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प्रश्न
Define
Photosynthesis
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उत्तर
Photosynthesis: The process by which plant leaf prepares or synthesizes food from water and carbon dioxide in the presence of chlorophyll and sunlight is called photosynthesis.
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संबंधित प्रश्न
Differentiate between the following:
Tap root and Fibrous root
Define
Tranpiration
Fill in the blank
The ends of primary or secondary roots have fine hair-like structures, called ________.
State if the following statement IS true or false. Correct the statement if it is false.
Growth in a terminal bud leads to an increase in the length of the stem
Tick the most appropriate answer
The point on the stem where leaves arise is
Tick the most appropriate answer.
The gynoecium consists of
State the functions of the following.
Stilt roots
______ is the main vein of the lamina of the leaf.
Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.
Observe the picture of an activity given as figure carried out with leaves of plants and polythene bag.
Now answer the following:
- Which process is demonstrated in the activity?
- When will this activity show better results on a bright sunny day or a cloudy day?
- What will you observe in the polythene bag after a few hours of setting up the activity?
- Mention any one precaution you must take while performing this activity.
