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प्रश्न
Distinguish between the following:
Photosynthesis and photophosphorylation.
उत्तर
| Photosynthesis | photophosphorylation |
| (i) Photosynthesis involves both the light and dark reaction . | (i) photophosphorylation takes place only during light reaction. |
| (ii) It is a complete process in which food/glucose is produced in plants . | (ii) It is a part of photosynthesis in which a molecule of phosphate is added to ADP to form ATP . |
APPEARS IN
संबंधित प्रश्न
The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.
State the main functions of the following:
Cytokinins
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
How does carbon dioxide return to the atmosphere? Explain.
A student in order to study the importance of certain factors of photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning the student covered one of the leaves with black paper in the centre only. Student placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
(i) What aspect of photosynthesis was being investigated?
(ii) Is there any control in this experiment? If so, state the name.
(iii) Why was the plant kept in the dark before the experiment?
(iv) Describe step by step how the candidate proceeded to test the leaf for the presence of starch.
Choose the correct answer:
Photosynthesis is more active in ___________
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Identify the false statements and rewrite them correctly by changing the first or last word only.
Immediate product of photosynthesis is glucose.
Oxygen given out during photosynthesis comes from water. Explain this statement.
Explain the Term Calvin Cycle.
Give technical term:
Which process is the ultimate source of energy for all living organisms?
Complete the following sentence with appropriate word:
One of the products of ______of water is oxygen.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.
Choose the Odd One Out
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Grana | (a) | Decomposers |
| (ii) | Autotrophs | (b) | Light reaction |
| (iii) | By-products of photosynthesis | (c) | Animals |
| (iv) | Photolysis | (d) | Oxygen |
| (v) | Bacteria and fungi | (e) | Stimulated by light |
| (vi) | Chloroplast | (f) | Power |
| (vii) | Oxygen and water | (g) | Raw material |
| (viii) | Sunlight | (h) | Machinery |
| (ix) | CO2 and water | (i) | End products |
| (x) | Glucose (sugar) | (j) | Workrooms |
| (xi) | Cells in the leaf | (k) | By-products. |
Choose the correct option.
In maize and wheat, the first stable products formed in bundle sheath cells respectively are ________.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
