मराठी

NCERT solutions for Biology [English] Class 12 chapter 16 - Environmental Issues [Latest edition]

Advertisements

Chapters

NCERT solutions for Biology [English] Class 12 chapter 16 - Environmental Issues - Shaalaa.com
Advertisements

Solutions for Chapter 16: Environmental Issues

Below listed, you can find solutions for Chapter 16 of CBSE, Karnataka Board PUC NCERT for Biology [English] Class 12.


Exercises
Exercises [Page 286]

NCERT solutions for Biology [English] Class 12 16 Environmental Issues Exercises [Page 286]

Exercises | Q 1 | Page 286

What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river.

Exercises | Q 2 | Page 286

List all the wastes that you generate, at home, school or during your Trips to other places, could you very easily reduce? Which would be Difficult or rather impossible to reduce?

Exercises | Q 3 | Page 286

Discuss the causes and effects of global warming. What measures need to be taken to control global warming?

Exercises | Q 4 | Page 286

Match the items given in column A and B:

  Column A   Column B
a Catalytic converter 1 Particulate matter
b Electrostatic precipitator 2 Carbon monoxide and nitrogen oxides
c Earmuffs 3 High noise level
d Landfills 4 Solid wastes
Exercises | Q 5.1 | Page 286

Write critical notes on Eutrophication

Exercises | Q 5.2 | Page 286

With the help of a flow-chart exhibit the events of eutrophication.

Exercises | Q 5.3 | Page 286

Write critical notes Groundwater depletion and ways for its replenishment

Exercises | Q 6 | Page 286

Discuss the role of women and communities in protection and conservation of forests.

Exercises | Q 8 | Page 286

What measures, as an individual, you would take to reduce environmental pollution?

Exercises | Q 9.1 | Page 286

Discuss briefly the following:

Radioactive wastes

Exercises | Q 9.2 | Page 286

Discuss briefly Defunct ships and e-wastes

Exercises | Q 9.3 | Page 286

Discuss briefly the following 

Municipal solid wastes

Exercises | Q 10 | Page 286

What initiatives were taken for reducing vehicular air pollution in Delhi? Has air quality improved in Delhi?

Exercises | Q 11.1 | Page 286

Discuss briefly about Greenhouse gases

Exercises | Q 11.2 | Page 286

Discuss briefly about Catalytic converter

Exercises | Q 11.3 | Page 286

Discuss briefly about Ultraviolet B

Solutions for 16: Environmental Issues

Exercises
NCERT solutions for Biology [English] Class 12 chapter 16 - Environmental Issues - Shaalaa.com

NCERT solutions for Biology [English] Class 12 chapter 16 - Environmental Issues

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Biology [English] Class 12 CBSE, Karnataka Board PUC 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. NCERT solutions for Mathematics Biology [English] Class 12 CBSE, Karnataka Board PUC 16 (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. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Biology [English] Class 12 chapter 16 Environmental Issues are Introduction of Water Pollution and Its Control, Agrochemicals and Their Effects, Solid Waste Management, Radioactive Waste Management and E-waste, Greenhouse Effect and Climate Change, Ozone Depletion in the Stratosphere, Prevention of Air Pollution, Deforestation and Its Causes, Environmental Issues, Noise Pollution, Controlling Vehicular Air Pollution: a Case Study of Delhi, Solid Wastes, Radioactive Wastes, Effects of Domestic Sewage and Industrial Effluents on Water, Degradation by Improper Resource Utilisation and Maintenance, A Case Study of Integrated Waste Water Treatment, Environmental Issues.

Using NCERT Biology [English] Class 12 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 NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Biology [English] Class 12 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 16, Environmental Issues Biology [English] Class 12 additional questions for Mathematics Biology [English] Class 12 CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×