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 171:

  In an ecosystem, the organism which changes light energy into stored chemical energy is the

  Options:
  A) Consumer
  B) Producer
  C) Decomposer
  D) Carnivore
  Show Answer
  The correct answer is B .
• Question 172:

  The movement of blood between the heart and all other parts of the body beside the lungs is

  Options:
  A) Double circulatory system
  B) Pulmonary system
  C) Single circulation
  D) Systemic circulation
  Show Answer
  The correct answer is D .
• Question 173:

  The most abundant group of organisms in the animal kingdom?

  Options:
  A) Mammalia
  B) Aves
  C) Insecta
  D) Annelida
  Show Answer
  The correct answer is C .
• Question 174:

  Which of the following describes the inheritance of traits from parents to offspring?

  Options:
  A) Adaptation
  B) Evolution
  C) Natural selection
  D) Genetics
  Show Answer
  The correct answer is D .
• Question 175:

  I. Stomata --> Spirogyra

  II. Alveoli --> Earthworm

  III. Malpighian tubule -> Mammal

  IV. Contractile vacuole -> Protozoa

  Which of the above structures is correctly matched with the organisms in which it is found?

  Options:
  A) II
  B) I
  C) IV
  D) III
  Show Answer
  The correct answer is C .
• Question 176: The most recently evolved structure in animals is the Options:
  A) hair
  B) cilium
  C) scale
  D) feather
  Show Answer
  The correct answer is A .
• Question 177: The hereditary characters in plants and animals are located on the Options:
  A) gene
  B) mucleus
  C) chromosome
  D) cell
  Show Answer
  The correct answer is C .
• Question 178: If the pair of alleles for baldness is given as Bb, a female carrier will be denoted by Options:
  A) X^bY^B
  B) X^BX^B
  C) X^BY
  D) X^BbX^b
  Show Answer
  The correct answer is D .
• Question 179:

  When bacteria swim from cold to warm regions, this is known as

  Options:
  A) positive phototaxis
  B) negative phototaxis
  C) positive thermotaxis
  D) negative chemotaxis
  Show Answer
  The correct answer is C .
• Question 180: External ears of mammals consist of Options:
  A) pinna and tympanum
  B) pinna only
  C) auditory meatus only
  D) auditory meatus and pinna
  E) auditory meatus and tympanum
  Show Answer
  The correct answer is D .