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Earn 100


Priestley concluded on the basis of the above experiment that

(a)Burning candle or animal that breathes the air, somehow damages the air.
(b)Plants restore the air, whenever breathing animal and burning candle remove.
(c)Both (a) and (b)
(d)Light is essential for it.

80.43% studentsanswered this correctly
Important Questions on Consequences
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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 |

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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 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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Study the following lists and match the discoveries and/or inventions made by the scientists during century
List - I | List - II | ||
(a) | Oxygen evolution from in photosynthesis | (i) | Benson |
(b) | path way of Carbon assimilation | (ii) | V.S. Rama Das |
(c) | Contribution to -photosynthesis | (iii) | Robert Hill |
(d) | Artificial synthesis of genes | (iv) | Hara Govind Khorana |
(v) | Frankel Conrat |
The correct answer is

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Radioactive isotopes employed to study photosynthesis are

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HARD

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