MEDIUM
10th West Bengal Board
IMPORTANT
Earn 100

What is methane hydrate? Where it is found? Give an estimate of its energy.

Important Questions on Concerns About Our Environment

EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 1
Almost 90% of total ozone gas exists in the layer-
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 2
This layer has the coldest temperature in the atmosphere-
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 3
Which one of the following converts ozone to oxygen?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 4
Which is not a greenhouse gas?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 5
Because of 'Global warming'-
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 6
Which of the following is a renewable source of energy?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 7
Which of the following is a non-renewable source of energy?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 1 - Concerns About Our Environment>EXERCISE>Q 8
Which fuel has the highest calorific value?