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[A]: The rate of photosynthesis is deter...

[A]: The rate of photosynthesis is determined in terms of the rate of production either per unit mass of green tissue or per unit weight of total chlorophyll.
[R]: Amount of light, `CO_2` supply and temperature are important internal factors 'that directly affect the photosynthesis.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
C
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Match List-I with List-II and select the correct answer using the codes given below the lists {:(,"List-I",,"List-II"),(A.,"The amount of energy accumulation in green plants through the process of photosynthesis",1.,"Gross primary productivity"),(B.,"The total organic matter synthesized by the producers in the process of photosynthesis per unit time and area",2.,"Primary productivity"),(C.,"Rate of storage of organic matter in plant tissues in excess of the respiratory utilization during the measurement period",3.,"Secondary productivity"),(D.,"Rate of energy storage at consumer level",4.,"Net primary productivity"):}

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TRUEMAN BIOLOGY-Plant Physiology -ASSERTION AND REASON
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  2. [A]: Oxidation of H2O takes place during pho- tosynthesis. [R]: Ph...

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  3. [A]: The rate of photosynthesis is determined in terms of the rate of ...

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  4. [A]: The energy capturing part of photosynthesis occurs in thylakoid m...

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  5. [A]: The light dependent reactions occur in thylakoids. [R]: In thyl...

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  6. [A]: Tropical movements occuring in response to water stimulus are cal...

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  7. [A]: The evolution of molecular oxygen is con- cerned with photosystem...

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  8. [A]: Hill and Bendall proposed Z-scheme and suggested that photosystem...

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  9. [A]: Rhizobial aggregates have been observed at distinct sites on curl...

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  10. [A]: Light is very important external factor of transpiration. [R]:...

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  11. [A]: Wax, resin and suberin coating on the surface of plant parts redu...

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  12. [A]: Gibberellic acid when added to isolated aleurone layer, induces a...

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  13. Assertion : Auxillary buds, in actively growing herbaceous plants, gen...

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  14. Assertion : If you burn a plant , its nitrogen component is given of...

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  15. [A]: Amino acids are converted into ammonia by a group bacteria called...

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  16. [A]: Due to excessive use of fertilizers, the available water to the p...

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  17. [A]: Vernalization is also called as yarovization. [R]: In short day...

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  18. [A]: Fundamental factor in the vernalization is low temperature. [R...

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  19. [Aj: ABA plays an important role in plants during water stress and dro...

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  20. (A]: Cytokinins help in retention of cholorophyll and delayed senescen...

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