Plant Kingdom Question 72
Question: Make correct pair [RPMT 1997] A. Cyanophyceae a. Green colour B. Chlorophyceae b. Blue green colour C. Phaeophyceae c. Red colour D. Rhodophyceae d. Brown colour
Options:
A) Aa, Bb, Cc, Dd
B) Ab, Bc, Cd, Da
C) Ab, Ba, Cd, Bc
D) Ad, Bd, Ca, Db
Show Answer
Answer:
Correct Answer: C
Solution:
Cyanophyceae - The blue-green colour is due to presence of a phycobilin pigment c-phycocyanin (also c-phycoerythrin).
Chlorophyceae - The green colour is due to presence of a chl.
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a, chl.
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b, xanthophylls and carotens.
Phaeophyceae - Brown colour is due to presence of pigment 'fucoxanthin'. Rhodophyceae - Colour is red due to presence of a red pigment (r-phycocyanin) in the chromatophores.
BETA
