Give One Example of Reuse. - Science and Technology 2

Give one example of Reuse.

एका वाक्यात उत्तर

Water used for washing vegetables, fruits, etc. can be collected and reused to water garden plants or potted plants.

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Use of Efficient and Eco-friendly Technology

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

2015-2016 (July)

Q 4.A | 5 marks

Write any two measures to conserve water.

Solar water – heater works on renewable energy system

Write a short note on pressure cooker.

What is the need to use eco-friendly technology?

Fill in the blank:

______________ is a greenish coloured poisonous gas.

Choose the correct alternative and rewrite the following:

Twenty dry raisins were soaked in 50 ml of water and kept for one hour at 500 C. Which out of the following is the correct observation?

Write the advantages of recycling.

Give two examples of efficient technology.

What is nano-technology?

Discuss the role of eco-efficiency technology.

Discuss the concept of eco-friendly technology.

Discuss the role of eco-friendly technology.

Discuss the concept of eco-efficiency technology.

Give two examples of eco-friendly technology.