HARD
7th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram to show a fire alarm that uses the principle of expansion of heat.

Important Questions on Half-Yearly Test Paper For Chapters 1 - 10

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
Which of these elements do plants need in addition to glucose to synthesise proteins?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
How many chambers does the stomach of a cow have?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
Which is the smallest particle of an element that can take part in a chemical reaction?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
Cloth made out of which of these when burnt will smell like burning hair?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
At what temperature will the reading on a Celsius thermometer be the same as that on a Fahrenheit thermometer?
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
Choose the correct one.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
Which of these is not a mineral acid?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 21 - Half-Yearly Test Paper For Chapters 1 - 10>HALF-YEARLY TEST PAPER for Chapters 1 - 10>Q D
If a chemical equation has '+ heat' on its right-hand side, it is definitely: