SSLC (English Medium) Class 7 - Tamil Nadu Board of Secondary Education Question Bank Solutions

What are the parts of shadow?

What are the properties of shadow?

What is a shadow? What things are necessary for the formation of a shadow?

A good application of plastic is the use of ______

______ are used to identify different types of plastics.

True or False

A lot of plastic pollutes our environment.

True or False

Refuse (avoid) is the best way to manage plastic.

Why is it better to avoid the use of plastic products?

HOTS

The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?

A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?

Look at the following picture and explain what is happening.

Read the following information and convert them into a graph to compare the countries and the amount of plastic they use.

China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.

Fire produced by oil cannot be controlled by ______.

During heating or expansion, the ______.

What happens to matter during heating?

How do hot air balloons float?

Breathing Roots are seen in ______.

______ is a parasite.

The tissue seen in epiphytic roots is called ______.

Match the following: