SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Higher Order Thinking Skills.

When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?

During day time, air blows from ______ to ______.

You and your friend are on the moon. Will you be able to hear any sound produced by your friend?

Who proposed the heliocentric model of the universe?

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

In an atom, electrons revolve around the nucleus in fixed orbits.

How was it shown that atom has empty space?

What conclusions were made from the observations of Gold foil experiment?

Acids turn blue litmus paper to ______.

What is a neutralization reaction? Give an example.

______ named carbon.

The non-directional movement of a plant part in response to temperature is called ______.

What is nastic movement?

Give the technical terms for the following:

1. Growth dependent movement in plants. 
2. Growth independent movement in plants.

Explain the movement seen in Pneumatophores of Avicennia.

Differentiate between tropic and nastic movements

Bile helps in the digestion of ______.

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

During digestion, proteins are broken down into amino acids.

Describe the alimentary canal of man

The nutrient required in trace amounts to accomplish various body functions is ______.

Differentiate

Kwashiorkar from Marasmus