Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Yes. The other uncovered leave of the potted plant act as a control.
संबंधित प्रश्न
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?
Choose the correct answer:
Photosynthesis is more active in ___________
What is the law of limiting factors?
Explain the term Photosynthetic Membrane.
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
Oxygen is produced at what point during photosynthesis?
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
Only green plants have the unique capacity to release ______ into the atmosphere.
