Worksheet

Syllabus Study Notes

Did you know Germany borders 9 other countries.

I can’t understand why people are frightened by new ideas. I’m frightened by old ones– John Cage

Class IX >> Science >> Natural Resources >> A1

Q1	The __________, which covers the whole of the Earth like a blanket, is called the atmosphere.
A	Air
B	Sunlight
C	Soil
D	Water

Q2	__________ is released into the atmosphere during the process of cellular respiration.
A	Oxygen
B	Nitrogen
C	Carbon Dioxide
D	Ozone

Q3	Carbon dioxide is the major component of the atmosphere of __________.
A	Earth
B	Mars
C	Venus
D	Both (B) and (C)

Q4	On which planet does life exist?
A	Venus
B	Mars
C	Earth
D	Jupiter

Q5	The outer crust of the Earth is called the __________.
A	Lithosphere
B	Mesosphere
C	Asthenosphere
D	Stratosphere

Q6	Eukaryotic cells and many prokaryotic cells need __________ to break down glucose molecules for energy.
A	Carbon dioxide
B	Oxygen
C	Nitrogen
D	Carbon Monoxide

Q7	Plants and animals together form the __________ component of the biosphere.
A	Biotic
B	Living
C	Non Living
D	Both (A) and (B)

Q8	Water covers __________ about percent of the Earth’s surface.
A	21%
B	29%
C	71%
D	78%

Q9	Biosphere is a life-supporting zone of the Earth where the __________ interact and make life possible.
A	Atmosphere and Hydrosphere
B	Hydrosphere and Lithosphere
C	Lithosphere and Hydrosphere
D	Atmosphere, Hydrosphere and Lithosphere

Q10	The air, the water and the soil form the __________ component of the biosphere.
A	Non-living
B	Living
C	Biotic
D	Both (B) and (C)

Available Time

Time Left

Bonus Time Left

GoforPractice is an online structured PRACTICE PLATFORM for school students of CBSE board India. We strive to make practice fun and engaging for students and help them achieve their goals efficiently. Our practice tests are handcrafted for a thorough understanding of concepts using contemporary and modern learning techniques. With elaborate explanations and chapter-wise revision listing, our ecosystem provides resources to elevate students from a basic to an advanced level of performance.

About Us
Basic Rules
Child Safety
Terms & Conditions

FAQs
Blogs
Sitemap
Contact Us