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प्रश्न
A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to
पर्याय
remove chlorophyll from leaves
remove starch from the leaves
ensure that no photosynthesis occurred
ensure that the leaves are free from starch
उत्तर
ensure that the leaves are free from starch
APPEARS IN
संबंधित प्रश्न
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
(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.
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) __________.
Mention the exact location of the following :
Thylakoids
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Give a balanced chemical equation to represent the process of photosynthesis.
Define the following:
Organic food
Name the following:
The tissue that transports manufactured type of starch from leaves to all parts of the plants.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Complete the following food chains by writing the names of appropriate organisms in the blanks:
Grass → ______ → Snake → ______
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.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
Name the following:
The immediate product of photosynthesis.
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Give technical term:
What does NADP stand for?
Choose the Odd One Out
Choose the Correct Answer:
NADP is expanded as
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
State whether true or false. If false, correct the statement.
When the weather is hot, water evaporates lesser which is due to opening of stomata.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.
Draw the structure of the stomata and label the parts.
Label the diagram with the raw materials and products of photosynthesis.
