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Class 8 Environmental Studies : Environment and Ecology, Bod, Cod, Do (in Hindi)
Lesson 9 of 13 • 0 upvotes • 13:56mins
Shyam Manohar
hello friends welcome to unacademy my name is Shyam Manohar and in this lesson we are discussing about biological oxygen demand chemical oxygen demand and dissolved oxygen this is very important topic for UPTET exam if you really like the video you can thumbs up and if you have any query you can ask me in comment section
(Hindi) UPTET Environmental Studies Complete Crash Course with One Liner and Theory
13 lessons • 2h 23m
1
Introduction Class Environmental Studies (in Hindi)
1:25mins
2
Class 1 Environmental Studies, Ecology (in Hindi)
11:39mins
3
Class 2 Environmental Studies: Food Chain (in Hindi)
9:42mins
4
Class 3 Environmental Studies : Environment and Ecosystem One Liner Questions (in Hindi)
10:30mins
5
Class 4 Environment and Ecology , Keystone Species Foundation Species (in Hindi)
10:02mins
6
Class 5 Environmental Studies : Environment and Ecology, Important One Liner Facts (in Hindi)
15:00mins
7
Class 6 Environmental Studies : Environment and Ecology, Ecological Pyramids (in Hindi)
13:42mins
8
Class 7 Environment and Ecology : One Liner Most Important Facts and Question (in Hindi)
8:08mins
9
Class 8 Environmental Studies : Environment and Ecology, Bod, Cod, Do (in Hindi)
13:56mins
10
Class 9 Environmental Studies : Pollution Air Water Sound and Green Muffler (in Hindi)
9:40mins
11
Class 10 Environmental Studies : Air, Water Pollution Related Disease (in Hindi)
15:00mins
12
Class 11 Environmental Studies : Acid Rain Global Warming One Liner Questions (in Hindi)
12:24mins
13
Class 12 environmental studies / IUCN FAO ISO OZONE LAYER in hindi
12:00mins
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