Subject :NSO Class : Class 4
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
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
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Subject :NSO Class : Class 4
Ans 7:
Class : Class 7
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 8:
Class : Class 2
The answer will be D as due to the breathing process of fish the dissolved oxygen in the water will be less and the carbon dioxide will be more as all living beings on earth take in oxygen and give out carbon dioxide while respiration.