EASY
Earn 100

Who is known as the father of plant physiology?
Important Questions on Photosynthesis in Higher Plants
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
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
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
The primary producers of the deep-sea hydrothermal vent ecosystem are

EASY
The percentage of sunlight captured by plants is

MEDIUM
How do each of the following factors affect the productivity in the process of photosynthesis?
Carbon dioxide

EASY
Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side. Or, compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why?

HARD
Write an experiment to prove that chlorophyll is necessary for photosynthesis.

MEDIUM
How do each of the following factors affect the productivity in the process of photosynthesis?
Water

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

EASY
Which of the following is not required in the synthesis of carbohydrates?

HARD
The rate of photosynthesis is reduced considerably in green light because

MEDIUM
How do plants get each of the raw materials required for photosynthesis?

MEDIUM
A suspension of isolated chloroplasts was illuminated in the absence of carbon dioxide and DCPIP. Will the color suspension appear blue?

HARD
Experimentally prove that CO2 is necessary for photosynthesis?

EASY
Emerson effect explain the phenomenon of

HARD
Photosynthetically active radiation (PAR) represents which of the following range of wavelengths?

MEDIUM
A de-starched leaf and a potted plant are coated with Vaseline on both sides and placed in sunlight. After a few hours, it is tested for the presence of starch. Will the test be positive or negative?

EASY
What are the raw materials necessary for photosynthesis to take place?

