MEDIUM
7th CBSE
IMPORTANT
Earn 100
Draw a neat, labelled diagram of a thermos flask. Explain how the loss of heat by all three modes of heat transfer is minimised in a thermos flask.
Important Questions on Semester Test Paper (Chapters 1 to 10)
EASY
7th CBSE
IMPORTANT
In _____ (physical / chemical) weathering, the chemical nature of the rock is not altered.
EASY
7th CBSE
IMPORTANT
Give one word for the following:
Substances that do not conduct heat very well _____.
(Choose from conductors/insulators)
EASY
7th CBSE
IMPORTANT
Write T for the true F for the false statement. Correct the false statement.
The process of super official removal of the fleece from the coat of an animal is called scouring.
MEDIUM
7th CBSE
IMPORTANT
How does the human body get rid of its wastes? Draw a well-labelled diagram to show the human excretory system
MEDIUM
7th CBSE
IMPORTANT
Which of these chambers in a ruminant help to secrete digestive juices that help in digestion?
