Conditions Necessary for Photosynthesis
Chlorophyll: Green leaves are called food factories of plants. This is because the food-making process takes place in leaves. The leaves have a green pigment called chlorophyll. The green colour of the leaves is due to the presence of this pigment. The cells of green leaves and young stems have several green structures called chloroplasts. Chloroplasts contain chlorophyll. Light energy is absorbed by the chlorophyll. CO2 is obtained from the atmosphere through stomata mostly present on the underside of the leaves.
Light Energy from Sunlight: Sun is the ultimate source of light energy. Chlorophyll traps the light energy from the sun during the process of photosynthesis.
Water and Minerals from Soil: Plants absorb water and minerals from the soil through their roots and leaves. The root system consists of a main or primary root, rootlets, or secondary roots, and root hair. Root hair increases the surface area of roots. They are found in great numbers near the tips of the roots. Water and soluble nutrients enter the root hair, pass through the secondary roots, and travel through the main roots into the stems. They reach the leaves through pipe-like vessels present inside the roots, stem, branches and leaves. These vessels are called xylem. The xylem forms a continuous passage for the water, minerals and other nutrients to reach the leaves.
Carbon Dioxide from Air: Leaves take in carbon dioxide and release oxygen through the tiny pores called stoma (singular—stoma). The stomata are present on the underside of leaves. Each stoma is surrounded by guard cells. The guard cells regulate the opening and closing of stomata.
Leaves are the food factories of a plant. However, other parts of the plant play important roles, too.The roots absorb water and minerals from the soil.
The sugar and starch content in leaves would be at its lowest ________ | |||
Right Option : D | |||
View Explanation |
Chlorophyll is present in an animal cell. | |||
Right Option : B | |||
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Name the physiochemical process in which chemical energy is produced by light energy with the help of a photosynthetic organism? | |||
Right Option : A | |||
View Explanation |
Third consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
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Abhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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Usually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
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