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 1461: In a dicot leaf, guard cells differ from other epidermal cells because they Options:
  A) have no definite shape
  B) lack nuclei
  C) are smaller
  D) contain chloroplast
  E) lack vacuole
  Show Answer
  The correct answer is D .
• Question 1462:

  

  The process of water loss and intake indicated by the arrow labelled I and II are respectively

  Options:
  A) exhalation and osmosis
  B) urination and diffusion
  C) osmosis and diffusion
  D) evaporation and osmosis
  Show Answer
  The correct answer is D .
• Question 1463: Where is the energy produced in a cell? Options:
  A) Nucleus
  B) Nucleolus
  C) Lysosomes
  D) Chloroplast
  E) Mitochondria
  Show Answer
  The correct answer is E .
• Question 1464:

  Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale?

  Options:
  A) Organs, tissues, cells, organisms, populations, communities, ecosystems
  B) Cells, organs, tissues, organisms, populations, communities, ecosystems
  C) Tissues, organs, cells, organisms, populations, communities, ecosystems
  D) Cells, tissues, organs, organisms, populations, communities, ecosystems
  Show Answer
  The correct answer is D .
• Question 1465:

  

  Use the diagram to answer the question that follows.

  The dentition is found in

  Options:
  A) rat
  B) dog
  C) sheep
  D) man
  Show Answer
  The correct answer is D .
• Question 1466: The three important organs that are situated close to the stomach are Options:
  A) Kidney, liver and gall bladder
  B) pancreas, liver and kidney
  C) liver, kidney and spleen
  D) gall bladder, pancreas and spleen
  Show Answer
  The correct answer is D .
• Question 1467: The dorsal and anal fins of fish are used for Options:
  A) Upward movement
  B) Controlling rolling
  C) Downward movement
  D) Steering
  E) Buoyancy
  Show Answer
  The correct answer is B .
• Question 1468:

  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 1469: Animals aestivate when the environment in which they live becomes Options:
  A) hot and dry
  B) cold and wet
  C) warm and humid
  D) windy and snowy
  Show Answer
  The correct answer is A .
• Question 1470: Parasitic form are NOT found among Options:
  A) platyhelminthes
  B) nematodes
  C) mollusces
  D) annelids
  Show Answer
  The correct answer is C .