Please Login To Continue

Class 8 Environmental Studies : Environment and Ecology, Bod, Cod, Do (in Hindi)

Lesson 9 of 13 • 0 upvotes • 13:56mins

Avatar

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

Continue on app
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

Crack UPTET with Unacademy

Get subscription and access unlimited live and recorded courses from India's best educators
Structured syllabus
Structured syllabus
Daily live classes
Daily live classes
Ask doubts
Ask doubts
Tests & practice
Tests & practice

Similar Plus Courses

thumbnail
ENROLL
HinglishDisaster Management

Complete Course on Disaster Management - UPSC CSE - GS

Sumit Konde

Unacademy is India’s largest online learning platform. Download our apps to start learning


Starting your preparation?

Call us and we will answer all your questions about learning on Unacademy

Call +91 8585858585
Company
About usShikshodayaCareersBlogsPrivacy PolicyTerms and Conditions
Products
Learner appLearner appEducator appEducator appParent appParent app