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

What is a Presentation?

Give an account of classification of bacteria based on the shape.

What is a Slide?

Write the steps to view a Slide Show.

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

Sheep manure contains high nutrients than farm yard manure.

Differentiate the following.

Farmyard manure and Sheep manure

Higher Order Thinking Skill.

Biomanuring plays an important role in agriculture. Justify

______ is a bacterial disease and it transmits through contamination of wounds, with the bacteria.

______ is the ore with attracting property.

Match the following:

Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.

Write SI units for the fundamental quantity.

Water (or) liquids exert pressure on ______.

The pressure does not depend upon ______.

A solid floats in liquid with a portion of it being submerged. Then ______.

1. The liquid exerts an upthrust equal to the weight of the solid
2. The weight of the dispersed liquid is equal to the weight of solid
3. Solid exerts a force equal to its weight on liquid

If the volume of the object is above the water surface, then the object is less dense.

Differentiate Liquid from Gas

How will you calculate fluid pressure?

Assertion (A): The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal.
Reason (R): The forces acting on a fluid at rest have to be normal to the surface.

Assertion (A): The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal.
Reason (R): The forces acting on a fluid at rest have to be normal to the surface.