General Knowledge MCQs & Hindi GK Quizzes

Question #71284

The permissible upper limit of Arsenic in water is?

A 0.005 gm/litre

B o.oo5 mg/litre

C 0.05 mg/litre

D 0.05 gm/litre

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Question #71283

Ozone layer above the surface of Earth provides a shield against?

A X -rays

B Ultra violet rays

C Gamma rays

D Infra red rays

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Question #71282

Biodegradable wastes can usually be converted in to useful substances with the help of?

A Bacteria

B Nuclear proteins

C Radioactive substances

D Viruses

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Question #71281

Of the following which one pollutes the air of a big city?

A Copper

B Chromium

C Lead

D Calcium

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Question #71280

Earth Summit was held in?

A Chicago

B Adelaide

C Rio de Jeneiro

D London

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Question #71279

Garbage can be put under four categories: organic, toxic, soiled and recyclable. Of the organic waste, this forms an important part?

A Plastic bags

B Vegetable peels

C Glass

D Metal

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Question #71278

What is the primary source of food for marine life?

A Phytoplankton

B Zooplankton

C Sea weed

D Grass

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Question #71277

Cataract blinds at least 120 million people globally every year. What is its main cause?

A Heredity

B Ultraviolet radiation

C Unbalanced diet

D Gasoline fumes

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Question #71276

The Wildlife Week is celebrated from?

A 2 - 8 October

B 1 7 June

C 16 22 April

D 14 20 January

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Question #71275

The Geysers, a large steam reservoir north of San Francisco, USA, is the worlds largest source of?

A Coal

B Geothermal power

C Hydropower

D Natural gas

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