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 1511: In an agricultural ecosystem, the biotic component consists of Options:
  A) crop, pest and beneficial insects
  B) crops, temperature and humidity
  C) pests, beneficial insects and water
  D) crops, water and soil
  Show Answer
  The correct answer is A .
• Question 1512: The population of different organisms that exist together in a habitat is called Options:
  A) biomes
  B) biosphere
  C) community
  D) ecology
  Show Answer
  The correct answer is C .
• Question 1513: In dicotyledonous stem, each companion cell is founded beside the Options:
  A) endodermal cell
  B) xylem vessel
  C) sieve tube
  D) pericyclic fibre
  Show Answer
  The correct answer is C .
• Question 1514: Birds maintain their body temperature with the help of their Options:
  A) blood which maintains constant temperature
  B) feathers which cover the body
  C) skin which conserves moisture
  D) veins which transport fluid of constant temperature to all body tissues
  Show Answer
  The correct answer is B .
• Question 1515: The main function of the swim-bladder is for Options:
  A) Swimming
  B) Detecting sound
  C) Buoyancy
  D) Breathing
  E) Reproduction
  Show Answer
  The correct answer is C .
• Question 1516: Which of the vertebra has a projection called odontoid process? Options:
  A) Atlas
  B) Axis
  C) Thoracic
  D) Lumber
  E) Caudal
  Show Answer
  The correct answer is B .
• Question 1517: The conversion of a nutrient into a molecule in the body of a consumer is referred to as Options:
  A) digestion
  B) assimilation
  C) absorption
  D) inhibition
  Show Answer
  The correct answer is B .
• Question 1518:

  

  The parts used for feeding is labelled

  Options:
  A) I
  B) J
  C) K
  D) L
  Show Answer
  The correct answer is C .
• Question 1519: The mode of nutrition exhibited by a tapeworm is Options:
  A) symbiotic
  B) saprophytic
  C) parasitic
  D) holozoic
  Show Answer
  The correct answer is C .
• Question 1520: In animals, meiosis comes Options:
  A) after fertilization
  B) after ever mitotic division
  C) before fertilization
  D) before every mitotic division
  Show Answer
  The correct answer is D .