Advertisements
Online Mock Tests
Chapters
2: Human Reproduction
3: Reproductive Health
4: Principles of Inheritance and Variation
5: Molecular Genetics
6: Evolution
7: Human Health and Diseases
8: Microbes in Human Welfare
9: Applications of Biotechnology
10: Organisms and Populations
11: Biodiversity and its Conservation
▶ 12: Environmental Issues
![Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Environmental Issues - Shaalaa.com](/images/biology-zoology-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Environmental Issues")
Advertisements
Solutions for Chapter 12: Environmental Issues
Below listed, you can find solutions for Chapter 12 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Zoology) [English] Class 12 TN Board.
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board 12 Environmental Issues Evaluation [Pages 216 - 217]
Right to Clean Water is a fundamental right, under the Indian Constitution.
Article 12
Article 21
Article 31
Article 41
The ‘thickness’ of Stratospheric Ozone layer is measured in/on:
Sieverts units
Dobson units
Melson units
Beaufort Scale
As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is ____________.
USA
China
Qatar
Saudi Arabia
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as ____________.
Biomagnification
Bioremediation
Biomethanation
Bioreduction
Which among the following always decreases in a Food chain across tropic levels?
Number
Accumulated chemicals
Energy
Force
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
Copper
Silver
Palladium
Gold
SMOG is derived from:
Smoke
Fog
Both Smoke and Fog
Only Smoke
Excess of fluoride in drinking water causes:
Lung disease
Intestinal infection
Fluorosis
None of the above
Expand
CFC
Expand
AQI
Expand - PAN
What is SMOG and how it is harmful for us?
List all the wastes that you generate, at home, school or during your trips to other places. Could you very easily reduce the generation of these wastes? Which would be difficult or rather impossible to reduce?
Write notes on the following:
Eutrophication
Write notes on the following:
Algal Bloom
What effect can fertilizer runoff have on an aquatic ecosystem?
How can we control eutrophication?
Discuss the role of an individual to reduce environmental pollution.
How does recycling help reduce pollution?
Discuss briefly the following:
Catalytic converter
Discuss briefly the following:
Ecosan toilets
What are some solutions to toxic dumping in our oceans?
Solutions for 12: Environmental Issues
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Environmental Issues
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Biology (Zoology) [English] Class 12 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Biology (Zoology) [English] Class 12 TN Board Tamil Nadu Board of Secondary Education 12 (Environmental Issues) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Biology (Zoology) [English] Class 12 TN Board chapter 12 Environmental Issues are Pollution, Water Pollution and Its Causes, Agrochemicals and Their Effects, Noise Pollution, Eutrophication, Biomagnification, Organic Farming and Its Implementation, Solid Waste Management, Ecosan Toilets.
Using Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board solutions Environmental Issues exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Biology (Zoology) [English] Class 12 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 12, Environmental Issues Biology (Zoology) [English] Class 12 TN Board additional questions for Mathematics Biology (Zoology) [English] Class 12 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
