Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Air is:
  • A
    God conductor of heat.
  • ✓
    Bad conductor of heat.
  • C
    Neither good or bad conductor of heat.
  • D
    Sometimes good and sometimes bad conductor of heat.
✓

Answer

Correct option: B.
Bad conductor of heat.
This is because its molecules are not in direct contact with one another. Heat conduction occurs best through substances whose molecules are in contact with one another. So air is a bad conductor of heat.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Natural Resources→Natural Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Oxygen is harmful for:
→
Increase in momentum by $20\%$ will increase the $K.E.$ by:
→
Clean drinking water is related to:
→
Identify the action that can cause motion of a book placed on a table:
→
Which of these options are not a function of ribosomes?
  1. It helps in manufacture of protein molecules.
  2. It helps in manufacture of enzymes.
  3. In helps in manufacture of hormones.
  4. In helps in manufacture of starch molecules.
→
Infectious diseases spread through:
→
Mixed cropping ______:
→
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of:
→
Matrix of connective tissue is produced by:
→
In which of the following agricultural methods does the farmer sows beans in his fields after harvesting a crop of wheat?
→