Subject :NSO Class : Class 5
Subject :NSO Class : Class 4
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Refer to the given terms.
| (i) | RBC | (ii) WBC |
| (iii) | Blood | (iv) Muscle |
| (v) | Blood vessels | (vi) Brain |
| (vii) | Heart | (viii) Lung |
| (ix) | Sperm | (x) Kidney |
Select the option which correctly classifies the given terms into cell, tissue and organ.
| Cell | Tissue | Organ | |
| A | (i), (ii), (ix) | (iii), (iv) | (v), (vi), (vii), (viii), (x) |
| B | (i), (ii), (iii), (x) | (iv), (v) | (vi), (vii), (viii), (ix) |
| C | (i), (ii), (iv), (ix) | (iii), (v), (vi) | (vii), (viii), (x) |
| D | (i), (ii), (ix) | (iii), (iv), (v) | (vi), (vii), (viii), (x) |
HOW A IS CORRECT???
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
Ans 2:
Class : Class 8
Yes , I also agree that friction always opposes motion and the following options are incorrect as *Statement 1* is incorrect and *Statement 2* is correct. There is surely some error.
Ans 4:
Class : Class 8
Statement 2 is correct while Statement 1 incorrect as frictions is defined as a force which opposes motion and it would not be frictional force if it is not opposing motion that why there has to be a option E.
Ans 6:
Class : Class 8
Friction not always opposes motion, it opposes the relative motion but they should've given examples of it. I have read it in a book but there is no examples there, too. :-?
Ans 8:
Ans 9:
Ans 10:
Class : Class 9
But friction always opposes motion...then how are they saying that option c is true?
Ans 11:
Class : Class 8
All the options must be incorrect as friction always opposes motion and friction acts in direction opposite of force applied but there is no option saying this
Ans 15:
Class : Class 7
Technically, all of the options are incorrect, as Statement 1 is false and Statement 2 is true.
Ans 17:
Class : Class 10
not in all cases friction opposes, this is proved from statement 1 as friction acts backward on the paper and it will act forward on the direction where the pencil is moved
Ans 18:
Class : Class 5
all the options are incorrect as statement 1 is false and statement 2 is true.so the answer should look like:(iv)none of these
Ans 19:
Class : Class 9
Friction always opposes motion but while drawing a line on a paper, the frictional force acts in the opposite direction in which the tip of the pen acts / the line is drawn. I think all options are incorrect as 'statement 1' is wrong but 'statement 2' is right
Ans 22:
Class : Class 5
In my opinion statement 2 is true and statement 1 is false as friction always opposes the motion of an object. Also the friction between the pencil and paper should be exerted in the opposite direction.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
Ans 2:
Class : Class 6
So, for an experiment you need multiple values for comparison. This question states that the experiment is to be carried out for four days, meaning that you need to compare four different scenarios. The first one is obviously hot and windy. The four scenarios- hot, windy, calm and cloudy must be paired with each other forming these- hot and windy, hot and calm, windy and cloudy, cloudy and calm- option B
Ans 3:
Class : Class 2
dude i asked you to explain .Not give the answers because you have done it before.[i am talking to you only, Shaurya uniyal]