SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Companion cells are closely associated with ______.

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

Phloem is made up of tracheids.

Stomach of human beings mainly digests ______.

Higher Order Thinking Skill

If pepsin is lacking in gastric juice, then which event in the stomach will be affected?

Deficiency diseases can be prevented by taking ______ diet.

Give reason for the following statement.

Deficiency of calcium in diet leads to poor skeletal growth

Bats are the only mammals that can fly.

How does a bat adapt itself to its habitat?

In the headlights of motor vehicles, ______ mirrors are used as reflectors.

______ mirrors make things look larger when objects are placed close to them.

Mass is  ______.

The unit is used to measure mass ______.

Mass is a ______ quantity.

Assertion (A): Mass, Length, and Time are fundamental physical quantities.
Reason (R): They are independent of each other.

What is the standard unit of mass?

Write a short note on the following:

Common (beam) balance:

Write a short note on the following:

Physical balance

Write a short note on the following:

Digital balance

Write a short note on the following:

Spring balance:

The Unit of acceleration is ______.