Nalanda Open University Old and Sample Question Papers and Question Bank
Annual Examination - 2015
B.Sc. Botany (Honours), Part-III
Paper-V (Physiology and Biochemistry)
Time: 3.00 Hrs. Full Marks: 80
Answer any five questions. Questions No. 1 is compulsory.
All questions carry equal marks.
1. Multiple choice questions :
(i) Transpiration would be most rapid when :
(a) Weather is dry (b) Air is still
(c) Atmosphere is fully humid (d) Weather is very dry
(ii) Uptake of ions is called active because :
(a) Energy is expended (b) Ions move positively
(c) Ions move freely (d) Ions are active
(iii) In C4 pathway of carbon fixation first stable product is :
(a) Phosphoenol pyruvic acid (b) Pyruvic acid
(c) Phosphoglyceric acid (d) None of these
(iv) Photosynthetic takes place chiefly in :
(a) Red light (b) Blue light
(c) Green light (d) Indigo
(v) Krebs cycle takes place in :
(a) Ribosome (b) Chloroplast
(c) Mitochondria (d) ER
(vi) How many ATP will be produced during the production of one molecule of Acetyl CoA from one molecule of pyruvic acid?
(a) 38 (b) 3
(c) 8 (d) 6
(vii) Gibberellin for the first time was obtained from :
(a) Lichen (b) Bacteria
(c) Alga (d) Fungus
(viii) Effect of day light on flowering of a plant is known as :
(a) Photorespiration (b) Photoperiodism
(c) Phototropism (d) Chemotropism
[ Also see: Nalanda Open University B.Sc. Botany Subsidiary Paper II 2015 Question Paper
2. Describe the mechanism of opening and closing of Stomata.
3. Give an account of Hatch and Slack pathway of CO2 fixation.
4. Mention the Krebs cycle in details.
5. Describe the role of auxins in the physiology of plants.
6. Give an account of the mechanism of geotropism.
7. What are trace elements? What role do these play in the physiology of plants.
8. Give an account of phytochrome system and flower initiation.
9. Explain the different stages of nitrogen cycle.
10. Write notes on any Two of the following :
(a) Alcoholic fermentation
(b) Non-cyclic photophosphorylation
(c) Condensation of fatly acid and glycerol
Annual Examination - 2015
B.Sc. Botany (Honours), Part-III
Paper-V (Physiology and Biochemistry)
Time: 3.00 Hrs. Full Marks: 80
Answer any five questions. Questions No. 1 is compulsory.
All questions carry equal marks.
1. Multiple choice questions :
(i) Transpiration would be most rapid when :
(a) Weather is dry (b) Air is still
(c) Atmosphere is fully humid (d) Weather is very dry
(ii) Uptake of ions is called active because :
(a) Energy is expended (b) Ions move positively
(c) Ions move freely (d) Ions are active
(iii) In C4 pathway of carbon fixation first stable product is :
(a) Phosphoenol pyruvic acid (b) Pyruvic acid
(c) Phosphoglyceric acid (d) None of these
(iv) Photosynthetic takes place chiefly in :
(a) Red light (b) Blue light
(c) Green light (d) Indigo
(v) Krebs cycle takes place in :
(a) Ribosome (b) Chloroplast
(c) Mitochondria (d) ER
(vi) How many ATP will be produced during the production of one molecule of Acetyl CoA from one molecule of pyruvic acid?
(a) 38 (b) 3
(c) 8 (d) 6
(vii) Gibberellin for the first time was obtained from :
(a) Lichen (b) Bacteria
(c) Alga (d) Fungus
(viii) Effect of day light on flowering of a plant is known as :
(a) Photorespiration (b) Photoperiodism
(c) Phototropism (d) Chemotropism
[ Also see: Nalanda Open University B.Sc. Botany Subsidiary Paper II 2015 Question Paper
2. Describe the mechanism of opening and closing of Stomata.
3. Give an account of Hatch and Slack pathway of CO2 fixation.
4. Mention the Krebs cycle in details.
5. Describe the role of auxins in the physiology of plants.
6. Give an account of the mechanism of geotropism.
7. What are trace elements? What role do these play in the physiology of plants.
8. Give an account of phytochrome system and flower initiation.
9. Explain the different stages of nitrogen cycle.
10. Write notes on any Two of the following :
(a) Alcoholic fermentation
(b) Non-cyclic photophosphorylation
(c) Condensation of fatly acid and glycerol
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