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प्रश्न
Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.
उत्तर
Plants growing in fertilized soil are often formed to wilt if the soil is not adequately watered because of flaccidity or a decrease in turgor pressure exerted by the absorbed water on the cell wall of plants.
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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?
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
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Study the same and then answer the questions that follow:
(i) Name the factor being studied in his experiment.
(ii) Why was the plant kept in a dark room before conducting the experiment?
(iii}Why was the experimental leaf then kept in
1. boiling water 2. methylated spirit?
(iv) Name the solution used to test for the presence of starch in the leaf.
(v) What will we observe in the experimental leaf at the end of the starch test?
(vi) Give a balanced chemical equation to represent the process of photosynthesis.
Choose the correct answer:
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The number of water molecules required in the chemical reactions to produce one molecule of glucose during photosynthesis is
The rate of photosynthesis is not affected by
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Photosynthesis is considered as a process supporting all life on earth.
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Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Give technical term:
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Choose the Odd One Out
Choose the Correct Answer:
Which would do maximum harm to a tree?
Choose the correct option.
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Where does the carbon that is used in photosynthesis come from?
Name the minute openings seen on the lower surface of the leaf.
