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 801: Soil micro-organisms are beneficial because of their involvement in Options:
  A) photosynthesis
  B) translocation
  C) cycling of nutrients
  D) respiration using soil air
  Show Answer
  The correct answer is C .
• Question 802:

  Which of the following statement describes an autonomic nervous system

  Options:
  A) It always stimulates effectors
  B) Activities are voluntary
  C) It dials with external stimuli and their responses
  D) It affects glands, cardia muscles and smooth muscles
  Show Answer
  The correct answer is D .
• Question 803: In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to Options:
  A) prevent alga growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevent photosynthesis in the root
  Show Answer
  The correct answer is A .
• Question 804: Which of these disease CANNOT be prevented by immunization? Options:
  A) Poliomyelitis
  B) Tuberculosis
  C) Cholera
  D) onchocerciasis
  Show Answer
  The correct answer is D .
• Question 805: The lungs of the lung fish is an adaptation for respiration _______? Options:
  A) to complement gills while in water
  B) to complement gills while on land
  C) while on land
  D) while in water
  Show Answer
  The correct answer is D .
• Question 806: The bacteria that is found in the root nodules of leguminous plants is Options:
  A) clostridium
  B) rhizobium
  C) nostoc
  D) azotobacter
  Show Answer
  The correct answer is B .
• Question 807: A dry dehiscent fruit which breaks up into one-seeded part is a Options:
  A) schizocarp
  B) capsule
  C) follicle
  D) legume
  Show Answer
  The correct answer is A .
• Question 808: The fallacy in Lamarck's evolutionary theory was the assumption that Options:
  A) traits are acquired through disuse of body parts
  B) acquried traits are heritable
  C) acquired traits are seldom formed
  D) traits are acquired through the use of body parts
  Show Answer
  The correct answer is B .
• Question 809: Mineral salts can be absorbed into the roots by Options:
  A) osmosis only
  B) osmosis and diffusion
  C) diffusion and active transport
  D) imbibition only
  Show Answer
  The correct answer is C .
• Question 810:

  Conversion of atmosphere carbon into chemical bond energy occurs during the process of?

  Options:
  A) transpiration
  B) photosynthesis
  C) digestion
  D) respiration
  Show Answer
  The correct answer is B .