Which among the following is a written supplementary, explanatory or appended document of Indian constitution?

Which of the following factors is/are responsible for tides on earth?

1. Rotation of Earth
2. Gravitational pull of Moon
3. Revolution of Earth

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Gautam Buddha is known to have concentrated on two most important questions about existence. Which among the following is / are those two questions?

1. How can we minimize suffering (own and others)
2. How can we attain inner peace?
3. Whether suffering continues only for this life or for next life
4. If the world is eternal (or not)

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How can we prepare Hydrogen at our home?

1. Immersing alkali metals in water at room temperature
2. Pouring Sulphuric acid on a copper plate
3. Boiling zinc with caustic soda
4. Passing electric current through rainwater

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The recently launched SATYAM programme aims to strengthen research in the areas of which field?