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 41: The theory of use and disuse of organs was promulgated by Options:
  A) Alfred Wallace
  B) Charles Darwin
  C) Gene Lamarck
  D) Robert Hook
  Show Answer
  The correct answer is C .
• Question 42:

  Inheritable character/features possessed by an organism can be referred to as

  Options:
  A) Genes
  B) Locus
  C) Traits
  D) Allelo morphs
  Show Answer
  The correct answer is C .
• Question 43: The pancreas secretes enzymes for the digestion of Options:
  A) fats, proteins and carbohydrates
  B) fats, vitamins and cellulose
  C) fats, carbohydrates and vitamins
  D) protein, cellulos and minerals
  Show Answer
  The correct answer is A .
• Question 44: The removal of remnant particles of digestion from the body is called Options:
  A) assimilation
  B) egestion
  C) elimination
  D) excretion
  Show Answer
  The correct answer is B .
• Question 45: Gregor Mendel is regarded as the father of ______ Options:
  A) variation
  B) genetics
  C) mycology
  D) natural selection
  Show Answer
  The correct answer is B .
• Question 46:

  A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

  Options:
  A) able to carry out holozoic nutrition
  B) able to carry out photosynthesis using carbon dioxide in the pond water
  C) better adapted to life in darkness than to life in light
  D) not overcrowded
  Show Answer
  The correct answer is A .
• Question 47:

  

  Use the diagram below to answer the question that follow:

  The diagram represents a

  Options:
  A) Hygrometer
  B) Wind vane
  C) Anemometer
  D) Rain gauge
  Show Answer
  The correct answer is C .
• Question 48:

  Which processes are involved in nutrient cycling in a functioning ecosystem?

  Options:
  A) Erosion, weathering, and sedimentation
  B) Decomposition, evaporation, and precipitation
  C) Nitrogen fixation, denitrification, and ammonification
  D) Respiration, photosynthesis, and transpiration
  Show Answer
  The correct answer is C .
• Question 49: A plant tissue that carries water and mineral salts is the Options:
  A) cambium
  B) xylem
  C) cortex
  D) phloem
  Show Answer
  The correct answer is B .
• Question 50: The rate of transpiration is NOT affected by Options:
  A) the weight of the stomata pores
  B) humidity
  C) temperature
  D) the size of the stomata pores
  Show Answer
  The correct answer is A .