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Earn 100

Identify incorrect statement/s related to Joseph Priestley experiment.
(a)Joseph Priestley in performed a series of experiments that revealed the essential role of chlorophyll in the growth of green plants.
(b)Priestley discovered carbon-dioxide in .
(c)Plants restore to the air whatever breathing animals and burning candles remove.
(d)He placed a mint plant in a closed container with a burning candle.

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Important Questions on Nutrition - Food Supplying System
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What precautions do you take while conducting an experiment on root pressure?

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Reason (R): The bacteria release O2 by the process of photosynthesis.
The correct option among the following is:

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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

