SSLC (English Medium) Class 10 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

An anticoagulant present in the saliva of the leech is called heparin.

Match columns I, II, and III correctly.

Give the common name of the Hirudinaria granulosa.

How many pairs of testes are present in leech?

How does locomotion take place in leech?

Match the items in column-I to the items in column-II:

Inertia of a body depends on

The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be ______ kg.

Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.

A man of mass 100 kg has a weight of ______ at the surface of the Earth.

Assertion & Reasoning

1. Assertion: The value of ‘g’ decreases as height and depth increase from the surface of the Earth.
2. Reason: ‘g’ depends on the mass of the object and the Earth.

Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms^-2. What could be the acceleration of the other body, if the same force acts on it.

What are the types of inertia? Give an example for each type.

Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one other. They are pushed by a horizontally applied force of 15 N. Calculate the force exerted on the 2 kg mass.

A heavy truck and bike are moving with the same kinetic energy. If the mass of the truck is four times that of the bike, then calculate the ratio of their momenta. (Ratio of momenta = 2:1)

If a substance is heated or cooled, the linear expansion occurs along the axis of 

In a simple circuit, why does the bulb glow when you close the switch?

When a circuit is open, _____ cannot pass through it.

The wiring in a house consists of ______ circuits.

What is the role of the earth wire in domestic circuits?