneficial insects and water
  D) crops, water and soil
  Show Answer
  The correct answer is A .