EASY
Earn 100

While teaching the topic on ‘Air’ an EVS teacher wanted to demonstrate that air has weight and occupies space. Her colleague suggested the following four different activities for this purpose to her:-

(1) Place an empty inverted beaker on the surface of the water and start pressing it down
(2) Suck the juice through a straw
(3) Blow air in a balloon
(4) Tie two inflated balloons to a rod and establish equilibrium. Then puncture one of the balloons.
Which of the above activities will lead to demonstrating the desired result?

50% studentsanswered this correctly

Important Questions on Environmental Affairs

EASY
The Silent Valley Movement was started in 1973 in the state of?
MEDIUM
In which of the following North Eastern States is the first ever specialised 'Ginger' Processing Plant being revived in December 2020?
EASY
The National Dolphin Research Centre (NDRC) would be opened at which among the following places?
EASY
Who among the following invented a device called PM 2.5 which, when fitted near the silencer pipe in vehicles, will curb air pollution?
EASY
Which one of the following gases released from bio-gas plant is used as a fuel gas? 
EASY
Telangana's first monkey rescue and rehabilitation centre, which opened in December 2020, was located in which of the following districts?
EASY

Air Quality Index is:

1. A measuring instrument of air pollution
2. A number
3. For measuring humidity level
4. For forecasting rain

EASY
Noted Indian environmentalist Sunderlal Bahuguna passed away due to COVID-19 on 21st May, 2021. He was a prominent leader of which among the following movements?
EASY
In the context of forest conservation, the Navadanya Movement was founded in 1987 by ______.
EASY
Trapping and taming operations against wild elephants in Karnataka style is called _____
MEDIUM
Which one of the following does NOT pass through the Kaziranga National Park?
EASY
Which of these places got its name from a local word for mangrove trees?
MEDIUM

International Maritime Organisation is concerned with:

1. Air Pollution
2. Sea Pollution
3. Adulteration in food
4. Deforestation