Why do the clothes keep us warm during winter?
Ans : Clothes prevent the heat of the body to escape.
Why do we hear better on water than land?
Ans : Sound travels faster in water than air
Why are the mountains cooler than plains?
Ans : Air on the mountains is less dense so it absorbs less heat.
Why is it easier to swim in sea water than in river?
Ans : Density of sea water is higher
The only paramilitary force which has an exclusive ‘Mahila Battalion’ is
Ans : CRPF batch – 88
The largest paramilitary force in India
Ans : Central Reserve Police Force (CRPF)
Who is legally competent to declare war or conclude peace treaty
Ans : The President
Thumba rocket launching station is in which state
Ans : Kerala