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Subjects
Science CBSE
Class 10
Our environment
Textbook based HOTS
12.
Multiple choice questions XII
Exercise condition:
2
m.
1
.
Amount of energy transferred from one trophic level to the next is
10%
20%
15%
1.5%
2
.
Ozone shield protects us from
UV-C & UV-B
UV-C
UV-B
Cosmic rays
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