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प्रश्न
Name the following:
The tissue that transports manufactured type of starch from leaves to all parts of the plants.
उत्तर
Phloem
APPEARS IN
संबंधित प्रश्न
Cytoplasm : Cytokinesis : : Nucleus : __________
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? 
Part 1 is affected by two stimuli. Name them. Which one of the two is stronger?
Define the following:
Quantum
Name the following:
The cell organelle responsible for photosynthesis.
During photosynthesis, the oxygen in glucose comes from
Name the following:
The category of organisms that prepare their own food from basic raw materials.
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.
What aspect of photosynthesis was being investigated?
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.
Give technical term:
In photosynthesis radiant energy is converted into which from?
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:
Land plants obtain their CO2 from the atmosphere.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
KOH absorbs CO2.
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. |
Name the plant part
- Which bends in the direction of gravity but away from the light.
- Which bends towards light but away from the force of gravity.
During photosynthesis, plants exhale ______.
Which gas evolved during photosynthesis?
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
