Abhishek Kumar

In this course Abhishek will discuss the last four chapters of 12th Biology NCERT which is related to environment and ecology. This is very valuable series because UPSC have been asking few questions every year from these four chapters directly or indirectly. Tags: UPSC environment and Ecology,  Environment and Ecology, 12th Biology NCERT, Environment related important topics from NCERT, UPSC preparation study, UPSC Online study, UPSC CSE

Crack UPSC CSE Prelims and Mains Exams. Know how to prepare for UPSC 2019 and 2020, complete syllabus, exam patterns, latest notifications to join IAS, IFS, IPS and other cadres of Civil Services.

UPSC CSE - GS

UPSC - Civil Services Examination (IAS) Preparation

English

Summary of Biology NCERT Class 12 - Environment Related Chapters for UPSC Aspirants

Environment and Ecology

NCERT Class 12th Biology

Sci & Tech - NCERT Summary

NCERT Summary

UPSC CSE

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Test Preparation

Union Public Service Commission Exams (UPSC)

Science & Technology -  NCERT Summary

In this lesson Abhishek will give an idea about the whole course along with its objectives , list of lessons and who is the target audiences.

Overview

In this lesson I've explained all about Ecosystem, Ecology, Environment, Organism and Biome.

Organism and Environment

In this lesson Abhishek has explained major abiotic factors like temperature, water, soil and light and the responses to them, i.e. regulator, partial regulator, conformer, migration and suspension.

Major Abiotic Factors and Responses to It

In this lesson you will get an idea about adaptation, population and population pyramids- expanding, stable and declining.

Adaptation, Population and Population Pyramids

In this lesson Abhishek has explained six types of population interactions.

Poulation Interaction

In this lesson Abhishek has explained about ecosystem, productivity, gross primary productivity, net primary productivity, food chain, food web and energy flow.

Ecosystem, Productivity and Energy Flow

In this lesson Abhishek has explained all about ecological pyramids and its types- pyramid of numbers, pyramid of biomass and pyramid of energy, ecological succession- primary succession, secondary succession, pioneer species and climax species.

Ecological Pyramids and Ecological Succession

in this lesson Abhishek has explained about biogeochemical cycle or nutrient cycle with their examples like carbon cycle, phosphorus cycle and nitrogen cycle, differences between carbon cycle and phosphorus cycle and finally ecological services.

Biogeochemical Cycle

In this lesson Abhishek has explained about biodiversity with its three levels, genetic diversity and its species, ecosystem of community diversity and finally ecosystem.

Biodiversity and Ecosystem

In this lesson Abhishek has explained about biodiversity and the reasons for its loss and conservation.

Biodiversity Loss and Conservation

In this lesson you will get an idea about pollution, air pollution, water pollution, the diseases associated with these, their sources and control measures.

Pollution and Its Control Measures

In this lesson Abhishek has explained about solid waste, agrochemicals, pesticides, insecticide, herbicide, deforestation and nuclear waste.

Soil and Nuclear Wastes, Agrochemicals and Deforestation

In this lesson Abhishek has explained about greenhouse gases, greenhouse effect, global warming and ozone depletion.

Greenhouse Effect and Global Warming

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Mukesh Kumar

Haloderivative are covered in this course

(Hindi) Haloderivative: UPSC CSE

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Sunil Chandra Joshi

In this course, the educator is discussing all chapters of Biology subject of class 12th which is beneficial for the students as well as aspirations of KVS PGT BIOLOGY, LECTURER BIOLOGY, IAS, PCS and many science competition exams.

(Hindi) UPSC CSE: NCERT Class 12 Biology

Shreyaa Sharma

This course serves as a comprehensive revision module for the portion pertaining to ecology in the class 12 NCERT .

(Hindi) Class 12 Biology NCERT Unit 10: Ecology Summary

I'm a mechanical engineer, defence analyst and writer. I love to teach.

Nikhil Puranik

It contains detailed lessons on class 12 NCERT Human Welfare, Biotechnology and Ecology. There are a total of 2 lessons under each topic. After going through the lesson on will be able to gain sufficient knowledge with respect to Biology  Class 12 NCERT. It's a descriptive course giving ample knowledge about it and it's a never miss course before UPSC CSE Examination with respect to Science and Technology.

(Hindi) Summary of Class 12 NCERT: Human Welfare, Biotechnology and Ecology

Sumeet Beniwal

This course is the summary of last four chapters of class 12 Biology NCERT

(Hindi) Summary on Class 12 Ecology and Environment for UPSC CSE

Ankit Maharshi

This course is about basics of electrostatics and information about field concept.

Lessons

13 lessons • 1h 35m

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Overview

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Organism and Environment

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Major Abiotic Factors and Responses to It

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Adaptation, Population and Population Pyramids

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Poulation Interaction

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Ecosystem, Productivity and Energy Flow

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Ecological Pyramids and Ecological Succession

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Biogeochemical Cycle

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Biodiversity and Ecosystem

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Biodiversity Loss and Conservation

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