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Questions from Class 3 – ECOL102

Question 1: Imagine that you close the doors and windows (assuming no air is going out or coming in) of the room you are sitting in. You are now interested to find out how much oxygen in the room will decrease in one hour.

Is this an Ecological experiment? If yes, then how what are the boundaries of the ecosystem in which you are conducting this experiment. What are the biotic factors you are focusing on? What are the abiotic factors you are focusing on?

You know from a previous experiment that the total amount of oxygen inhaled by you in one hour is 100 units, However, you find that the total decrease in oxygen concentration in the room in one hour is 105 units. What could this mean?


Question 2: Why are groups of similar looking organisms called one population and not one species? Can you give an example of a population to show how it is different from a species?


Question 3: It is said that we must not keep spraying mosquitoes with the same insecticides/ spray to kill them, otherwise they will get immune to it. Can a mosquito really get immune after consuming the same chemical again and again? If yes, then why don’t we humans get immune to pollution too!? If no, then why do we say that?


 

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Let me clarify once again that this is formative assessment and is not being evaluated. So please type in your answers as you would reply to them in class. This is for helping you learn better.

Associate Professor, Jindal School of Environment and Sustainability

Dr. Govind Singh is Associate Professor of Environmental Studies and Assistant Dean of Academic Affairs at JSES, O. P. Jindal Global University. The JSES (Jindal School of Environment and Sustainability) is a pioneering School which offers India’s first truly interdisciplinary undergraduate degree in Environmental Studies.

[Download Course Brochure]

JSES Website

Consultant with HSBC Water Security Programme at Water Aid

Dr. Govind Singh accepted a short-term Consultant position with Water AID, an international non-governmental organisation set up in 1981.

Hands-on Workshop at Guru Jambeshwar University, Hisar

Dr. Govind Singh was invited to deliver hands-on training workshop on Creating Vertical Gardens by Guru Jambeshwar University (GJU), Hisar.

Mentor of Rural Immersion Expedition to Uttarakhand

Dr. Govind Singh was the Mentor of the Rural Immersion Expedition to Vikasnagar Circle, Uttarakhand as part of a Delhi Greens project.

Interactive Talk at Sweden Alumni Network Eco Fika

Dr. Govind Singh was invited to deliver an Interactive Talk on Sustaining Delhi: Are We Winning? by the Delhi chapter of Sweden Alumni Network.

Director (Honorary), Delhi Greens

Dr. Govind Singh servers on the Board of Trustees of the Delhi Greens non-profit organisation. He is also the Hon. Director of the organisation.

Delhi Greens is a Delhi based non-profit organisation set up in the year 2007 with the objective of protecting and preserving our common environment.

Delhi Greens website

Delhi Greens Blog Magazine website