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प्रश्न
Define the following:
Plant pigments
उत्तर
Plant pigments - Plant pigments are a variety of different kinds of molecules present in plants that absorb certain wavelengths of light while reflecting others.
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संबंधित प्रश्न
Formalin, Iodine, DDT, Lime
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
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 : 
What is Thigmotropism? Give one example.
Mention the exact location of the following :
Thylakoids
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
What will you observe in the experimental leaf after the starch test?
What is meant by photosynthesis? Why is it so important in nature?
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) ______.
Oxygen given out during photosynthesis comes from water. Explain this statement.
Explain the term Photosynthetic Membrane.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Give technical term:
The main reaction which means the breaking up of water molecules through light.
Complete the following sentence with appropriate word:
AIIP stands for ____________.
During photosynthesis, ________ is produced and stored in the leaf.
The chemical reaction occurs during photosynthesis is ______.
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
What are primary producers?
The end product of photosynthesis is ______.
Plants inhale and exhale continuously through the ______.
