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Identify true statement regarding light reaction of photosynthesis.

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प्रश्न

Identify true statement regarding light reaction of photosynthesis.

विकल्प

  • Splitting of water molecule is associate with PS I.

  • PS I and PS II involved in the formation of NDPH+ H+.

  • The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.

  • The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.

MCQ
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उत्तर

PS I and PS II involved in the formation of NDPH+ H+.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Photosynthesis - Evaluation [पृष्ठ १४२]

APPEARS IN

सामाचीर कलवी Botany [English] Class 11 TN Board
अध्याय 13 Photosynthesis
Evaluation | Q 5. | पृष्ठ १४२
सामाचीर कलवी Biology (Botany) [English] Class 11 TN Board
अध्याय 13 Photosynthesis
Evaluation | Q 5. | पृष्ठ २६०

संबंधित प्रश्न

Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side. Or, compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why?


Short answer question.

Why do leaves generally look green?


Short answer question.

Which gas is taken in and which one is given out by the leaf in bright sunlight?  

(i) Taken in :
(ii) Given out:


Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.

  Column A    Column B 
   Left     Factory 
1 Cells in the leaf  a Raw materials 
2 Chloroplast  b Power 
3 Sunlight  c Machinery 
4 Oxygen and water  d End product 
5 Carbon dioxide and water  e By product 
6 Glucose  f Workroom

State whether the following statement is True or False: 

The chlorophyll enables the plants to use light energy.


State whether the following statement is True or False: 

The free oxygen in the atmospheric air is the result of photosynthesis.


State whether the following statement is True or False:  

Photosynthesis occurs only in chlorophyll-containing parts of the plant. 


Long answer question.

In order to carry out photosynthesis, what are the substances that a plant must take in? Also mention their sources.


Long answer question.

What is the role of chlorophyll in photosynthesis?


Long answer question.

Do plants need oxygen? If so, what is its source?


Tick the most appropriate answer.  

Plants have these for the exchange of gases.


Identify the false statement and rewrite it correctly by changing the first or last word only.

Photosynthesis requires enzymes.


Are the following statement true or false? Give a reason in support of your answer.

The outside atmospheric temperature has no effect on the rate of photosynthesis.


Two groups (A & B) of bean plants of similar size and same leaf area were placed in identical conditions. Group A was exposed to the light of wavelength 400-450 nm & Group B to light of wavelength of 500-550 nm. Compare the photosynthetic rate of the 2 groups giving reasons.


When there is plenty of light and a higher concentration of O2, what kind of pathway does the plant undergo? Analyse the reasons.


Process of photosynthesis is ______.  


In tropical rain forests, the canopy is thick and plants growing below receive filtered light. How are they able to carry out photosynthesis?


The optimum temperature for the process of photosynthesis is ______.


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