SSLC (English Medium) कक्षा ८ - Tamil Nadu Board of Secondary Education Question Bank Solutions

What are the causes of temporary hardness and permanent hardness of water?

An example for fossil fuel is _______.

Identify the gas known as syngas. Why is it called so?

Explain the different types of fuel gases.

Osmosis is the movement of water molecules from ______.

The erythrocyte is placed in _______ solution which has lesser concentration of solutes and greater concentration of water than in the cytoplasm.

_______ is a good example for anaerobic respiration.

Match the following.

In hypotonic condition, concentration of the external and the internal solution of the organism are same.

Diffusion is the movement of particles from an area of lower concentration to higher concentration.

Which organ and organ system help to maintain homeostasis?

Explain osmosis with an example.

Why do we need instant energy? Does glucose give that energy? Explain.

How are we preparing pickles? What are the steps involved in that?

Write a short note on different types of muscles.

Differentiate between the following.

Voluntary and Involuntary muscle.

Wildlife Protection Act was implemented in _____.

WWF stands for ______.

Mudhumalai Wildlife Sanctuary is located in ______ district.

______ is observed as ‘World Wildlife Day’