All Exams  >   Grade 2  >   Science & Technology for Grade 2  >   All Questions

All questions of Air around Us for Grade 2 Exam

Polluted air is _______ for us
  • a)
    harmful
  • b)
    feel
  • c)
    shape
  • d)
    good
Correct answer is option 'A'. Can you explain this answer?

Sarika dubey answered
Understanding the Answer: Polluted Air
Polluted air is a significant environmental issue that affects health and well-being. In the context of the options provided, let's delve into why "harmful" is the correct choice.
Why "Harmful"?
- Health Risks: Polluted air contains harmful substances like particulate matter, carbon monoxide, and sulfur dioxide. Breathing in these pollutants can lead to respiratory diseases, heart problems, and other serious health conditions.
- Environmental Impact: Air pollution not only affects human health but also harms wildlife and ecosystems. It can lead to acid rain, which damages forests and water bodies.
- Economic Consequences: Poor air quality can result in increased healthcare costs and loss of productivity due to illness. This impacts the economy negatively.
Why Not Other Options?
- "Feel": This option does not fit contextually. While air quality can influence how we feel, it is not a direct descriptor of polluted air.
- "Shaped": This option is irrelevant. The term does not relate to the effects or characteristics of polluted air.
- "Good": This is the opposite of what polluted air represents. Polluted air cannot be considered beneficial as it poses significant threats to health and the environment.
Conclusion
In conclusion, the correct answer is "harmful" because polluted air has severe implications for health, the environment, and the economy. It is crucial to recognize the dangers of air pollution to promote awareness and encourage actions toward cleaner air.

Which activity cannot be done with air?
  • a)
    Feel
  • b)
    See
  • c)
    Touch
  • d)
    Both b & c
Correct answer is option 'D'. Can you explain this answer?

Arun Desai answered
  • We can't see the air but we can Feel it. 
  • But when air passes or blows it strikes us so we can feel the air when it blows.

We _____ air when it moves.
  • a)
    see
  • b)
    feel
  • c)
    touch
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?

Arun Desai answered
Since air is invisible we easily forget that it is all around us. When we sit in front of a fan, we can actually feel the air molecules moving in the same direction.

We cannot _______ air
  • a)
    breathe
  • b)
    see
  • c)
    feel
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?

Arun Desai answered
We cannot see air because air looks invisible and it sends very little color to our eyes. 

Chapter doubts & questions for Air around Us - Science & Technology for Grade 2 2025 is part of Grade 2 exam preparation. The chapters have been prepared according to the Grade 2 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Grade 2 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

Chapter doubts & questions of Air around Us - Science & Technology for Grade 2 in English & Hindi are available as part of Grade 2 exam. Download more important topics, notes, lectures and mock test series for Grade 2 Exam by signing up for free.

Top Courses Grade 2