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

How do the roots of land plants get oxygen for breathing?

Why do traffic assistants wear a mask on duty?

How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?

Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?

Most organelles in an eukaryotic cell is found in the

Prokaryotes were the first form of life on earth.

Match the following

Analogy

Prokaryote : Bacteria :: Eukaryote :_______

What type of cells do we have?

Give any three examples of eukaryotic cell?

Draw a neat labelled diagram of a prokaryotic cell.

The Materials which are attracted towards the magnet are called ______.

Paper is not a ______ material.

Rubber is a magnetic material.

Circle the odd ones and give reason

Write down the names of substances.

The process of changing water into its vapour is called ______.

______ is built on rivers to regulate water flow and distribute water.

Take out the cooled bottle of water from the refrigerator and keep it on a table. After some time you notice a puddle of water around it. Why?

To clean the spectacles, people often breathe out on glasses to make them wet. Explain why do the glasses become wet.