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Biology NEET - XI: Chapter 13- Photosynthesis Part 1

Biology25 CardsCreated about 2 months ago

This deck contains 25 flashcards covering the molecular formulas, structures, and roles of chlorophylls, carotenes, and phytol in photosynthesis.

C₅₅H₇₂O₅N₄Mg is the molecular formula of

Chlorophyll a
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Key Terms

Term
Definition
C₅₅H₇₂O₅N₄Mg is the molecular formula of
Chlorophyll a
C55H74O6N4Mg is the molecular formula of
Chlorophyll b
C35H32O5N4 is the molecular formula of
Chlorophyll c
C54H70O6N4Mg is the molecular formula of
Chlorophyll d
How many pyrrole rings are present in a chlorophyll molecule?
4
What forms the head of chlorophyll molecule?
Porphyrin ring (tetrapyrrole structure)

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TermDefinition
C₅₅H₇₂O₅N₄Mg is the molecular formula of
Chlorophyll a
C55H74O6N4Mg is the molecular formula of
Chlorophyll b
C35H32O5N4 is the molecular formula of
Chlorophyll c
C54H70O6N4Mg is the molecular formula of
Chlorophyll d
How many pyrrole rings are present in a chlorophyll molecule?
4
What forms the head of chlorophyll molecule?
Porphyrin ring (tetrapyrrole structure)
What forms the tail of chlorophyll molecule?
Phytol tail
Phytol tail is absent in which chlorophyll?
Chlorophyll c
Carotenol is the other name for
Xanthophyll
Name the basic carotene.
Lycopene
What makes tomato, rose, etc red?
Lycopene (carotene)
What gives colour to the autumn foliage?
Leutin (xanthophyll)
Where are carotenols found in animals?
Corpus luteum
What happens to carotenes in animals?
It is converted into vitamin A
What is the colour of allophycocyanin?
Green
Which are the universal pigments found in plant kingdom?
Chlorophyll a, β-Carotene
Which wavelength of light does photosystem I absorb the most?
700 nm
Which wavelength of light does photosystem II absorb the most?
680 nm
Which photosystem is light green in colour?
Photosystem I
Which photosystem is dark green in colour?
PSII
How many chlorophyll a molecules does PSI have?
200-400
How many chlorophyll a molecules does PSII have?
200
Where is PS I found?
Stroma lamellae and granum
Where is PSII found?
Granum
Which photosystem is involved in both cyclic and noncyclic photophosphorylation?
PSI