Factors Affecting Photosynthesis
Factors Affecting Photosynthesis: Overview
This Topic covers sub-topics such as Factors Affecting Photosynthesis, Raw Materials for Photosynthesis, Compensation Point, Law of Limiting Factor, Internal Factors Affecting Photosynthesis and, External Factors Affecting Photosynthesis
Important Questions on Factors Affecting Photosynthesis
Match the following lists:
List-I | List-II | ||
(A) | saturation in plants is | (I) | |
(B) | saturation in plants is | (II) | of full sunlight |
(C) | Light saturation occurs at | (III) | Reduces the availability |
(D) | Water stress closes stomata | (IV) |
The correct match is:

When two plants and were exposed to different light intensities and temperatures, they showed changes in their rates of photosynthesis, which have been represented in the following graph.
The graph indicates that

Which of the following is not an internal factor that has role in photosynthesis?

The graph shows the relation between light intensity and the giving off and taking up of carbon dioxide by the leaves of a plant. Why is most carbon dioxide given off when the light intensity is zero units

When is added in small quantity in an experiment showing photosynthesis, what will be the effect of on the rate of photosynthesis?

The graph below represents the absorption spectrum of a major pigment contributing to photosynthesis.
Which one of the following best represents the photosynthetic efficiency of the pigment?

Which of the following factors is not a limiting factor for photosynthesis?

The detectable end product of photosynthesis is

Which of the following wavelength occurs in the red part of the spectrum?

The most effective wavelength of visible light in photosynthesis is

The light energy passes in the form of

Which of the following would not limit photosynthesis?

How do trees interact with each other?

The diagram below shows three plants with identical leaf surface areas:
Assuming all other conditions were identical for all three plants, which of the plants would likely to photosynthesize slowest and fastest.

If the light is made unavailable then the biosynthetic phase of photosynthesis

Observe the diagram and state the incorrect statement regarding it?

According to Blackman's law of limiting factor, which of the following is the most important limiting factor in the process of photosynthesis?

Maximum trapping of solar energy is observed in,

Blackman's law of limiting factor is applied to

Which of the following statement is incorrect about photosynthesis?
