NCERT solution Class 12 ecosystem

NCERT Solutions

Class 12 Biology

Ecosystem

NCERT Questions

Q.1
Q.2
Q.3
Q.4
Q.5
Q.6
Q.7
Q.8
Q.9
Q.10
Q.11
Q.12
Q.13

Q.6

Describe between

Grazing food chain and detritus food chain
Production and decomposition
Upright and inverted pyramid
Food chain and Food web
Litter and detritus
Primary and secondary productivity

GRAZING FOOD CHAIN	DETRITUS FOOD CHAIN
In this food chain, energy is derived from the sun.	Energy comes from organic matter generated in trophic levels of the grazing food chain.
It begins with producers present at the first trophic level.	It begins with detritus such as dead bodies of animals or fallen leaves which are decomposed by decomposers.
This food chain is large as compared to detritus food chain.	It is usually smaller as compared to grazing food chain.

PRODUCTION	DECOMPOSITION
Rate at which organic matter is produced by producers.	It is the process of breaking down of complex organic matter or biomass from the body of dead plants and animals with the help of decomposers into organic raw materials.
Sunlight is required by plants for primary production.	Sunlight is not required for decomposition by decomposers.
It depends on the photosynthetic capacity of the producers.	It occurs with the help of decomposers.

UPRIGHT PYRAMID	INVERTED PYRAMID
The pyramid of energy is always upright.	The pyramid of biomass and numbers can be inverted.
The number and biomass of organisms in the producer level of an ecosystem is the highest which keeps on decreasing at each trophic level in a food chain.	The number and biomass of organisms in the producer level of an ecosystem is the lowest which keeps on increasing at each trophic level. Light is not required for decomposition by decomposers.

FOOD CHAIN	FOOD WEB
It is a single pathway of energy transfer from upper to lower.	It is made up of several interconnected pathways.
Single organism occupies single trophic level.	Single individual occupies several trophic levels.
This is less adaptive and decreases the stability of the ecological system.	It is more adaptive and increase stability of the ecological system.

LITTER	DETRITUS
It contains all kinds of waste material above the earth surface.	It contains dead animals and plants below and above the surface of earth.
It contains both biodegradable as well as non-biodegradable wastes.	It contains only biodegradable waste.

PRIMARY PRODUCTIVITY	SECONDARY PRODUCTIVITY
Rate of amount of production of organic matter by producers over a period of time.	Rate of amount of production of organic matter by consumers over a period of time.
This is due to photosynthesis.	This is due to herbivory and predation.

Ecosystem Class 12 Biology NCERT Chapter 12 NCERT Solutions

Solving NCERT textbook questions of Ecosystem Class 12 Biology NCERT Chapter 12 is a crucial step to gauge your understanding of the concepts. It provides you with an opportunity to assess your grasp of the material after learning each chapter. We have already provided solutions to all the exercises in the NCERT textbook of Class 12 Biology Ecosystem, available in various formats such as video, text, and downloadable PDFs. If you need assistance with any of the NCERT questions or any other academic topics, feel free to ask in the “Ask Questions” section of LearnoHub.com.

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Using the NCERT solutions module effectively can significantly enhance your learning experience and understanding of the subject matter. Here's a step-by-step guide on how to make the most out of the NCERT solutions:

Attempt to Solve Yourself: Before looking at the solution, try to solve or answer the question independently. This practice will help you test your knowledge and problem-solving skills.
Match with Our Solution: After attempting the question, compare your result and approach with the provided NCERT solution. This step allows you to identify any mistakes or gaps in your understanding.
Refer to Solution Video (if needed): If you encounter difficulty or are unable to solve a question, you can refer to the NCERT solution video on Ecosystem Class 12 Biology NCERT Chapter 12 to get a step-by-step explanation of the correct approach. Pay attention to the reasoning and methodology used in the video.
Solve Again Yourself: Once you've understood the solution, attempt to solve the question again by yourself. Repetition and practice solidify your understanding of the concepts and improve retention.
Avoid Memorization: Focus on understanding the underlying principles and concepts behind each solution. Avoid simply memorizing the solutions, as this may hinder your ability to apply the knowledge in different contexts.
Attempt All Questions: Make an effort to attempt all the questions provided in the NCERT textbook. This comprehensive practice will help you cover the entire syllabus and reinforce your understanding across various topics. You may refer Class 12 Biology Ecosystem Online Test on LearnoHub.com.
Review and Revise: Regularly review the concepts and solutions you've learned. Revise your notes and practice regularly to retain the knowledge effectively. You may refer Ecosystem Class 12 Biology Notes.
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By following these steps and actively engaging with the NCERT solutions module of Class 12 Biology Ecosystem NCERT Chapter 12, you can improve your learning outcomes, develop a better grasp of the subject, and perform well in exams and other academic assessments. Remember that consistent practice, understanding, and application of knowledge are key to academic success.

NCERT solutions of Ecosystem Class 12 Biology - all questions of all exercises are solved. Q. No. 1, 2, 3, and so on. Complete explanation and detailed solution makes them the best videos for Class 12 Biology Ecosystem NCERT solutions.