by Tiwari Academy
NCERT Solutions for Class 6 Science Chapter 11 Air Around Us in Hindi and English Medium for the new academic session 2024-25. Get the revised question answers of chapter 11 class 6th science based on new syllabus and updated textbooks for CBSE 2024-25 exams.
| Class: 6 | Science |
| Chapter 11: | Air Around Us |
| Content: | Exercise and Extra Questions |
| Content Mode: | Text, Videos and Images |
| Academic Session: | CBSE 2024-25 |
| Medium: | Hindi and English Medium |
NCERT Solutions for Class 6 Science Chapter 11
Class VI Science chapter 11 solutions are based on new NCERT Books. Video Format of the solutions includes the key words of the chapter and answers of the exercises given at the end of the chapter. Solutions are prepared following CBSE Curriculum and latest CBSE Books for 2024-25. Download Offline Apps and NCERT Solutions for current session. Join the Forum for Discussion and ask your doubt.
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Important Questions on 6th Science Chapter 11 for Practice
Important Questions on Class 6 Science Chapter 11
Which gas in the atmosphere is essential for respiration?
Oxygen gas in the atmosphere is essential for respiration.
How will you prove that air supports burning?
Place a burning candle upright in a tray having water. Cover it with a glass jar. Water will make it air-tight. During burning, oxygen is consumed and carbon-dioxide is released. After sometime no oxygen is left inside the jar and flame goes out. It shows air support burning.
The component of air used by green plants to make their food, is _______.
The component of air used by green plants to make their food, is carbon dioxide.
List five activities that are possible due to the presence of air.
Living beings use air for respiration. Plants use air (carbon dioxide) to prepare their food. Blowing air (wind) is used for power generation by wind mills. Air helps in burning of fuels and substances. Air helps in the scattering of seeds and pollens of plants. Air helps in the movements of sailing yachts, gliders, parachutes and aeroplanes.
1. Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
(i) Bubbles of air came out from the bottle.
(ii) Some water entered the bottle.
(iii) Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
(iv) No bubbles formed, only water entered the bottle.
Which observations is/are correct?
(a) (i) and (ii) (b) (iv) only (c) (iii) and (iv) (d) (i) only
2. Which of the following statements is incorrect?
(a) All living things require air to breathe.
(b) We can feel air but we cannot see it.
(c) Moving air makes it possible to fly a kite.
(d) Air is present everywhere but not in soil.
3. Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain
(a) water vapour (b) only oxygen gas (c) air (d) none of these
4. Wind does not help in the movement of which of the following?
(a) Firki
(b) Weather cock
(c) Ceiling fan
(d) Sailing yacht
5. Which of the following components of air is present in the largest amount in the atmosphere?
(a) Nitrogen (b) Oxygen
(c) Water vapour (d) Carbon dioxide
6. What is not true about air?
(a) It makes the windmill rotate.
(b) It helps in the movements of aeroplanes.
(c) Birds can fly due to presence of air.
(d) It has no role in water cycle.
7. Mountaineers carry oxygen cylinders with them because
(a) there is no oxygen on high mountains.
(b) there is deficiency of oxygen on mountains at high altitude.
(c) oxygen is used for cooking.
(d) oxygen keeps them warm at low temperature.
8. The components of air which are harmful to living beings are
(a) nitrogen and carbon dioxide.
(b) dust and water vapour.
(c) dust and smoke.
(d) smoke and water vapour.
Answers of MCQ Questions
1 (a),
2 (d),
3 (c),
4 (c),
5 (a),
6 (d),
7 (b),
8 (c).
All answers are done properly based on new CBSE Syllabus and following the latest NCERT Books. Visit to discussion forum to ask your doubts and share your knowledge with others.
