MEDIUM
7th CBSE
IMPORTANT
Earn 100

Draw two neat and labelled diagrams one for closed circuit and bulb glows and other for open circuit and bulb does not glow.

Important Questions on Periodic Test-4

MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 5
What is an electromagnet?
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 6
What is a lens? What are its kinds?
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 8
Why are forests being cut these days?
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 9
Outline the stages in the treatment of sewage.
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 10
Name three kinds of mirrors. State the nature of image formed in them, when held close to the face.
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 11
Mention the factors responsible for the depletion of the water table.
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 12
Mention the names of the plants which provide us food.
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 23 - Periodic Test-4>PERIODIC TEST- 4 (Based on Chapters 14 to 18)>Q 12

Mention the names of the plants which provide us medicine.