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 2051:

  

  In the diagram, the habitat of the organism is

  Options:
  A) slow moving streams and marshes
  B) the stomach of large mammals
  C) under leaf filter on forest floor
  D) the small intestine of large vertebrates
  Show Answer
  The correct answer is D .
• Question 2052: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .
• Question 2053:

  

  In the diagram, the organelle responsible for heredity is

  Options:
  A) iii
  B) iv
  C) ii
  D) i
  Show Answer
  The correct answer is A .
• Question 2054:

  Which of the following processes is involved in the reproduction of developing organisms?

  Options:
  A) Budding
  B) Germination
  C) Fertilization
  D) Pollination
  Show Answer
  The correct answer is C .
• Question 2055:

  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 .
• Question 2056: Which of the following lists of organs is directly involved in nutrition? Options:
  A) Oesophagus, bronchus, stomach, pancreas and anus
  B) spleen, pharynx, duodenum, jejunum and rectum
  C) Teeth, oesophagus, ileum lungs and large intestine
  D) Salivary gland, liver, stomach, villi and colon
  Show Answer
  The correct answer is D .
• Question 2057: If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be Options:
  A) a protein
  B) a cabohydrate
  C) a fat
  D) a fatty acid and glycerol
  E) an amino acid
  Show Answer
  The correct answer is B .
• Question 2058:

  Mass of a crucible = 10g,

  Mass of a crucible and soil before heating =29g

  Mass of a crucible and soil after heating = 18g

  From the information above, determine the percentage of water in the given soil sample?

  Options:
  A) 20%
  B) 25%
  C) 40%
  D) 60%
  Show Answer
  The correct answer is D .
• Question 2059: The phloem parenchyma is sometimes used for Options:
  A) food storage
  B) supporting the stem
  C) production of the sieve tube
  D) transporting water
  Show Answer
  The correct answer is A .
• Question 2060:
  

  What stage during cell division is represented in the figure above?

  Options:
  A) Prophase
  B) Metaphase
  C) Anaphase
  D) Telophase
  Show Answer
  The correct answer is C .