Environmental Studies Pollutants TS TET MCQ

[{"selector":"#anim-13b8f749-d8de-4fb3-8cd2-400a90fc56f9","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0626f1b9-6774-412c-bbf8-c5fd530e9f75","keyframes":{"transform":["translate3d(0px, 1055.03443%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

09 In kitchens, bathrooms the polluted air sent out by ..... 1. exhaust fan 2. selling fan 3. table fan 4. none

10 Water sources in deserts are ..... 1. lakes 2. canals 3. oases 4. none

[{"selector":"#anim-9400d40e-ecdf-4966-9d49-58e9fa1a7699","keyframes":[{"transform":"rotate(-540deg) scale(0.1)","opacity":0},{"transform":"none","opacity":1}],"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both","iterations":1}]

11 Complete salt water present in ....... 1. rivers 2. seas 3. wells 4. none

12 Percentage of water suitable to us on the earth ..... 1. 1 2. 2 3. 3 4. 4

[{"selector":"#anim-85a37d87-2598-47d2-a8f0-76dab6999c11","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d0a6e9f2-eeee-46a6-9a1c-17ab2e5b9ad9","keyframes":{"transform":["translate3d(0px, 268.37606%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

13 It is better to drink at least ....... glasses of water everyday 1. 5 2. 10 3. 15 4. 20

14 Pure and drinking water is ....... 1. odorless 2. colorless 3. a and b 4. none

[{"selector":"#anim-70c4ebc3-641f-4361-a7d1-b6aff73aa062","keyframes":[{"transform":"scale(1)","offset":0},{"transform":"scale(1.5)","offset":0.33},{"transform":"scale(0.95)","offset":0.66},{"transform":"scale(1)","offset":1}],"delay":0,"duration":1450,"easing":"ease-in-out","fill":"both","iterations":1}]