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 511:

  Spirogyra reproduces vegetatively by

  Options:
  A) spore production
  B) fragmentation
  C) multiple fission
  D) budding
  E) binary fission
  Show Answer
  The correct answer is B .
• Question 512:

  One of the functions of the xylem is?

  Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  Show Answer
  The correct answer is A .
• Question 513: The lowest unit of classification is the Options:
  A) class
  B) genus
  C) phylum
  D) species
  Show Answer
  The correct answer is D .
• Question 514: Which of the following is not a characteristics of snail? Options:
  A) Bilateral symmetry
  B) Chitinous exoskeleton
  C) Muscular foot
  D) soft unsegmented body in mantle
  Show Answer
  The correct answer is B .
• Question 515:

  

  Use the diagram above to answer this question.

  With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

  Options:
  A) l,IV,II and lll
  B) IV, lll, ll and l
  C) l, ll, IV and lll
  D) lll, ll, IV and l
  Show Answer
  The correct answer is B .
• Question 516:

  Which is an animal without red blood cells?

  Options:
  A) Frog
  B) Earthworm
  C) Snake
  D) Peacock
  Show Answer
  The correct answer is B .
• Question 517: The fleshy base of a flower to which the different floral parts are attached is known as Options:
  A) calyx
  B) sepals
  C) Receptacle
  D) hypothalamus
  Show Answer
  The correct answer is C .
• Question 518: One of the following statement is not true of viruses Options:
  A) They are micro-organisms
  B) They are smaller than bacteria
  C) They can be seen with an ordinary light microscope
  D) They cause tobacco disease
  E) They cause polio and smallpox
  Show Answer
  The correct answer is C .
• Question 519: The DNA molecule is a chain of repeating Options:
  A) nucleosides
  B) nitrogenous bases
  C) sugar phosphates
  D) nucleotides
  Show Answer
  The correct answer is D .
• Question 520: Oxygen liberated during photosynthesis has been demonstrated to come from Options:
  A) carbondioxide
  B) air
  C) water
  D) chlorophyll
  Show Answer
  The correct answer is C .