BSc Sem IV 2022 2023 Mar 2023 BOTANY II Question Paper - Mumbai University | munotes

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labelled diagrams wherever necessary, Q:1 A) Choose the correct option from the following: 10 Marks Osteo sclereids are also known as cells, b Xylem and phloem located on the same radius such type of vascular bundle is known
   • a. Conjoint b. Radial Balloon like protrusion are present inside the vessels are known as
   • a. Tylosis are plants that flower or in which flowering is accelerated when
   • a. Day Neutral b. Long Day Plants c. Short Day Plants (DNP) (LDP) All of the above e, Aerobic Respiration is also known as oxidation f, Phytochrome Pr absorbs the visible radiation at
   • g. Cellular Respiration is carried out by h The study of complex interrelations between organism and their environment in which they live and struggle for their existence is known as vegetation growing on wetland, Soil is a superficial layer of the earth’s crust formed from the soil parent material called
   • a. Calcification b. Eluviations Answer the following in one sentence: 10 Marks
   • a) What are the Funetions of phloem
   • b) What is the parenchymatous tissue Give the Number of ATP obtained from and FADH;
   • d) Detine Glycolysis
   • e) Detine the factor t Q.2 any two from the following: 20 Marks
   • a) Explain Growth Rings with help of neat and labelled diagram
   • b) Describe the different types of collenchyma and comment on its functions Describe components Xylem and its function
   • d) Describe Shearing stress and Inextensibility with help of neat and labelled diagram
2. Q3 Answer any two from the following 20 marks
   • a) Explain the mechanism of Anaerobic Respiration. Give ts importance,
   • b) Describe the Electron Transport System (ETS) with neat and labelled schematic diagram
   • c) What Photoperiodism? Give difference between SDP and LDP
   • d) Define the Vernalisation Process in detail. Give its application,
3. Q4 any two from the following 20 marks
   • a) Describe in detail carbon cycle. Add a note on its importance,
   • b) Explain the concept of Environmental factors Discuss the process of soil formation with respect to chemical weathering
   • d) and explain quantitative characteristics of community,
4. Q5 any four from the following 20 marks
   • a) Periderm
   • b) Heart and wood and Spring wood
   • c) * Importance of Respiration in plants,
   • d) Describe the Reaction of interconversion of Phytochromes
   • f) Stratification

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