Subject :NSO Class : Class 4
Subject :NSO Class : Class 4
Ans 1: (Master Answer)
Class : Class 1
B
Length of the day depends on the speed of rotation of a planet on its axis. The more is the speed the shorter is the length of the day.
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 6
Read the given passage and fill in the blanks by choosing an appropriate option.
Iron nails when new are grey and bright. When exposed to (i), they get covered with a (ii) coating. This process is called (iii) and it is a (iv) change.
| (i) | (ii) | (iii) | (iv) | |
| A | Moist air | Grey | Corrosion | Chemical, reversible |
| B | Air and water | Reddish brown | Rusting | Chemical, irreversible |
| C | Oxygen in air | Green | Rancidity | Physical, irreversible |
| D | Nitrogen in air | Reddish brown | Galvani-sation | Chemical, irreversible |
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Subject :NSO Class : Class 6
Study the classification diagram as shown and identify
W, X, Y and Z.
| W | X | Y | Z | |
| A | Dough | Coffee | Air | Fog |
| B | Clay pot | Mud | Cardboard | Water |
| C | Tracing paper | Water | Frosted glass | Mist |
| D | Wooden ruler | Dough | Tracing paper | Haze |
D is the answer.
Ans 1: (Master Answer)
Class : Class 1
D
Wooden ruler is opaque, and it has a definite shape. So, it can be W.
Dough is opaque, and it doesn’t have a definite shape. So, it can be X.
Tracing paper is translucent and has a definite shape. So, it can be Y.
Haze has no definite shape, and it is translucent. So, it can be Z. Hence, the correct option is D.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 3
Ans 2: (Master Answer)
Class : Class 1
A
Preeti is having difficulty in breathing, laughing and yawning, it seems she has injured an organ, which is related to inhalation and exhalation of air. That means her Lungs are injured, and that is why she is also feeling pain in her chest.