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Explain any eight of the following :
(a) . Isoenzymes
RUBISCO .
Phytochelati~
Brassinosteroids
Chlbroplast dimorphism
Fo - F, ATPase
Nutrient Loading
Bioremedi ation
Florigen
Temperature inversion

Discuss the role of carrier proteins in ion uptake
by plants.
Explain the carbon fixation pathway in plants
where the activities of two carboxylaiing enzymes
are temporally separated. What is the ecological
significance of that pathway,? 15
what are the causal factors that are associated
with symptoms such as shortened internodes,
death of shoot apices and intraveinal chlorosis in
crop plants ? 10
Mention the bio&hnologieal approaches used for
delaying ripening of fruits such as tomatoes. 15
Abscisic .acid is a stress hormone. Discuss. 25

IFS Botany Exam Question Papers







IFS Botany Exam Question Papers

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