• (A) Even when water looks clean, it might still carry harmful things
• (B) Dirty water always looks black
• (C) Polluted water always smells bad
• (D) Clear water is always safe

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• (A) Namami Gange
• (B) Green India Mission
• (C) Smart Cities Mission
• (D) Digital India

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• (A) Godavari
• (B) Krishna
• (C) Ganga
• (D) Narmada

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• (A) People only
• (B) Fish only
• (C) Birds only
• (D) People, fish and birds

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• (A) The river is more likely to stay fresh and full of life
• (B) Fish stop needing oxygen
• (C) Fertilisers increase automatically
• (D) Rivers stop flowing

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• (A) The polluted river
• (B) Both are equally healthy
• (C) The river with less pollution
• (D) Health cannot be affected by pollution

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• (A) Every small action helps keep water bodies healthy
• (B) Small actions increase pollution
• (C) Rivers do not need protection
• (D) Pollution disappears naturally

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• (A) Throwing waste into drains
• (B) Using eco-friendly products and reducing waste
• (C) Dumping fertilisers into ponds
• (D) Washing vehicles directly in rivers

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• (A) Hidden pollutants in water
• (B) River source formation
• (C) Delta formation
• (D) Dam construction

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• (A) Human activities affect water quality and the health of living beings
• (B) Rivers flow without affecting life
• (C) Pollution changes only the colour of water
• (D) Water bodies are unrelated to people’s actions

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