Ecosystem - Class 12 CBSE Important Questions 2023 | Class 12 Biology Chapter 14
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✔️ Class: 12th
✔️ Subject: Biology
✔️ Chapter: Ecosystem (Chapter 14)
✔️ Topic Name: Ecosystem - Class 12 CBSE Important Questions 2023 | Class 12 Biology Chapter 14
✔️ Topics Covered In This Video : This video provides valuable information for students who are preparing for the CBSE Class 12 Biology exam in the year 2023. It is presented by Shubham Sir and provides a thorough overview of the important questions from chapter 14: Ecosystem. This comprehensive guide will help students develop a deeper understanding of concepts covered in this chapter, enabling them to ace their exams.
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00:00 Introduction: Ecosystem
01:48 Ecosystem
09:45 Stratification
13:10 Decomposition
23:46 Functional Components of Ecosystem
28:23 Annual App
30:37 Humus
37:31 Energy Flow
46:32 Grazing Food Chain (GFC)
47:43 Limitations of pyramids
52:52 Ecological Succession
57:30 Succession of Plants
58:14 Primary succession in a newly formed pond
01:00:20 Ecosystem Services
01:01:39 Nutrient Cycling
01:02:53 Carbon Cycle
01:06:12 Question 1 to 10: Multiple Choice Questions (MCQs): Ecosystem
Que. 1 Decomposers like fungi and bacteria are:
01:26:24 Question 11 to 20: Multiple Choice Questions (MCQs): Ecosystem
01:40:55 Question 1 to 10: Very Short Answer Type Questions: Ecosystem
Que. 1 Name an organism found as secondary carnivore in an aquatic ecosystem.
01:56:24 Question 11 to 19: Very Short Answer Type Questions: Ecosystem
02:12:35 Question 1 to 10: Short Answer Type Questions: Ecosystem
Que. 1 Organisms at a higher trophic level have less energy available. Comment.
02:46:30 Question 11 to 16: Short Answer Type Questions: Ecosystem
02:58:41 Question 1 to 10: Long Answer Type Questions: Ecosystem
Que. 1 A farmer harvests his crop and expresses his harvest in three different ways.
03:31:09 Question 11 & 12: Long Answer Type Questions: Ecosystem
03:37:06 Question 1 to 4: Case Based Questions: Ecosystem
Que. 1 Read the following and answer any four questions from (i) to (v) given below:
04:03:56 Website Overview
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