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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
विकल्प
take in oxygen and give out carbon dioxide
take in carbon dioxide and give out oxygen
take in nitrogen and give out oxygen
none of the above
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उत्तर
take in carbon dioxide and give out oxygen
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संबंधित प्रश्न
What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.
Fill in the blank
Air is a ______ of gases
Tick (√) the correct alternative from the choice given for the following statement.
Air consists of
Water does not have a ______ but has definite ______ and ______.
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
The composition of air is always exactly the same.
The layer of air around the earth is known as ______.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
In the boxes of Column, I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II
| Column I | Column II | ||
| (a) | \[\boxed{\text{D}}\]\[\boxed{\text{I}}\]\[\boxed{\text{L}}\]\[\boxed{\text{L}}\]\[\boxed{\text{M}}\]\[\boxed{\text{W}}\]\[\boxed{\text{I}}\]\[\boxed{\text{N}}\] | (a) | `squaresquaresquaresquaresquaresquaresquare square` |
| (b) | \[\boxed{\text{Y}}\]\[\boxed{\text{N}}\]\[\boxed{\text{O}}\]\[\boxed{\text{G}}\]\[\boxed{\text{X}}\]\[\boxed{\text{E}}\] | (b) | `squaresquaresquaresquaresquare square` |
| (c) | \[\boxed{\text{M}}\]\[\boxed{\text{E}}\]\[\boxed{\text{S}}\]\[\boxed{\text{K}}\]\[\boxed{\text{O}}\] | (c) | `squaresquaresquaresquaresquare` |
| (d) | \[\boxed{\text{T}}\]\[\boxed{\text{U}}\]\[\boxed{\text{D}}\]\[\boxed{\text{S}}\] | (d) | `squaresquaresquare` |
