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 1821:

  Which of the following statements is true regarding cell growth?

  Options:
  A) Cell growth is solely influenced by external factors
  B) Cell growth is a continuous process throughout the life of a cell
  C) Cell growth involves an increase in the number of organelles within a cell
  D) Cell growth occurs by cell division
  Show Answer
  The correct answer is D .
• Question 1822: When a virus is placed in a nonliving medium it Options:
  A) becomes dehydrated
  B) forms spores
  C) forms flagella
  D) becomes crystallized
  Show Answer
  The correct answer is D .
• Question 1823: The key event in the transition of the amphibians from water to land is the ________ Options:
  A) replacement of the gills with lungs
  B) possession of webbed limbs
  C) limbs
  D) possession of tympanic membrane
  Show Answer
  The correct answer is A .
• Question 1824: Fibrinogen and prothrombin play important roles in the Options:
  A) deamination of proteins
  B) clotting of blood
  C) detoxication of substance
  D) storage of vitamins
  Show Answer
  The correct answer is B .
• Question 1825: The ability of a living organism to detect and respond to changes in the environment is referred to as Options:
  A) locomotion
  B) taxis
  C) irritability
  D) growth
  Show Answer
  The correct answer is C .
• Question 1826: In mammals, the exchange of nutrients and metabolic products occurs in the Options:
  A) lymph
  B) lungs
  C) heart
  D) liver
  Show Answer
  The correct answer is A .
• Question 1827: Which of the following lacks chaetae, tentacles and antennae? Options:
  A) Snail
  B) Crab
  C) Millipede
  D) Earthworm
  Show Answer
  The correct answer is C .
• Question 1828: Which of the following is NOT a method of conserving wild life? Options:
  A) Indiscriminate poaching
  B) Establishment of zoological gardens
  C) Enacting wildlife conservation laws
  D) Establishment of game reserves
  Show Answer
  The correct answer is A .
• Question 1829: An acidic soil can be improved upon by Options:
  A) sedimentation
  B) leaching
  C) flocculation
  D) watering
  Show Answer
  The correct answer is C .
• Question 1830: The mineral nutrient that easily gets leached out of the soil is Options:
  A) phosphorus
  B) calcium
  C) magnesium
  D) nitrate
  Show Answer
  The correct answer is D .