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प्रश्न
Respiration is said to be the reversal of photosynthesis.
उत्तर
Respiration is a catabolic process while photosynthesis is an anabolic process. During respiration, CO2 is given out while during photosynthesis O2 is given out.
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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?
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) __________.
Expand the following biological abbreviations :
ATP
The figure given below represents the vertical section of a leaf.
( i) Name the parts labeled 1 to 5.
( ii ) What do the two arrows (dotted and solid) indicate in the daytime and at night?
( iii) Could you add one more arrow in the figure? If yes, what for?
( iv) How many leaf veins have been shown in this section?
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
The raw materials for photosynthesis include water and carbon dioxide.
The specific function of light energy in the process of photosynthesis is to
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants are consumers.
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.
How is the rate of photosynthesis affected when a green plant gets the green light?
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Name the following:
Source of oxygen given out in photosynthesis.
Complete the following sentence with appropriate word:
AIIP stands for ____________.
Choose the correct option.
Energy is transferred from the light reaction step to the dark reaction step by ______.
The chemical reaction occurs during photosynthesis is ______.
The source of O2 liberated in photosynthesis is ______.
What is photosynthesis and wherein a cell does occur?
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
