Subject :NSO Class : Class 3
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
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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
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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
Four different organisms, P, Q, R and S, belonging to the same food chain are used
in an experiment. In the first enclosure, only organisms P, Q and R were put together
while in the second enclosure, only organisms P, R and S were put together.
Based on both the graphs, which of the following is correct?
| Food producer | Prey | Predator | prey and predator | |
| A | P | Q | R | S | B | P | S | R | Q | C | Q | R | P | S | D | Q | R | S | P |
The correct option is B.
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Subject :NSO Class : Class 5
