BO-07
June - Examination 2017 BSC - Pt. II Examination
Plant Physiology and Biochemistry
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Paper - BO-07
Time : 3 Hours ] [ Max. Marks :- 50
Note: The question paper is divided into three sections A, B and C.
Write answers as per the given instructions.
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Section - A 10 × 1 = 10 (Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 1 mark.
IÊS> - "A' (A{V bKw CÎmar¶ àíZ)
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693
BO-07 / 600 / 4 (1) (P.T.O.)
693
BO-07 / 600 / 4 (2) (Contd.)
1) (i) Define ‘‘Hydrathodes’’.
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(ii) What is radial movement of water?
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(iii) Define Guttation.
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(iv) What symptoms of potassium deficiency?
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(v) Name the cell organelle responsible for Photosynthesis.
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(vi) What is Emmersion effect?
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(vii) Which Chlorophyll is known as universal and why?
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(viii) Mention four differences between Aerobic and anaerobic respiration.
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(ix) Name the site of Glycolysis, Kreb cycle and electron transfer.
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(x) What do you understand with respiratory substrate?
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BO-07 / 600 / 4 (3) (P.T.O.) 693
Section - B 4 × 5 = 20 (Short Answer Questions)
Note: Answer any four questions. Each answer should not exceed 200 words. Each question carries 5 marks.
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2) Write in detail about ‘‘Florigen’’.
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3) What is the meaning of tropic, tactic and hastic movements?
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4) Explain photoperiodic induction.
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5) Describe the discovery and chemical structure of cytokinins.
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6) Explain b-oxidation of fatty acids.
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7) Write a note on enzyme distribution of Mitochondria.
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8) Describe the method of nitrate reduction in plants.
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9) Discuss main difference between photo system I and photo system II.
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693
BO-07 / 600 / 4 (4)
Section - C 2 × 10 = 20 (Long Answer Questions)
Note: Answer any two questions. You have to delimit your each answer maximum up to 500 words. Each question carries 10 marks.
(IÊS> - g) (XrK© CÎmar¶ àíZ)
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10) Discuss C4 cycle and point out characters of C4 plants.
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11) Write notes on: {ZåZ na {Q>ßnUr H$ao:
(i) Structure of Chlorophyll ³bmoamo{’$b H$s g§aMZm
(ii) Properties of enzymes EÝOmB‘m| Ho$ JwU
12) What are Gibbrelins? Discuss their types chemical structure, synthesis and role in plants.
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13) Explain following:
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(i) Growth inhibitors
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(ii) Physiological effects of auxin
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(iii) Oxidative photo phosphorylation
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(iv) Senescence
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