EASY
Earn 100

The scientist, who proved that bacteria use gas and to synthesize carbohydrate, is
(a)Van Niel
(b)Ruben
(c)Jean Senebier
(d)Julius Robert Mayer

81.82% studentsanswered this correctly
Important Questions on Photosynthesis in Higher Plants
EASY
The percentage of sunlight captured by plants is

MEDIUM
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 |

EASY
Oxygen is not produced during photosynthesis by

MEDIUM
The primary producers of the deep-sea hydrothermal vent ecosystem are

MEDIUM
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 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:

MEDIUM
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:

MEDIUM
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

MEDIUM
What is the evidence to show that released during photosynthesis comes form water?

EASY
Path of carbon in photosynthesis was found by using

MEDIUM
Radioisotopic technique was used to establish some facts regarding :

EASY
Radioactive isotopes employed to study photosynthesis are

EASY
During photosynthesis, what is the source of oxygen?

EASY
Engelmann's experiment with Spirogyra demonstrated that

HARD
Photolysis of water by isolated chloroplasts was demonstrated by

MEDIUM
Only the green part of the plants could release oxygen in the presence of sunlight during photosynthesis was explained by

EASY
The experimental material that has largely been responsible for making rapid advances in research on photosynthesis is.

EASY
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

MEDIUM
The first experiment on photosynthesis in flashing light were carried out by

EASY
Algae used by Calvin and associates for photosynthetic research is

EASY
The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as

