Home
NCERT Soltions
Class 12
Biology
Environmental Issues
What measures, as an individual, you would take to reduce environmenta...

What measures, as an individual, you wou | Class 12 Biology Chapter Environmental Issues, Environmental Issues NCERT Solutions

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Environmental Issues. This page offers a step-by-step solution to the specific question from Exercise 1, Question 8: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 8: What measures, as an individual, you would take to reduce environmental pollution?

Answer:

The following initiatives can be taken to prevent environmental pollution:

Measures for preventing Air pollution:

(i) Planting more trees

(ii) Use of clean and renewable energy sources such as CNG and bio-fuels

(iii) Reducing the use of fossil fuels

(iv) Use of catalytic converters in automobiles

Measures for preventing water pollution:-

(i) Optimizing the use of water

(ii) Using kitchen waste water in gardening and other household purposes

Measures for controlling Noise pollution:-

(i) Avoid burning crackers on Diwali

(i) Plantation of more trees

Measures for decreasing solid waste generation:-

(i) Segregation of waste

(ii) Recycling and reuse of plastic and paper

(iii) Composting of biodegradable kitchen waste

(iv) Reducing the use of plastics

Other Questions of Chapter Environmental Issues

What is the main idea behind “Joint Forest Management Concept” introduced by the Government of India?

Is it true that carpets and curtains/drapes placed on the floor or wall surfaces can reduce noise level. Explain briefly?

Q: 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?

It is a common practice to plant trees and shrubs near the boundary walls of buildings. What purpose do they serve?

What do you understand by biomagnificatron?

Q: Why ozone hole forms over Antarctica? How will enhanced ultraviolet Radiations affect us?

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

Q: Discuss briefly the following:
(a) Greenhouse gases
(b) Catalytic converter
(c) Ultraviolet B

Q: Write critical notes on the following:
(a) Eutrophication
(b) Biological magnification
(c) Groundwater depletion and ways for its replenishment

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

Popular questions of class 12 Biology

Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.

Q: Why is reproduction essential for organisms? Answer

Q: Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals.

Q: With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q: What is DNA fingerprinting? Mention its application.

Q: What is oogenesis? Give a brief account of oogenesis.

Q: Describe the structure of a seminiferous tubule.

Q: What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Q: With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

Q: Explain the Law of Dominance using a monohybrid cross.

Recently Viewed Questions of Class 12 Biology

Taking examples under each category, discuss upstream and downstream processing.

Name the first transgenic cow. Which gene was introduced in this cow?

Q: Diagrammatically represent the experimental steps in cloning and expressing an human gene (say the gene for growth hormone) into a bacterium like E. coli ?

Q: Explain what is meant by biofortification.

Q: List two essential roles of ribosome during translation.

Q: If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?

Q: Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)

Which type of food would have lactic acid bacteria. Discuss their useful application.

Give the full form of ELISA. Which disease can be detected using it? Discuss the principle underlying the test.

Q: Explain briefly
(a) PCR
(b) Restriction enzymes and DNA
(c) Chitinase

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Environmental Issues.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Latest Blog Posts

Stay updated with our latest educational content and study tips

The Secret to Smarter Learning — Building Strong Critical Thinking Skills

In today’s world of endless information , knowing how to think is more important than knowing what to think . From school projects to real – life decisions , critical thinking helps students question ideas , analyze facts and form logical conclusions . But what exactly does critical thinking mean ? Simply put , it’s […]

Study Smarter, Not Harder: Build Productive Habits That Stick

Every student dreams of better grades , stronger focus and more study time – but the real challenge isn’t starting, it’s staying consistent . Building productive study habits is not about studying all day , it’s about studying smart . In today’s fast – paced digital world, distractions are everywhere – from endless phone notifications […]

The Hidden Risks of Online Gaming for Children — Is your child safe while gaming online?

Online gaming has rapidly become one of the most popular pastimes among children. Whether it’s multiplayer mobile games , PC adventures or console challenges , kids are spending more time than ever in the virtual world . On the surface, gaming seems entertaining and even educational – improving hand- eye coordination , teamwork and problem […]

The Role of Parents in Digital Literacy – Guiding Kids for a Smarter Online Future

Kids today are surrounded by screens from the moment they wake up . Whether it’s smart classrooms, online lessons or video games with friends technology has quietly become a part of everything they do. It’s amazing how much they can learn, explore and create with just a tap or a click. But it also brings […]

View All Blog Posts

Comments

vaibhav
Sep 19, 2019

very helpful is this answer

Rahul
Sep 11, 2019

There are some questions which have good definition but some are not good Plz make it easy to learn