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 2041:

  

  In the diagram, the experiment demonstrates

  Options:
  A) geotropism
  B) thigmotropism
  C) phototropism
  D) hydrotropism
  Show Answer
  The correct answer is A .
• Question 2042:

  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 2043:

  Which of the following processes removes carbon from the atmosphere?

  Options:
  A) putrefaction
  B) photosynthesis
  C) volcanic eruption
  D) burning of fuels
  Show Answer
  The correct answer is B .
• Question 2044: The crown of the mammalian tooth is covered with Options:
  A) cement
  B) dentine
  C) caries
  D) enamel
  Show Answer
  The correct answer is D .
• Question 2045: Most cells in higher animals retain their power of division EXCEPT Options:
  A) lymphocytes
  B) nerve cells
  C) malpighian cells
  D) germ cells
  Show Answer
  The correct answer is B .
• Question 2046: Which sequence represents the correct order of organisms un a food chain? 1. Toad 2. Mucuna 3. Grasshopper 4. Snake 5. Hawk Options:
  A) 5 → 4 → 1 → 3 → 2
  B) 1 → 2 → 3 → 4 → 5
  C) 2 → 1 → 3 → 4 → 5
  D) 2 → 3 →1 → 5 →4
  E) 2 → 3 → 1 → 4 → 5
  Show Answer
  The correct answer is E .
• Question 2047:

  Use the list of biomes below to answer the question below

  1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah

  A biome where there are many cacti and the small mammals undergo aestivation for long periods is

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 2048:

  Which of the following vertebrates has the most simple structured heart

  Options:
  A) reptile
  B) fish
  C) mammal
  D) Amphibian
  Show Answer
  The correct answer is B .
• Question 2049: An instrument that can be used to demonstrate phototropism and geotropism in plants is the Options:
  A) auxanometer
  B) potometer
  C) klinostat
  D) photometer
  Show Answer
  The correct answer is C .
• Question 2050:

  In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?

  Options:
  A) prevent algal growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevents photosynthesis in the root
  Show Answer
  The correct answer is A .