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 331:

  Which of the following statements is true about sandy soil?

  Options:
  A) has limited air space
  B) is light and easy to dig
  C) drains slowly
  D) is heavy and poorly aerated
  Show Answer
  The correct answer is B .
• Question 332: Which of the following instruments is used to measure wind speed? Options:
  A) Thermometer
  B) Barometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is D .
• Question 333: Which of the following is a measure for the control of bilharzia? Options:
  A) Cutting low brushes around homes
  B) Application of molluscicides in water bodies
  C) Screening windows and doors with mosquito nets
  D) Application of herbicides in water bodies
  Show Answer
  The correct answer is B .
• Question 334: Stunted growth and poor root development are a result of a deficiency in Options:
  A) sulpur
  B) phosphorus
  C) calcium
  D) iron
  Show Answer
  The correct answer is C .
• Question 335: The region that control most of the unconscious processes of a mammalian body is the Options:
  A) cerebellum
  B) cerebrum
  C) spinal cord
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 336:

  Sources of air pollutants are

  Options:
  A) industrial chimneys, burning fossil oils and river dams
  B) sulphurdioxide, acid rain and pesticides
  C) sulphur dioxide, vehicle exhausts, and aerosols
  D) sewage,smoke and old vehicles
  Show Answer
  The correct answer is C .
• Question 337: The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the Options:
  A) collar bones and coccyx
  B) pectoral and pelvic girdles
  C) scapulae and clavicles
  D) vertebrae and sternum
  Show Answer
  The correct answer is B .
• Question 338: A corn differs from a bulb in that Options:
  A) its stem is the main food storage organ
  B) it has a flattened discshaped stem
  C) buds are absent in the axils of the leaves
  D) adventitious roots are present
  Show Answer
  The correct answer is A .
• Question 339:

  Which of the following is a plant hormone responsible for promoting cell elongation and growth?

  Options:
  A) Abscisic acid
  B) Gibberellins
  C) Ethylene
  D) Cytokinins
  Show Answer
  The correct answer is B .
• Question 340: The transportation of oxygen and carbon (IV) oxide in mammals is carried out by Options:
  A) leucocytes
  B) thrombocytes
  C) phagocytes
  D) erythrocytes
  Show Answer
  The correct answer is D .