History of photosynthesis - class-XII
Description: history of photosynthesis | |
Number of Questions: 45 | |
Created by: Avani Handa | |
Tags: living world of plants - plant physiology botany mineral nutrition biology photosynthesis in higher plants photosynthesis |
Which scientists are related with light reaction and what is its site?
Root pressure theory was supported by
Conversion of light energy into chemical energy within the plant body was first stated by?
Who is called as 'father of Indian plant physiology'?
Process of photophosphorylation was first given by
Bio-chemical phase in photosynthesis was first discovered by
Which of the following was used during discovery of Calvin cycle?
The term photorespiration was coined by
Who among the following scientist was awarded the Nobel Prize in 1961 for tracing the path of carbon in photosynthesis?
The scientist, who proved that bacteria use $H _{2}S$ gas and $CO _{2}$ to synthesize carbohydrate is
Who proposed the cycle of events leading to the fixation of $CO _{2}$ in mesophyll and its reduction in bundle sheath?
Which of the following reveals the role of air in the growth of green plants?
Photosynthesis (nourishment in light) was discovered by
Two pigment system theory of photosynthesis was proposed by
Most of the plants contain a green colouring pigment which is responsible for photosynthesis. This pigment was named chlorophyll by
The term dephlogisticated air was given by
Sunlight is essential to the plant process is shown by the
Action spectrum of photosynthesis was first studied by
The first scientist to find out the role of light in photosynthesis was
Action spectrum of photosynthesis was discovered in 1883 by
Which of the following is wrongly matched?
Terms apoplast and symplast were first used by
What is the contribution of Boussingault in the study of photosynthesis?
Melvin Calvin recieved nobel prize for
Chemistry of photosynthetic pigments was first studied by
Who discovered that green plant parts and light are essential for photosynthesis?
What did Engelmann observe from his prism experiments?
Which phytohormone is responsible for the promotion of female flowers in cucumber?
Who proved that plant purifies air and animals impurifies air?
The process of photosynthetic photophosphorylation was described by
First photosynthetic organisms to appear on earth were :
Action spectrum of photosynthesis was discovered by
The process of photophosphorylation was discovered by
Match the name of the scientists with their important contributions given under. Choose the answer which gives correct combination.
List I (Scientists) | List II (Contributions) | ||
---|---|---|---|
A | Peter Mitchell | 1 | Law of limiting factor |
B | Blackmann | 2 | Calvin cycle |
C | Daniel Arnon | 3 | Photosynthetic phosphorylation |
D | Melvin Calvin | 4 | Chemiosmotic hypothesis |
5 | Mass flow hypothesis |
Who demonstrated the role of light in plant nutrition?
Match the items of column I and column II
Column I | Column II | ||
---|---|---|---|
a | Mitchell | p | Steps of dark reaction to photosynthesis |
b | Gibbs | q | Photophosphorylation |
c | Arnon | r | Concept of free energy |
d | Calvin | s | Chemiosmotic hypothesis |
t | Mass flow hypothesis |
Who proposed Z-scheme of light reaction?
Who found that organic matter is synthesised with the help of solar energy?
Who is called as 'father of plant physiology'?
Photosynthesis is the conversion of light energy within a plant was first stated by
Who stated that in photosynthesis light energy is converted into chemical energy?
Scientist who discovered the role of light in photosynthesis was
Most of the experimental work in photosynthesis has been done on
Chloroplast involvement in photosynthesis was discovered by
Van Helmont concluded that plants get their food from