SSLC (English Medium) Class 6 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

What is the use of indicator?

Write some materials prepared by chemical changes.

______ is a natural indicator.

Arrange the following statements in correct sequence:

1. One side is water-loving and other water-hating molecules.
2. When you agitate the cloth, the dirt is surrounded by many molecules and taken away from the cloth.
3. The dirt surrounded by the detergent molecules floats in the water making it dirty.
4. Finally, the cloth is clean.
5. The detergent molecules have two sides.
6. Water hating goes and joins with dirt and oil in the cloth while the water-loving joins with the water molecules.

Grains can be separated from their stalks by ______.

Virus can grow and multiply outside host.

Influenza is a _____ disease.

Complete the analogy.

Cholera : Bacteria :: Smallpox : _____

Mention any two viral diseases.

______ is a cellular agent that replicates only inside the cells of the other living organism.

______ can kill damage or change the cells and make you sick.

Complete the Analogy.

Polio: Virus:: Tetanus: ______.

What is a Retrovirus?

Lighter impurities like dust when mixed with rice or pulses can be removed by ______.

______ is essential to perform winnowing activity.

Grain and husk can be separated by winnowing.

Complete the given analogy.

Husk-Grains : Winnowing :: Sawdust-Chalk piece : ______

Complete the given analogy.

Husk-Grains : Winnowing :: Sawdust-Chalk piece : ______

Complete the given analogy.

Husk-Grains : Winnowing :: Sawdus-Chalk piece : ______.

Complete the given analogy.

Husk-Grains : Winnowing :: Sawdust-Chalk Piece : ______.