SRI GVG VISHALAKSHI MATRIC HR SRC SCHOOL CLASS VII STD. SCIENCE BRIDGE COURSE WORK SHEET 1.NATURAL RESOURCES - AIR I CHOOSE THE BEST ANSWER 1. Which is the most abundant gas in air? A Oxygen B Carbon dioxide C.water vapour D.nitrogen 2. Which gas cannot be absorbed by plants directly from air? A. Chloride B.Oxygen C. Nitrogen D.Carbon dioxide 3. Which of the following statement 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. Alr is present everywhere but not in soll. 4. Carbon dioxide helps in greenhouse effect, the process which keeps the Earth's atmosphere moderately – A.warm B. Cold. C.hot. D. All the above 5.Mountaineers carry oxygen cylinder with them because A. There is a deficiency of oxygen on mountains at high altitude. B. There is no oxygen on high mountains. BC.None 6. The components of air which are harmful to living beings are A. Nitrogen and carbon dioxide B Dust and water vapour C. Smoke and water vapour D. Dust and smoke 7. Arrange the letters in proper forms A. DILLMWIN.WINDMI B.YNOGXN. C.MESKO SMOKE D.TUDS DUST
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Answer:
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
Explanation:
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
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Here is the answer, hope it helps!
1. Which is the most abundant gas in air?
D.nitrogen
2. Which gas cannot be absorbed by plants directly from air?
C. Nitrogen
3. Which of the following statement is incorrect?
D. Air is present everywhere but not in soil.
4. Carbon dioxide helps in greenhouse effect, the process which keeps the Earth's atmosphere moderately – A.warm
5.Mountaineers carry oxygen cylinder with them because
A. There is a deficiency of oxygen on mountains at high altitude.
6. The components of air which are harmful to living beings are
D. Dust and smoke
7. Arrange the letters in proper forms
A. DILLMWIN
WINDMILL
B. YNOGXN.
OXYGEN
C.MESKO
SMOKE
D.TUDS
DUST
1. Which is the most abundant gas in air?
D.nitrogen
2. Which gas cannot be absorbed by plants directly from air?
C. Nitrogen
3. Which of the following statement is incorrect?
D. Air is present everywhere but not in soil.
4. Carbon dioxide helps in greenhouse effect, the process which keeps the Earth's atmosphere moderately – A.warm
5.Mountaineers carry oxygen cylinder with them because
A. There is a deficiency of oxygen on mountains at high altitude.
6. The components of air which are harmful to living beings are
D. Dust and smoke
7. Arrange the letters in proper forms
A. DILLMWIN
WINDMILL
B. YNOGXN.
OXYGEN
C.MESKO
SMOKE
D.TUDS
DUST
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