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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A as Frog,Lizard,Duck,Crow and parrot lay eggs:- -Lizard is a reptile;it lays eggs -Duck,Crow and Parrot lay eggs;They are birds -Frog lays eggs;it is an amphibian

Ans 2:

Class : Class 4
Option a is correct

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Subject :NSO    Class : Class 10

Fill in the blanks with most appropriate option.
Bio-gas is an excellent fuel as it contains up to 75% __(i)__ . It burns without smoke, leaves no residue like ash in wood. Its heating capacity is __(ii)__ . The slurry left behind is removed periodically and used as excellent manure, rich in __(iii)__and __(iv)__.

(i) (ii) (iii) (iv)
A Methane High Nitrogen Phosphorous
B Nitrogen Low Methane Phosphorous
C Methane Low Nitrogen Oxygen
D Oxygen High Nitrogen Phosphorous


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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
a

Ans 2:

Class : Class 4
C

Ans 3:

Class : Class 3
C

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
The answer is D because in container X after three hours due to the respiration of the there will be less O2 and more Co2.Nice question

Ans 2:

Class : Class 4
Ishit rai is correct

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