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

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

Hermaphrodite animals have both male and female sex organs.

Differentiate between flat worms and round worms?

The opening of the stomach into the intestine is called ______.

The longest part of alimentary canal is ______.

How is the small intestine designed to absorb digested food?

Microbes that generally enter the body through nose are likely to affect ______.

Why is it important to conserve water?

The area under velocity time graph represents ______.

The slope of the distance-time curve is steeper/greater is the ______.

The slope of the distance-time graph indicates the speed.

Assertion: The position-time graph of a uniform motion in one dimension of a body can have a negative slope
Reason: When the speed of the body decreases with time then, the position-time graph of the moving body has a negative slope.

Assertion: The slope of the distance-time graph of a body moving with high speed is steeper than the slope of the distance-time graph of a body with low velocity.
Reason: Slope of distance-time graph = speed of the body.

What do you infer if

1. Distance – time graph is a straight line.
2. The velocity-time graph is curved.
3. Displacement time is zigzag.

The direction of the magnetic field around a straight conductor carrying current can be determined by ______.

The laws of induction were given by ______.

Fleming’s left-hand rule is also known as the dynamo rule.

Define the right-hand thumb rule.

List four properties of the image formed by the concave mirror when the object is placed between F & P.

The specific heat capacity of water is ______.

Two cylinders of equal height and radius are made of copper and aluminum. Which of them conducts heat faster?