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 2031: In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis? Options:
  A) Paramecium
  B) Euglena
  C) Amoeba
  D) Spirogyra
  Show Answer
  The correct answer is B .
• Question 2032: The mammalian pancreas is involved with the Options:
  A) digestion of food only
  B) digestion and absorption of food
  C) digestion of food and regulation of blood sugar
  D) digestion of food, production of hormone and the regulation of blood
  E) digestion of food, and the regulation of blood
  Show Answer
  The correct answer is D .
• Question 2033: Which of the following is involved in secondary thickening in plants? Options:
  A) Collenchyma and xylem cells
  B) Vascular cambium
  C) Cork cambium and sclerenchyma
  D) Vascular cambium and cork cambium
  Show Answer
  The correct answer is D .
• Question 2034: The hypha of Rhizopus is said to be non septate because it Options:
  A) does not contain chlorophyll
  B) has no cross walls
  C) is vacuolated
  D) stores oil globules
  Show Answer
  The correct answer is B .
• Question 2035: Which of the following is the dental formula of man? Options:
  A) i(2/2) c(0/1) pm(2/2) m(3/3)
  B) i(2/2) c(1/1) pm(2/0) m(3/3)
  C) i(2/2) c(1/1) pm(2/2) m(3/3)
  D) i(2/2) c(1/1) pm(3/3) m(2/2)
  E) i(2/2) c(1/1) pm(2/3) m(3/3)
  Show Answer
  The correct answer is C .
• Question 2036: In a soil sample, the relative amouunts of the different soil particles can best be determined by the process of Options:
  A) filtration
  B) centrifugation
  C) precipitation
  D) sedimentation
  Show Answer
  The correct answer is D .
• Question 2037:

  What is autotrophic nutrition?

  Options:
  A) Nutrition in which organisms obtain food by breaking down complex organic compounds.
  B) Nutrition in which organisms obtain food from other organisms
  C) Nutrition in which organisms obtain food by consuming both plants and animals
  D) Nutrition in which organisms produce their own food using energy from the sun or inorganic substances
  Show Answer
  The correct answer is D .
• Question 2038:

  

  Use the diagram above to answer this question.

  The type of protective adaptation exhibited by the animal is

  Options:
  A) disruptive colouration
  B) flash colouration
  C) countershading colouration
  D) warning colouration
  Show Answer
  The correct answer is C .
• Question 2039:

  

  The experiment is used to demonstrate that

  Options:
  A) plants lose water through guttation
  B) transpiration occurs through the leaves
  C) water is necessary for photosynthesis
  D) leaves are important to photosynthesis
  Show Answer
  The correct answer is B .
• Question 2040: The product of excretion common to the mammalian kidney, lung and skin is Options:
  A) mineral salt
  B) carbon (IV) oxide
  C) water
  D) urea
  Show Answer
  The correct answer is C .