Subject :NSO Class : Class 7
Subject :NSO Class : Class 10
Ans 1: (Master Answer)
Class : Class 1
Here, the correct answer is A.
In (A), the incident rays are diverged after refraction, so the lens is concave and in (B), the incident rays are converged after refraction, so the lens is convex.
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Subject :NSO Class : Class 6
Ans 5: (Master Answer)
Class : Class 1
Here, the answer is C.
Displacement is the shortest distance covered by a body.
In a circular path, the distance between the initial point (Here=P) and the final point (Here=Q) will give you the displacement.
Here, Shortest distance between P and Q is PO + OQ = a + a = 2a
Hence, the displacement of the cyclist would be 2a.
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Subject :NSO Class : Class 6
Ans 10:
Class : Class 6
Answer is C because Y is minerals.Minerals are inorganic.Excess consumption of minerals does not cause obesity.So they have told to mark incorrect answer.Therefore C is correct
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Subject :NSO Class : Class 6
Ans 1: (Master Answer)
Class : Class 1
Here, the answer is B.
Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.
Ans 2: (Master Answer)
Class : Class 1
Here, the answer is B.
Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.
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Subject :NSO Class : Class 7
Read the given passage carefully and answer the question
The phenomenon in which a bird or other animal moves from one place to another in one season, and returns again in a different season is called migration. It is an adaptation to escape the harsh conditions of their normal habitat so as to survive.
The __(i)__ flies from its native place in Russia to places like __(ii)__ in Rajasthan and __(iii)__ in Haryana during a particular season.
It stays in India for a few months and then goes back in __(iv)__ season. The general name given to birds like these is __(v)__ birds. Select the correct sequence of words to fill up the blanks in the above passage.
Which of the following is the probable method these migratory birds use to travel to the same place year after year?
| (i) | (ii) | (iii) | (iv) | (v) | |
| A | Toucan | Sultanpur | Bharatpur | Autumn | Adaptatory |
| B | Siberian crane |
Bharatpur | Sultanpur | Winter | Migratory |
| C | Arctic tern |
Bharatpur | Sultanpur | Spring | Migratory |
| D | Siberian crane |
Sultanpur | Bharatpur | Summer | Adaptatory |
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Subject :NSO Class : Class 5
Ans 22:
Class : Class 9
It is B as the question is "Select the INCORRECT option"Diabetes is not cased by water pollution so the answer is B
Ans 28:
Class : Class 5
The answer is D
A-It is false
B- Typhoid and cholera are caused by polluted water, but diabetes isnt.
C- It is true that organic and inorganic pollutants cause dissolved oxygen level to decrease
D- Agricultural runoffs can contaminate both groundwater and surface water
Ans 31:
Class : Class 9
How is it B, we are just learning in school abt germs and diseases and it doesn’t say anything abt diabetes caused by polluted, this is answer is wrong
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Subject :NSO Class : Class 3
Ans 2:
Class : Class 4
many questions are wrong sof some children will think that is only correct and get less marks due to your fault .
Ans 4: (Master Answer)
Class : Class 1
Here, the answer is B.
Air, water and food are necessary for the survival of any living organism. So, in the absence of any one of these components an organism cannot survive. Hence, the grasshopper died due to the lack of air and food, although water was provided.
Ans 5:
Class : Class 8
question is about sealed glass box,so there is no supply of oxygen,hence answer is 'a' only.
Ans 6:
Class : Class 4
If it is food then grasshopper will die after 2,3 days but it is writen after some times so it is a
Ans 9:
Class : Class 9
SAIKARAN and kailash patra, you are right . SOF , check your book (if you have any left) .
Ans 15:
Class : Class 4
there are 3 things needed in life air water and food without air we die in minutes without water we die in hours without food we die in days in the picture it is given as water is given to grasshopper and in question it is given as the grasshopper is in sealed and died after some time only so no food and air is given but as i told after some time grasshopper will die due to lack of air only ans sof you can check your mtg workbook also .
Ans 18:
Class : Class 8
Air , water and food are essential for living things to survive on Earth. Therefore, in the absence of anyone of these an organism will die. Hence, the the grasshopper will die in the absence of air and food although water was provided in the sealed glass tank. Hence, option(b) is the correct answer.🦗
Ans 19:
Class : Class 4
Without air(oxygen) the grasshopper will die even food or water is given,so answer is A.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 5