Tag: living world and classification

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Questions Related to living world and classification

Multiple choice zoology biology : an introduction characteristics of life living world and classification attributes of living organisms

Which of the following is a defining characteristic of living organisms?

  1. Growth

  2. Ability to make sound

  3. Reproduction

  4. Response to external stimuli
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In physiology, a stimulus is a perceptible change in the interior or outside condition. The capacity of a living being or organ to react to outside upgrades is called affectability. 

So, the correct option is 'Response to external stimuli'.

Multiple choice biology biology : an introduction characteristics of life living world and classification attributes of living organisms

All living things perform the action of 

  1. Eating

  2. Growing

  3. Breathing

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
All living things show following distinguished characters
  • Reproduction and metabolism
  • Response to stimuli.
  • Growth and development.
  • Adaptation through evolution
For showing these characters they perform an act of eating, growing, adapting, moving and breathing.
Hence the option D "all of the above" is correct.
Multiple choice biology biology : an introduction characteristics of life living world and classification attributes of living organisms

Fish breathe through

  1. Gills

  2. Lungs

  3. Stomata

  4. Skin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
In aquatic animals such as fish, respiration takes place through special respiratory organs called gills. Gills are present on lateral sides of the head of fish. It is made of gill filaments present on gill arches which are heavily supplied with blood capillaries for an exchange of gases. the filaments increase the area of absorption.
Hence the correct option is A "gills".