SSLC (English Medium) कक्षा ६ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

What is biodegradable waste?

Robots will replace human in future.

A machine capable of carrying out a complex series of actions automatically.

Complete the given analogy.

Iron – sulphur mixture : ______:: Mustard seeds from Urad-dhal: Rolling

Give an example for mixture and justify your answer with reason.

Write the sequence of steps you would use for making tea. (Use the words: mixture, dissolve, filtrate and residue).

Make a fruit or vegetable salad. Give reasons why you think it is a mixture.

In a parallel circuit, the electricity has more than one path.

Gas exchange takes place in plants using _____.

Planting trees help in decreasing global warming.

What will happen if we remove plants from the aquarium?

What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?

What will happen if you breathe through mouth?

How do people in cities and rural areas get water for various purposes?

Give reason for the following statement – Sewage should not be disposed of in rivers or oceans before treatment.

The 3R’s are Reduce, ______, and Recycle.

Give two examples of how you can avoid or reduce waste?

______ are robots scaled down to microscopic size in order to put them into very small spaces to perform a function.

______ are push or pull by an animate or inanimate agency.

______ are automatic machines.