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 1181: which of the following is an agent of a sexually transmitted disease? Options:
  A) Entamoeba histolytica
  B) Salmonella typhi
  C) Treponema pallidum
  D) Clostridium tetani
  Show Answer
  The correct answer is C .
• Question 1182: 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 1183: The interaction of a community of organisms with its abiotic environment constitutes Options:
  A) niche
  B) a food chain
  C) an ecosystem
  D) a mirohabitat
  Show Answer
  The correct answer is C .
• Question 1184: To which blood group do universal recipients belong? Options:
  A) B
  B) A
  C) O
  D) AB
  Show Answer
  The correct answer is D .
• Question 1185: One cubic centimeter of lymph is richer than an equal volume of blood in Options:
  A) erythrocytes
  B) leucocytes
  C) amino acid
  D) glucose
  Show Answer
  The correct answer is B .
• Question 1186:

  Which of the following is an example of discontinous variatio?

  Options:
  A) The range in height of a pea plant from 30cm to 50cm
  B) Offsprings including two male cats and three female cats
  C) The colour of pear plants grown in the dark
  D) The adult body weight ranging from 50kg to 95kg
  Show Answer
  The correct answer is B .
• Question 1187: Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? Options:
  A) pH
  B) Salinity
  C) Water current
  D) Turbidity
  Show Answer
  The correct answer is A .
• Question 1188: A freshwater pond may contain Options:
  A) tadpole, water boatman, leeches and crab
  B) water beetle, shrimps, water snail and water bug
  C) water lily, fish, water scorpion and dragon larva
  D) pon skater, water lily, shark and mosquito larva
  Show Answer
  The correct answer is C .
• Question 1189:

  Which of the statements below is not characteristic of wind-pollinated flowers?

  Options:
  A) Stigmas are usually large and feathery
  B) Nectary is usually absent
  C) The pollen grains have rough spiny surfaces
  D) The flowers are not scented.
  Show Answer
  The correct answer is C .
• Question 1190: Which of these organisms partly digest its food extracellularly? Options:
  A) Housefly
  B) Cockroach
  C) Termite
  D) Mosquito
  Show Answer
  The correct answer is C .