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ritvik bihari from Vibgyor High School, pune

Subject :NSO Class : Class 7

D is brother of B. M is brother of B. K is father of M. T is wife of K. How is B related to T?

A Son
B Daughter
C Son or Daughter
D Data inadequate

Ans 1:

PALAK SINGH from ST. PAUL'S SR. SEC. SCHOOL, PALI

Class : Class 7

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Sarthak Mittal from G.P. International School, Bharatpur

Subject :NSO Class : Class 9

Read the passage carefully and answer the following questions.
A dancer is demonstrating dance steps along a straight line. The position-time graph of the dancer is given here.

The average speed for the dance step depicted by CD is

A 1 m s^-1
B 1.33 m s^-1
C 2.75 m s^-1
D 0.89 m s^-1

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Ans 1:

Aarav Rawat from Harvest International, Bangalore

Class : Class 3

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Prasanna Hegde from Vibgyor High Horomavu, BENGALURU

Subject :NSO Class : Class 3

Select the process in which a matter in a state with no fixed shape but with fixed volume changes to a state with both fixed shape and volume.

ACondensation
BEvaporation
CMelting
DFreezing

D is the answer

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Ayush Aryan from Modern public school , North West Delhi

Subject :NSO Class : Class 8

A few healthy gram seeds are placed in each of the three pots X, Y and Z containing same type of soil. The soil in pot X is mixed with some green leaves. The soil in pot Y is mixed with old cow dung while soil of pot Z is mixed with urea. Pots are watered regularly and given proper environment for plant-growth. Which of the following will be observed after 10 days?

A Lot of growth in Z with replenishment of all the nutrients.
B Lot of growth in X without replenishment of any nutrient.
C Lot of growth in Y with replenishment of the nutrients.
D Both (A) and (C)

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Ans 1:

Vihaan Nair from Ambassador School, DUBAI

Class : Class 8

Should it be d??

Ans 2:

Ahdiya Sharik from St Thomas public school, Trivandrum

Class : Class 8

Ans 3:

Nimish shah from Chrysalis high , Banglore

Class : Class 8

Ans 4:

Sumedha Mishra from xyz, School, Pune

Class : Class 8

Ans 5:

Soham from Vibgyor high, Pune

Class : Class 8

It should be D as both manure and fertiliser have nutrients

Ans 6:

sankalp from Gyan Bharti School, Saket, Delhi

Class : Class 10

As per the activity mentioned in NCERT and my own research, the most appropriate answer should be A, because fertilizers boost plant growth and are nutrient specific, meaning they replenish the nutrients.

Ans 7:

Nimish shah from Chrysalis high , Banglore

Class : Class 8

Ans 8:

sankalp from Gyan Bharti School, Saket, Delhi

Class : Class 10

Fertilizer can be both acidic or basic. Some fertilizers have Urea, Ammonium Nitrate as constituents due to which they are acidic. However salts of Potassium such as Potassium Nitrate and Phosphate are also used that are strong bases.

Ans 9:

sankalp from Gyan Bharti School, Saket, Delhi

Class : Class 10

Ans 10:

Rushil from Delhi Public School, Nashik

Class : Class 10

The answer should be (A) because Urea is an acid and contains high amounts of Hydrogen and Nitrogen. It is also considered as a fertilizer because fertilizer is an acid just like urea and also fertilizer contains high amounts of hydrogen and nitrogen. Fertilizer also allows the maximum plant-growth. So, it should be (A).

Ans 11:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 9

should be option d

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noah farias from beacon high, Mumbai

Subject :NSO Class : Class 2

Sheena's grandmother is making cloth from wool yarn as shown in the picture. What is this method called?

A Weaving
B Spinning
C Knitting
D None of these