Class 10 English Main Course Book Unit 3 Science Chapter 1 Promise for the Future : Renewable Energy CBSE

Class 10 English Main Course Book Unit 3 Science Chapter 1 Promise for the Future : Renewable Energy CBSE 

Textual Exercises

Question 1.
In A.2 you will read about alternate sources of energy. Before doing so find out how much you already know about renewable sources of energy. Complete column A, to indicate whether you think each statement is True (√), False (x), or whether you do not know (?) After reading the passage, complete column B in the same way.
Answer:

Question 2.
Now go back to A.I. and complete column (B). How much did you know already before you read the article ?
Answer:

Question 3.
Complete the following blanks with information from the passage :

(a) India receives 5000 trillion kWh/year which means ________ .
(b) The advantages of using solar energy instead of fossil fuels is that it is ________ .
(c) It is important to find means of keeping air and noise pollution in urban areas under control because ________ .
(d) Tax exemptions and subsidies are required to ________ .
(e) The media can help by ________ .

Answer:

Question 4.
Copy and complete the following table with the required information from the passage
Answer:

Question 5.
Based on your reading of the passage say whether the following statements are True or False :

(a) EV’s have the potential to flourish in India
(b) EVs degrade with time
(c) EVs can create health hazards
(d) EVs cannot drive fast because they have only two pedals
(e) Solar power will not last for a very long time in our country
(f) Establishing Solar Power generating units is too expensive

Answer:

Question 6.
You are going to listen to a presenter discussing three new inventions-The Solerickshaw, the Green Phone and the Solar Water Purifier. As you listen complete the notes given below :

Answer:

Question 7.
You have listened to a presentation on three new inventions. One of them is solar water purifier. The stages of water purifier can be set in a flow-chart. Copy and complete the following flow chart with the stages in their correct order.
Answer:

Question 8.
Now read that portion of the listening text describing the solar distillation system :
Answer:

Question 9.
Below is a flow chart describing the process of making rubber. Use it to help you copy and complete the process description that follows it. Remember to use the simple present tense, a mixture of actives and passives, and to add sequence markers where you see
Answer:

Question 10.
You have been gifted a new cell phone which is powered by solar energy. Write an email to your friend describing the phone and all its exciting features. You may use the notes that you have made in A.7.
Answer:

NCERT Solutions for Class 10 English Literature Reader

Fiction

• Chapter 1 Two Gentlemen of Verona
• Chapter 2 Mrs. Packletide’s Tiger
• Chapter 3 The Letter
• Chapter 4 A Shady Plot
• Chapter 5 Patol Babu, Film Star
• Chapter 6 Virtually True

Poetry

• Chapter 7 The Frog and the Nightingale
• Chapter 8 Mirror
• Chapter 9 Not Marble, nor the Gilded Monuments
• Chapter 10 Ozymandias
• Chapter 11 The Rime of the Ancient Mariner
• Chapter 12 Snake

Drama

• Chapter 13 The Dear Departed
• Chapter 14 Julius Caesar

NCERT Solutions for Class 10 English First Flight

NCERT Solutions for Class 10 English First Flight (Prose)

• Chapter 1 A Letter to God
• Chapter 2 Nelson Mandela: Long Walk to Freedom
• Chapter 3 Two Stories about Flying
• Chapter 4 From the Diary of Anne Frank
• Chapter 5 The Hundred Dresses – I
• Chapter 6 The Hundred Dresses – II
• Chapter 7 Glimpses of India
• Chapter 8 Mijbil the Otter
• Chapter 9 Madam Rides the Bus
• Chapter 10 The Sermon at Benares
• Chapter 11 The Proposal

NCERT Solutions for Class 10 English First Flight (Poem)

• Chapter 1 Dust of Snow
• Chapter 2 Fire and Ice
• Chapter 3 A Tiger in the Zoo
• Chapter 4 How to Tell Wild Animals
• Chapter 5 The Ball Poem
• Chapter 6 Amanda
• Chapter 7 Animals
• Chapter 8 The Trees
• Chapter 9 Fog
• Chapter 10 The Tale of Custard the Dragon
• Chapter 11 For Anne Gregory

NCERT Solutions for Class 10 English Footprints Without Feet

NCERT Solutions for Class 10 English Supplementary Reader Footprints without Feet

• Chapter 1 A Triumph of Surgery
• Chapter 2 The Thief’s Story
• Chapter 3 The Midnight Visitor
• Chapter 4 A Question of Trust
• Chapter 5 Footprints without Feet
• Chapter 6 The Making of a Scientist
• Chapter 7 The Necklace
• Chapter 8 The Hack Driver
• Chapter 9 Bholi
• Chapter 10 The Book that Saved the Earth

CBSE Class 10 English Main Course Book Solutions and Answers

CBSE Class 10 English Main Course Book MCB Solutions and Answers

Unit 1 Health and Medicine

• Health and Medicine Introduction0
• A. Do Indians Get Enough Sleep ?
• B. Laughter – The Best Medicine
• C. “Whopping Walter” Hudson
• D. The World of Sports
• E. Nature’s Medicines

Unit 2 Education

• Education Introduction
• A. My struggle for an Education
• B. Educating the Girl Child
• C. Inclusive Education
• D. Vocational Education

Unit 3 Science

• Science Introduction
• A. Promise for the Future : Renewable Energy
• B. Pluggin into Future
• C. Space Travel
• D. Letters from the planet Aurigae II

Unit 4 Environment

• Environment Introduction
• A. Treading the Green Path: Towards Preservation
• B. Heroes of the Environment
• C. Let’s Clean up
• D. A Tale of Three Villages
• E. Geological Heritage

Unit 5 Travel and Tourism

• Travel and Tourism Introduction
• A. Land of All Seasons
• B. Eco Tourism
• C. The Emerald Islands
• D. Promoting Tourism

Unit 6 National Integration

• National Integration Introduction
• A. Unity in Diversity
• B. Challenges to National Integration
• C. Spirit of Unity
• D. Mile Sur Mera Tumhara

CBSE Class 10 English Workbook Solutions and Answers

NCERT Solutions for Class 10 English Workbook

• Unit 1 Determiners
• Unit 2 Tenses
• Integrated Grammar Practice 1
• Unit 3 Subject – Verb Agreement
• Unit 4 Non Finites
• Integrated Grammar Practice 2
• Unit 5 Relatives
• Unit 6 Connectors
• Integrated Grammar Practice 3
• Unit 7 Conditionals
• Unit 8 Comparison
• Integrated Grammar Practice 4
• Unit 9 Avoiding Repetition
• Unit 10 Nominalisation
• Integrated Grammar Practice 5
• Unit 11 Modals-Expressing Attitudes
• Integrated Grammar Practice 6
• Unit 12 Active and Passive
• Integrated Grammar Practice 7
• Unit 13 Reported Speech
• Integrated Grammar Practice 8
• Unit 14 Prepositions
• Integrated Grammar Practice 9

CBSE Class 10 English Grammar

A. Resource Material

• Tenses
• Modals
• Active and Passive Voice
• Subject-Verb Concord
• Direct and Indirect Speech
• Clauses
• Determiners
• Prepositions

B. Integrated Grammar

• Gap Filling
• Editing
• Omission
• Sentence Reordering
• Sentence Transformation