EASY
Earn 100
Who provided the evidence that glucose is formed during photosynthesis and is then stored in the form of starch?
61.64% 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
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
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
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
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?
