SSLC (English Medium) कक्षा ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions

______ was developed is 1887 by Yei Sakizo of Japan

______ cell is used to operate devices such as mobile phones, computers, and emergency lights.

A battery is a group of ______.

Match the following

What is the source of electric current in a T.V. remote?

Name the portable form of an avalanche cell.

Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.

Define electric cell. What is the direction of the electric current in a cell?

Write the differences between the primary cell and the secondary cell.

solid substances like ______, ______ that get converted into gas directly upon heating without becoming liquid.

______ is not a fugus.

Fungi need water to complete their life cycle.

Match the following:

Mention two salient features of class Mammalia.

Stars mainly consist of ______.

All planets except mercury in our solar system have Moons.

Name the star that appears to be stationary in the night sky.

Name the planets which have more than 60 Moons.

What is the distance that light travels in one year called?

Write a note on the planet.