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Photosynthesis

30 PYQ across 6 exams · 1979–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CDS 2014 → … → GEO 2022
19791 PYQ
CSEQ27
Green plants in the sea are useful for the respiration offish because…
19821 PYQ
CSEQ13
Chlorophyll is a/an…
19861 PYQ
CSEQ11
The final product of photosynthesis is…
19871 PYQ
CSEQ14
Photosynthesis generally occurs in which portions of the plant?…
19921 PYQ
CSEQ11
Chlorophyll is a naturally occurring chelate compound in which central metal is…
20143 PYQs
CAPFQ124
Consider the following statements describing the functions of plants : 1. Photosynthesis is a process to convert light energy from the Sun i…
CDSQ95
Which one of the following elements is present in green pigment of leaf?…
CSEQ65
Which one of the following is the process involved in photosynthesis?…
20171 PYQ
CAPFQ74
Which one of the following elements is present in the green pigment of leaves?…
20183 PYQs
CAPFQ25
Which one of the following statements is correct?…
CDSQ13
Which of the following is not a primary function of a green leaf?…
CDSQ4
Which one of the following elements is essential for the formation of chlorophyll in green plants?…
20191 PYQ
CDSQ79
Chlorophyll in photosynthetic prokaryotic bacteria is associated with…
20201 PYQ
CISFQ18
During photosynthesis, O2 of the atmosphere is fixed with the help of H2O and sunlight to synthesize carbohydrate and O2 is evolved by the s…
20213 PYQs
CAPFQ23
Which one of the following is not a function of chlorophyll?…
NDAQ108
Which one of the following statements about the process of photosynthesis is correct ?…
NDAQ73
The gaseous product of a process in plants is a requirement for another vital process that releases energy. Given below are four combination…
20223 PYQs
CDSQ19
Which one of the following statements about the process of photosynthesis is correct?…
CDSQ17
Plants prepare glucose in the process of :…
GEOQ93
Which one of the following colours of the visible spectrum of light is least absorbed by the green plants?…
20234 PYQs
CDSQ2
A leaf was plucked from a plant on a sunny day and kept for 2 minutes in boiling water. It was subsequently immersed in boiling alcohol and …
GEOQ73
Which one of the following would be a suitable plant to test that chlorophyll is necessary for photosynthesis?…
NDAQ60
The green plants in a terrestrial eco-system absorbs sunlight that falls on their leaves and convert it into food energy. The percentage of …
NDAQ93
Which one of the following is NOT a requirement for photosynthesis ?…
20243 PYQs
CAPFQ17
Which one among the following is an example of endothermic process?…
CDSQ10
Photosynthesis that converts light energy into chemical energy by the plants, involves the use of green pigments of leaves called chlorophyl…
NDAQ120
Leaves of most plants appear green because the chlorophyll present in it:…
20252 PYQs
CSEQ40
With reference to the planet Earth, consider the following statements : I. Rain forests produce more oxygen than that produced by oceans. II…
GEOQ89
Which one of the following categories does not have photosynthetic pigments?…
20261 PYQ
CDSQ5
Which one of the following is not a function of the pigment carotenoid ?…
Related concepts — explore their timelines too
RespirationThermochemistryFermentationPlant Physiology
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