Class 6 Science MCQs - Chapter 1
Air and Atmosphere Multiple Choice Questions (MCQ) PDF Download - 6
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The Air and atmosphere Multiple Choice Questions (MCQ Quiz) with Answers PDF (Air and Atmosphere MCQ PDF e-Book) download Ch. 1-6 to learn Grade 6 Science Course. Study Air and Processes Multiple Choice Questions and Answers (MCQs) PDF, Air and Atmosphere Quiz Questions and Answers to learn online homeschool courses. The Air and Atmosphere MCQ App Download: Free educational app for air and processes, gas properties and air, atmosphere: basic facts test prep for distance learning.
The MCQs: Respiration takes place at/in; "Air and Atmosphere" App (Android, iOS) with answers: Night; All of these; Day time; Evening; to learn online homeschool courses. Practice Air and Processes MCQ Questions, download Apple e-Book (Free Sample) for online certificate courses.
Air and Atmosphere MCQs with Answers PDF Download: Quiz 6
Respiration takes place at/in
- all of these
- night
- day time
- evening
Exhaled air contains 16% oxygen and about 4% of carbon dioxide, the rest of 80% is
- neon
- argon
- nitrogen
- none of them
The condensation point of nitrogen gas is
- −156 °C
- −166 °C
- −196 °C
- −186 °C
Oxidation is accompanied by
- volume
- heat & light
- light
- heat
Other than nitrogen and oxygen, the composition of the rest of the gases is about
- 4%
- 3%
- 2%
- 1%
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Air and Atmosphere MCQ Book Questions
- A person from parachute falls slowly to ground due to
- Friction acts in opposite direction and it can affect an object to
- Chloroplast splits water molecules to release oxygen and add hydrogen to carbon atoms for formation of
- An example of abiotic in nature is
- Microorganisms also help in production of food like