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प्रश्न
All animals and fungi are autotrophs.
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उत्तर
False
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संबंधित प्रश्न
Show with the help of a sketch that the plants are the ultimate source of food.
Which part of the plant takes in carbon dioxide from the air for photosynthesis?
In addition to carbon dioxide and water, state two other conditions necessary for the process of photosynthesis to take place.
Name a gas used in photosynthesis.
Which substance is used to remove chlorophyll from a green leaf during photosynthesis experiments?
Why do we boil the leaf in alcohol when we are testing it for starch?
Name the pigment which can absorb solar energy.
Name the organelle of plant cells in which photosynthesis occurs.
Fill in the following blank with suitable word :
All green plants are ....................
what are the by-products of photosynthesis ?
State the various steps involved in the process of photosynthesis.
How do plants obtain food?
The internal energy (cellular energy) reserve in autotrophs is:
(a) proteins
(b) fatty acids
(c) glycogen
(d) starch
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
The opening and closing of the stomatal pores depends upon:
(a) oxygen
(b) water in guard cells
(c) temperature
(d) concentration of CO2 in stomata
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
What is meant by parasitic plants?
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
