Class 11 Environmental Studies Important Chapter 2 Ecological Concept

Class 11 Environmental Studies Important Chapter 2 Ecological Concept Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters ASSEB Class 11 Environmental Studies Important Solutions and select need one. AHSEC Class 11 Environmental Education Additional Notes English Medium Download PDF. HS 1st Year Environmental Studies Important Solutions in English.

Class 11 Environmental Studies Important Chapter 2 Ecological Concept

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. ASSEB Class 11 Environmental Studies Additional Question Answer are part of All Subject Solutions. Here we have given HS 1st Year Environmental Studies Important Notes in English for All Chapters, You can practice these here.

Ecological Concept

Chapter: 2

UNIT- I : Environmental Education

IMPORTANT QUESTION AND ANSWER

Short Question and Answer:

1. What is ecology?

Ans: Scientific study of the interrelationship between plants, animals, microorganisms, and their environment is called ecology.

2. How many types of natural ecosystems are there?

Ans: Natural ecosystems are divided into two types.

3. What are the animals called that directly consume producers as food?

Ans: Animals that directly consume producers as food are called herbivores or primary consumers.

4. From where is the word ‘Ecology’ derived?

Ans: The word ‘Ecology’ comes from the Greek words ‘Oikos’ and ‘Logos’.

5. What are the two types of natural ecosystems? Mention with examples.

Ans: (i) Terrestrial Ecosystem. 

Example: Forest ecosystem, grassland ecosystem, desert ecosystem.

(ii) Aquatic Ecosystem:

It may include freshwater (e.g., flowing like rivers or stagnant like ponds/lakes) and marine ecosystems.

6. What are macro-consumers?

Ans: Animals that directly or indirectly obtain food from producers are called macro-consumers.

7. What is a food chain?

Ans: In any ecosystem, the sequential link of organisms eating and being eaten is called the food chain.

8. What is the meaning of ‘Oikos’?

Ans: The meaning of Oikos is habitat or home.

9. Give examples of scavengers and decomposers.

Ans: Examples of scavengers include beetles, maggots, and ants, which feed on dead animals and organic matter.

Examples of decomposers include earthworms, fungi, and bacteria, which break down dead and decaying matter into simpler substances and recycle nutrients back into the environment.

10. What are micro-consumers?

Ans: Organisms that derive nutrition from decaying or broken-down dead plants and other organic matter in the environment. They are also called decomposers or micro-consumers.

11. How many types of ecological pyramids are there?

Ans: There are three types of ecological pyramids. (i) Pyramid of Number (ii) Pyramid of Biomass (iii) Pyramid of Energy.

12. What are the types of ecosystems?

Ans: There are two types of ecosystems: Natural Ecosystem and Artificial (Man-made) Ecosystem.

13. What is population?

Ans: A group of individuals of the same species living in a specific area at a specific time is called a population.

14. What is a trophic level?

Ans: In any ecosystem, each organism belongs to a specific feeding stage. This is called a trophic level.

15. What do omnivorous animals eat?

Ans: Omnivores consume both animals and plants as food. Example: Humans, foxes, rats.