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Question
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.
Is there any control in this experiment? If so, state it.
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Solution
Yes. The other uncovered leave of the potted plant act as a control.
RELATED QUESTIONS
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow:
- Name the physiological process occurring in the green plant that has kept the mouse alive.
- Explain the physiological process mentioned above.
- Why did the mouse die in bell jar B?
- What is the significance of the process as stated in (i) for life on earth?
- Represent the above mentioned physiological process in the form of a chemical equation.
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
Distinguish between the following:
Photosynthesis and photophosphorylation.
Name the following:
The tissue that transports manufactured type of starch from leaves to all parts of the plants.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants are consumers.
Choose the Odd One Out
Choose the Correct Answer:
Compensation point means the condition:
Label the diagram with the raw materials and products of photosynthesis.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
