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 881:

  Which of the following substances has the highest amount of energy in joules per unit weight?

  Options:
  A) Carbohydrates
  B) Fats
  C) Proteins
  D) Vitamins
  Show Answer
  The correct answer is B .
• Question 882: The following are example of morphological variation except Options:
  A) size
  B) ability to taste PTC
  C) color
  D) fingerprint
  Show Answer
  The correct answer is B .
• Question 883: In plants, the structures that play roles similar to the arteries and veins of animals are the Options:
  A) xylem and phloem
  B) root hair and xylem
  C) lenticels and phloem
  D) roots and stems
  Show Answer
  The correct answer is A .
• Question 884: The swollen shoot disease of cocoa tree is caused by a Options:
  A) virus
  B) fungus
  C) bacterium
  D) protozoan
  Show Answer
  The correct answer is A .
• Question 885: What is the function of Trichocyst in paramecium? Options:
  A) Movement
  B) Defence
  C) Excretion
  D) Reproduction
  Show Answer
  The correct answer is B .
• Question 886: A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype Options:
  A) A
  B) B
  C) AB
  D) OO
  Show Answer
  The correct answer is C .
• Question 887: What type of fruit is formed from a single flower having several carpels? Options:
  A) Multipe fruit
  B) Simple fruit
  C) Aggregrate fruit
  D) Dehiscent fruit
  E) Indehiscent fruit
  Show Answer
  The correct answer is C .
• Question 888:

  Viruses are pathogens of the following diseases except

  Options:
  A) Tuberculosis
  B) Measles
  C) Small pox
  D) Poliomyelitis
  Show Answer
  The correct answer is A .
• Question 889:

  Cytokinesis of mitosis is a process that ensures that

  Options:
  A) each daughter cell gets the necessary organelles
  B) there is distribution of a complete set of genes into each daughter cell
  C) daughter cell inherit new genetic combinations
  D) worn out organelles are excluded from daughter cells
  Show Answer
  The correct answer is B .
• Question 890: The sensory cell that responds to dim light is referred to as the Options:
  A) cone
  B) lens
  C) rod
  D) iris
  Show Answer
  The correct answer is C .