SSLC (English Medium) कक्षा ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Explain the following terms.

1. Proton
2. Electron
3. Neutron.

Intake of ______ can help to prevent Anaemia.

All batteries are made up of three components an anode, a cathode, and some kind of electrolyte.

The first artificial satellite is ______.

Why Earth is called a unique planet?

Nylon is a plastic polymer made of chemical units called ______.

Match the following:

Ram took with him some nylon ropes when he was going rock climbing. Can you tell why he selected nylon ropes instead of ropes made up of cotton or jute?

All combustion reactions are ______.

What is slow combustion? Give example.

Write the characteristics of good fuel.

The slope of the speed–time graph gives ______.

Saphira moves at a constant speed in the same direction. Rephrase the same sentence in fewer words using concepts related to motion.

What is atomicity of elements?

Calculate the atomicity of H₂SO₄

The first aid is to ______.

State true or false. If false, correct the statement.

First – degree burns damage the whole skin.

First degree burn : Epidermis :: Second degree burn : ______.

Sobi frequently playing with her mobile, suggest your ideas to protect his eye from irritation?

What first aid will you provide in the case of bruises?