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 211:

  The presence of ______ for swimming in a tad-pole enables it to adapt in an aquatic habitat.

  Options:
  A) Gills
  B) Swim bladder
  C) Tail
  D) Fins
  Show Answer
  The correct answer is C .
• Question 212:

  Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale?

  Options:
  A) Organs, tissues, cells, organisms, populations, communities, ecosystems
  B) Cells, organs, tissues, organisms, populations, communities, ecosystems
  C) Tissues, organs, cells, organisms, populations, communities, ecosystems
  D) Cells, tissues, organs, organisms, populations, communities, ecosystems
  Show Answer
  The correct answer is D .
• Question 213: What is the primary function of cofactors? Options:
  A) To aid in enzyme function
  B) To synthesize enzymes
  C) To inhibit enzymes
  D) To break down old enzymes
  Show Answer
  The correct answer is A .
• Question 214: What is the level of organization of an onion bulb? Options:
  A) tissue
  B) organ
  C) systemic
  D) oranismal
  Show Answer
  The correct answer is B .
• Question 215: Carbon monoxide poisons tissue by Options:
  A) constricting the blood vessels
  B) killing the cells
  C) combining with haemoglobin
  D) rupturing the blood vessels
  Show Answer
  The correct answer is C .
• Question 216:

  What type of vertebrate assists in breathing alongside with the ribs?

  Options:
  A) Sacral
  B) Caudal
  C) Thoracic
  D) Lumber
  Show Answer
  The correct answer is C .
• Question 217:

  Which of the following food substances will produce a brick-red colour when warmed with Benedict's solution?

  Options:
  A) Glucose
  B) Starch
  C) Egg White
  D) Maltose
  Show Answer
  The correct answer is A .
• Question 218: Which of the following describes a characteristic of arthropods? Options:
  A) The organism finds it easy to grow freely
  B) the organism has a pair of jointed appendages
  C) the body is not divided into a number of segments seg
  D) the body is covered by chitin
  Show Answer
  The correct answer is D .
• Question 219: Flame cells are the Options:
  A) excretory system of worms
  B) excretory and respiratory systems of flatworms
  C) secretory syustem of flatworms
  D) excretory system of flatworms
  Show Answer
  The correct answer is D .
• Question 220: The bright colours of the comb and feathers in the peacock are for Options:
  A) sex differenciation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .