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 161: Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? Options:
  A) pH
  B) Salinity
  C) Water current
  D) Turbidity
  Show Answer
  The correct answer is A .
• Question 162: In a dicot leaf, guard cells differ from other epidermal cells because they Options:
  A) have no definite shape
  B) lack nuclei
  C) are smaller
  D) contain chloroplast
  E) lack vacuole
  Show Answer
  The correct answer is D .
• Question 163:

  Which of the following is the effect of using artificial pollination in plant breeding?

  Options:
  A) Production of healthy crops
  B) Lengthening the maturity time of crops
  C) Making crops susceptible to disease
  D) Improvement of the variety of crops
  Show Answer
  The correct answer is D .
• Question 164: Underground stems which grow horizontally through the soil are Options:
  A) Bulbs
  B) Rhizomes
  C) Runners
  D) Corms
  E) Stolons
  Show Answer
  The correct answer is B .
• Question 165: A non - renewable alternative source of energy is Options:
  A) wind generator
  B) solar panels
  C) nuclear energy
  D) hydroelectric power
  Show Answer
  The correct answer is C .
• Question 166: Some of the major elements required by plants are Options:
  A) Potassium, nitrogen, phosphorus, sodium, calcium
  B) Nitrogen, phosphorus, molybdenum, sodium, calcium
  C) Potassium, phosphorus, molybdenum, sodium, calcium
  D) Potassium, nitrogen, iron , sodium, calcium
  E) Potassium, nitrogen, phosphorus, silicon, cadmium
  Show Answer
  The correct answer is A .
• Question 167: Heat produced in tissue respiration in plants is Options:
  A) a chemical form of energy
  B) the only form of energy
  C) the main form of energy
  D) a useful form of energy
  E) a waste form of energy
  Show Answer
  The correct answer is A .
• Question 168:

  The temporary union of two organisms and the exchange of micronuclear elements is called

  Options:
  A) Conjugation
  B) Binary fusion
  C) Extrapolation
  D) Interexchange
  Show Answer
  The correct answer is A .
• Question 169:

  The type of nutrition shown by spirogyra is

  Options:
  A) Symbiosis
  B) Holozoic
  C) Chemosynthetic
  D) Holophytic
  Show Answer
  The correct answer is D .
• Question 170: The greatest amount of energy will be obtained by the oxidation of 100kg of Options:
  A) meat
  B) butter
  C) sugar
  D) biscuits
  Show Answer
  The correct answer is B .