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 441:

  Study the diagram of a food chain shown and use it to answer the question.

  P ---> Q ---> R ---> S ---> T

  The organism designated P in the food chain above is normally sustained by energy from

  Options:
  A) sunlight
  B) carbohydrates
  C) green plants
  D) mineral salts
  Show Answer
  The correct answer is A .
• Question 442:

  Which of the following instruments is used to estimate the number of plants in a habitat?

  Options:
  A) pooter
  B) pitfall trap
  C) quadrant
  D) sweep net
  Show Answer
  The correct answer is C .
• Question 443: The ability of an organism to live successfully in an environment is known as Options:
  A) resistance
  B) competetion
  C) succession
  D) adaptation
  Show Answer
  The correct answer is D .
• Question 444: 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 445: The Cerebellum of the Brain controls Options:
  A) Reflex Action
  B) Muscular Activity
  C) Emotional Expressions
  D) the Endocrine System
  Show Answer
  The correct answer is B .
• Question 446: The loss of soil through erosion can be reduced by Options:
  A) watering
  B) crop rotation
  C) manuring
  D) irrigation
  Show Answer
  The correct answer is B .
• Question 447:

  

  The function of the part labelled 1 is to

  Options:
  A) secrete a fluid which lubricates the joint
  B) attach muscles to the bones at the joint
  C) bend the bones at the joint
  D) hold the joint in place
  Show Answer
  The correct answer is C .
• Question 448: Climax communities in a biotic succession are usually characterized by Options:
  A) a constant change in the appearance of the communities
  B) different species that are constantly changing
  C) a stable composition of plant and animal species
  D) rapid changes in the plant and animal species
  Show Answer
  The correct answer is C .
• Question 449:

  

  The vertebra illustrated is

  Options:
  A) lumbar
  B) thoracic
  C) caudal
  D) cervical
  Show Answer
  The correct answer is B .
• Question 450: The association in which one member benefits and the other is relatively unaffected by the interaction is termed Options:
  A) symbiosis
  B) parasitism
  C) commensalism
  D) mutualism
  Show Answer
  The correct answer is C .