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प्रश्न
The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae
उत्तर
Thylakoids
(The individual flattened stacks of membrane material inside the chloroplast are known as thylakoids.)
APPEARS IN
संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
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.
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis.
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.
Are the following statement true or false? Give a reason in support of your answer.
Photosynthesis is considered as a process supporting all life on earth.
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.
Why was the plant kept in the dark before the experiment?
Name the membrane that connects thylakoid of one granum With the other granum.
Give some adaptations in green leaf photosynthesis.
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Give technical term:
What does ATP abbreviate for?
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Complete the following sentence with appropriate word:
A light reaction is a ___________ reaction.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The dark reaction of Photosynthesis is light-independent.
State whether true or false. If false, correct the statement.
Plants lose water when the stomata on leaves are closed.
The source of O2 liberated in photosynthesis is ______.
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
The minerals like nitrogen, potassium, and phosphorus, which are required in substantial quantity by the plants are called ______.
