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प्रश्न
Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.
विकल्प
NaOH
KOH
Ca (OH)2
K2CO3
उत्तर
KOH
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संबंधित प्रश्न
In addition to carbon dioxide and water, state two other conditions necessary for the process of photosynthesis to take place.
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Name the green pigment present in the leaves of a plant.
How does water from the soil reach the leaves of a plant to be used in photosynthesis?
Which of the following events does not occur in photosynthesis?
(a) conversion of light energy into chemical energy
(b) reduction of carbon dioxide to carbohydrates
(c) oxidation of carbon to carbon dioxide
(d) absorption of light energy by chlorophyll
Most of the plants absorb nitrogen in one of the following forms. This is:
(a) proteins
(b) nitrates and nitrites
(c) urea
(d) atmospheric nitrogen
Explain why, plants have low energy needs as compared to animals.
Which of the following equations is the summary of photosynthesis?
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
Which of the following steps can be followed for making the apparatus air tight?
- placing the plants on glass plate
- using a suction pump.
- applying aseline to seal the bottom of jar.
- creating vacuum
In the given diagram of a closed stomata: (1), (2), (3) and (4) respectively are:
