Tag: biology : an introduction

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Questions Related to biology : an introduction

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

In the binomial system of taxonomy, developed during the $18^{th}$ century by C. Linnaeus, the second word of an organism's biological name represents.

  1. Species

  2. Genus

  3. Race

  4. Family
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In the binomial system of taxonomy, the second word of an organised biological name represents the species. The binomial nomenclature was formed by Linnaeus. In this, each name has two components the generic name and the specific epithet. Generic name starts with capital letter while the other with small letter. Both the word, when handwritten are separately underlined or printed in italics to indicate their Latin origin. Name of the another appear at the end of the biological name in abbreviated form.

eg:- Mangifera indica Linn was first described by Linnaeus ans is the scientific name of mango. Mangifera is the gnus while indica is the species name.

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".