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The scientist, who proved that bacteria use H2S gas and CO2 to synthesize carbohydrate, is

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Important Questions on Photosynthesis in Higher Plants

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Match the following?

Column-I Column-II Column-III
(a) Joseph Priestley (i) Glucose production (p) Photosynthesis
(b) Julius Von Sachs (ii) Role of sunlight (q) Plants restore air
(c) Jan Ingenhousz (iii) Role of air (r) Green parts of plants
(d) T. W. Engelmann (iv) Action of spectrum (s) Release of O2

 

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The primary producers of the deep-sea hydrothermal vent ecosystem are
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Match the following lists.
  List-I   List-II
A Sunlight is essential to the plant process that purifies air fouled by breathing animals I Melvin Calvin
B Bacteria were used to detect the sites of O2 evolution II Sachs
C Evidence for the production of glucose III Priestley
D Role of air in the growth of green plants IV Ingenhousz
    V Engelman
    VI Neil

The correct match is:

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Assertion (A): When a green alga Cladophora is placed in a suspension of aerobic bacteria, on the illumination of different lights, only at the blue and red light bacteria accumulated.
Reason (R): The bacteria release O2 by the process of photosynthesis.
The correct option among the following is:
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Study the following lists and match the discoveries and/or inventions made by the scientists during 20th  century

   List - I     List - II
(a) Oxygen evolution from H2O in photosynthesis (i) Benson
(b) C3 path way of Carbon assimilation (ii) V.S. Rama Das
(c) Contribution to C4 -photosynthesis (iii) Robert Hill
(d) Artificial synthesis of genes (iv) Hara Govind Khorana
    (v) Frankel Conrat

The correct answer is

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What is the evidence to show that O2 released during photosynthesis comes form water?
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Radioisotopic technique was used to establish some facts regarding :
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Radioactive isotopes employed to study photosynthesis are 

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Photolysis of water by isolated chloroplasts was demonstrated by
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Only the green part of the plants could release oxygen in the presence of sunlight during photosynthesis was explained by
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The experimental material that has largely been responsible for making rapid advances in research on photosynthesis is.
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The first important biological investigation which led to the conclusion that plant makes its substance from water and not from soil was carried out by
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The first experiment on photosynthesis in flashing light were carried out by
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Algae used by Calvin and associates for photosynthetic research is
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The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as