SSLC (English Medium) Class 7 - Tamil Nadu Board of Secondary Education Question Bank Solutions

State true of false. If false, give the correct statement.

Argon is mono atomic gas.

Higher Order Thinking Skills.

What changes take place in the movement and arrangement of particles during heating process?

Assertion: Hydrogen is an element.

Reason: Hydrogen cannot be broken down into anything simpler.

Climbing roots are seen in 

Breathing roots are seen in ______ plants.

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

Conical shaped root is carrot.

What are thorns?

Assertion: An example for conical root is carrot.

Reason: It is an adventitious root modification.

Picture based question.

Identify the four plants shown in the following table. Name the different modifications in each of them.

In the circuit diagram below, 10 units of electric charge move past point x every second What is the current in the circuit ______.

In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?

In which of the following circuits are the bulb connected in series?

Higher Order Question

A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder), and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.

• What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?

Draw the circuit diagram for the following series connection

Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up

Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).

In which of the electric circuits would the bulb not light up.

Cold milk is heated and it becomes hot. Which type of change it is?

What type of change is artificial ripening of fruit?

How the iron blade is fixed into a wooden handle in tools used to dig the soil?

Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning