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 1741: 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 1742: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 1743: 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 1744: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 1745: Metabolic production of urea is carried out in the Options:
  A) urinary bladder and kidney
  B) Liver
  C) Pancreas
  D) Kidney and malphigian tubule
  Show Answer
  The correct answer is B .
• Question 1746:

  

  In the diagram, the male sex cells are contained in the part labelled

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is B .
• Question 1747:

  Which of the following is an example of a behavioral adaptation for survival in animals?

  Options:
  A) Sharp teeth
  B) Migration
  C) Wings
  D) Camouflage
  Show Answer
  The correct answer is B .
• Question 1748: The construction of dams may lead to an increase in the prevalence of Options:
  A) typhoid fever, measles and yellow fever
  B) tuberculosis, leprosy and trypanosomiasis
  C) guinea worm, malaria and tuberculosis
  D) malaria, bilharziasis and onchocerciasis
  Show Answer
  The correct answer is D .
• Question 1749: The use and disuse of body parts and the inheritance of acquired traits were used to explain Options:
  A) Darwin's theory
  B) Lamarek's theory
  C) genetic drift
  D) gene flow
  Show Answer
  The correct answer is B .
• Question 1750: The process by which lime is added to clay soil is known as Options:
  A) sedimentation
  B) flocculation
  C) leaching
  D) manuring
  Show Answer
  The correct answer is B .