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प्रश्न
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
उत्तर
Advantage of photosynthesis :
- To produce food for all the organisms on earth .
- Release oxygen which is a life supporting gas .
APPEARS IN
संबंधित प्रश्न
Expand the following biological abbreviations: ATP
Expand the following biological abbreviations :
ATP
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
Label the parts 1 and 2.
State the main functions of the following:
Medulla Oblongata
Fill in the blank:
CO2 enters the leaf through ______.
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
The specific function of light energy in the process of photosynthesis is to
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Why was the plant kept in the dark before the experiment?
Photosynthesis is considered as a process supporting all life on earth.
Give technical term:
The main reaction which means the breaking up of water molecules through light.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.
Write the functional activity of the following structure:
Stroma
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
To which directional stimuli do
- roots respond
- shoots respond?
______ is ATP factory of the cells.
The end product of photosynthesis is ______.
The bending of shoot towards light is due to the hormone ______.
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
Which of the following is not applicable to the process of photosynthesis?
