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 1021:

  The vessel carrying oxygenated blood to the tissues is

  Options:
  A) Arteries
  B) Ventricles
  C) Aorta
  D) Lung
  Show Answer
  The correct answer is A .
• Question 1022:

  Which of the following is a nitrifying bacterium?

  Options:
  A) Rhizobium
  B) Nictrobacter
  C) Azotobacter
  D) Pseudomonas
  Show Answer
  The correct answer is B .
• Question 1023:

  Which of the following is a difference between plant and animal cells?

  Options:
  A) Plant cells have a nucleus, while animal cells do not
  B) Plant cells have a cell membrane, while animal cells have a cell wall
  C) Plant cells contain chloroplasts for photosynthesis, while animal cells do not
  D) Plant cells have a central vacuole, while animal cells have multiple small vacuoles
  Show Answer
  The correct answer is C .
• Question 1024: Which one of the following option is not true for mucor of Rhizophus? it Options:
  A) Grows on moist dead organic matter
  B) Is a plant
  C) Has cellulose cell-wall
  D) Reproduce asexually by producing a spore
  E) Has no chlorophyll
  Show Answer
  The correct answer is B .
• Question 1025: Refrigeration, as a method of preservation, has ONE of the following characteristics: Options:
  A) Kills all the bacteria
  B) Kill most of the bacteria
  C) Makes the bacteria inactive
  D) Dries food
  E) Hydrolyses food
  Show Answer
  The correct answer is C .
• Question 1026: The stem differs from the root in having the xylem and phloem strands Options:
  A) on the same radii
  B) scattered
  C) on alternate radii
  D) towards the pith
  Show Answer
  The correct answer is A .
• Question 1027: Example of water-borne and sex linked diseases are Options:
  A) taeniasis and malaria
  B) cholera and gonorrhoea
  C) typhoid and syphilis
  D) dracunculiasis and haemophilia
  Show Answer
  The correct answer is D .
• Question 1028: Which of the following statements about the dentition of man is INCORRECT ? man has Options:
  A) More molars than incisors
  B) No diastema
  C) The same number of teeth on upper and lower jaw
  D) A total of thirty-two teeth
  E) A total of six molars
  Show Answer
  The correct answer is E .
• Question 1029: If the offspring of a cross between a brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result? Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is C .
• Question 1030:

  Both recesssive and dominant characters are found

  Options:
  A) on different chromosome in the cell
  B) at the same logus of a homologous chromosome
  C) at a different loci of a homologous chromosome
  D) on the same chromatid in a chromosome
  Show Answer
  The correct answer is B .