MCQ
Smoke is hotter and lighter than:
- AWater
- BHeat
- ✓Air
- DNone of these
✓
Answer
Correct option: C.
Air
Smoke is hotter and lighter than air. The India Meteorological department forecasts cyclones with the help of $INSAT$ satellite. The heated air that rises up gets cooled and sinks which cause the convection currents.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Tick the correct answer: Cuscuta is an example of:
Which one of the following is a chemical change?
Select the country that is the largest producer of fuel wood in the world.
Choose the correct option from the following: Plants take carbon dioxide from the atmosphere mainly through their:
On which of the following day is “World Water Day” observed?
The speed of a train is $60\ km/ h.$ The distance covered by the train is $4$ hours would be:
→Which of the following statements is$/$are true for sexual reproduction in plants?
$i.$ Plants are obtained from seeds.
$ii.$ Two plants are always essential.
$iii.$ Fertilisation can occur only after pollination.
$iv.$ Only insects are agents of pollination.
Choose from the options given below.
→$i.$ Plants are obtained from seeds.
$ii.$ Two plants are always essential.
$iii.$ Fertilisation can occur only after pollination.
$iv.$ Only insects are agents of pollination.
Choose from the options given below.
When an electric current flows through a copper wire AB as shown in figure, the wire
In amoeba, ingestion of food takes place with the help of:
Disease caused due to poor sanitation is: