06:11
Applications of Concave & Convex Mirror - Chapter 11 - Light - Science Class 7th NCERT
05:30
Spherical Mirrors - Chapter 11 - Light - Science Class 7th NCERT
04:50
Q 10 to Q 13 - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
04:47
Q 8 & Q 9 - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
04:46
Q 4 to Q 7, Page 153-154 - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
04:47
Q1 to Q3 - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
05:48
Importance Of Forest, Afforestation & What is Deforestation? Chapter 12 - Forests: Our Lifeline
04:03
How Forests Prevent Pollution & Preserve The Water Cycle - Chapter 12 - Forests: Our Lifeline
01:01
Why Forests Are called Green Lungs? - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
02:59
What is Humus & Who Are Decomposer - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
07:10
Stratification in Forest - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
06:28
Introduction (What is a Forest?) - Chapter 12 - Forests: Our Lifeline - Science Class 7th NCERT
04:31
Q 11 & Q 12 - Chapter 13 - Wastewater Story - Science Class 7th NCERT
02:46
Q 9 & Q 10 - Chapter 13 - Wastewater Story - Science Class 7th NCERT
03:48
Q 5 to Q 8 - Chapter 13 - Wastewater Story - Science Class 7th NCERT
03:37
Q 1 & Q 2 - Chapter 13 - Wastewater Story - Science Class 7th NCERT
06:03
Better Housekeeping Practices - Chapter 13 - Wastewater Story - Science Class 7th
04:47
Treatment of Polluted water - Chapter 13 - Wastewater Story - Science Class 7th NCERT
04:15
Q 3 & Q 4 - Chapter 13 - Wastewater Story - Science Class 7th NCERT
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