M.Sc-M.Sc Botany 1st Sem BO - 1.2 : Plant Physiology and Biochemistry(University of Pune, Pune-2013)

Total No. of Questions : 8]                       P483

                       [4334] - 102

                        M.Sc. - I

                                                 BOTANY

SEAT No. :                                                       [Total No. of Pages : 2

               BO - 1.2 : Plant Physiology and Biochemistry

                        (2008 Pattern) (Semester - I)

Time : 3 Hours]                                                                                                [Max. Marks :80

Instructions to the candidates:

1) Answer any Five questions, taking at least Two questions from each Section.

2) Answer to the TWO sections should be written in SEPARATE answer books. 3) All questions carry EQUAL marks.

4) Neat diagrams must be drawn WHEREVER necessary.

SECTION - I

Q1) Explain C4 cycle and add a note on its significance.

Q2) Give an account on electron transport system in plant mitochondria. Add a

note on cyanide resistant pathway.

Q3) Explain :

a)       Mechanism of action of Gibberellins.

b)       Signal transduction in guard cells.

Q4) Write short notes on any two of the following :

a)       Phloem loading and unloading.

b)       Drought stress.

c)       Biosynthesis of auxin.

P.T.O.

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