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

What are the reasons for scarcity of water?

Analogy:

Low rainfall: Water scarcity:: Recycling Water: ______.

______ is used as surgical antiseptic.

______ is used in mouthwash in low concentrations.

Analogy:

Making casts for statues: Plaster of Paris:: Used as a mouthwash ______.

Write about the Phenol and its uses.

What are the uses of magnets?

The correct relation among the following is

Vehicles moving with varying speeds are said to be in uniform motion.

Complete the analogy.

Distance : metre :: Speed: ______?

A vehicle covers a distance of 400km in 5 hours. Calculate its speed.

Malnutrition leads to _________.

Iodine deficiency leads to ______ in adults.

Complete the analogy.

Iodine : Goitre :: Iron : _____.

Biscuits kept open on a plate during monsoon days lose its’ crispness. Why?

Analogy

Food producer : Chloroplasts :: Power house : ____

Circle the odd ones and give reason

How does the electromagnetic train work?

Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is ______.

Analogy

Ground water : ______ :: Surface-water : lakes