BSc Botany Sem I ATKT 2017-18 ATKT Botany Paper II Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labelled diagrams wherever necessary
2. Q1 (A) Choose the correct option from the following: 10 marks
   • (a) suggested the Fluid Mosaic Model
   • (b) Dark reaction of photosynthesis takes place in 4
   • i) grana of Chloroplast stromaof Chloroplast — iii) membrane of iv) Lysosomes
   • (c) Middle Lamella of plant cell wall is mainly composed of
   • (d) cannot be recycled Ecosystem
   • (e) ‘Energy can neither be created nor destroyed, it can only be converted from one form to another’, is Law of Thermodynamics
   • (f) Lentic is type of Ecosystem
   • (g) of Ecosystem
   • (h) is a possible abbreviation for a genotype
   • (i) The genes present on an organism represents the organism’s
   • (j) duplicate dominant epistasis, the Mendel’s dihybrid ratio of 9:3:3:1 is changed to
   • Q.P. Code : 00216
3. Q1 (B) Answer the following in one sentence: 10 marks
   • (a) What are tubules?
   • (b) Define Desmosomes
   • (c) Give the vertical zonation in Ocean
   • (d) Define Ecosystem
   • (e) What is a genotype?
4. Q2 Answer any two from the following: 20 marks
   • (a) Explain the structure of a plant cell
   • (b) Describe the ultrastructure and functions of Endoplasmic Reticulum
   • (c) Write anote on ultrastructure and functions of Chloroplast
   • (d) Describe the Fluid Mosaic Model to explain the structure of a
5. Q3 Answer any two from the following: 20 marks
   • (a) Explain energy flow in an ecosystem with the help of any one energy flow model
   • (b) Define Ecosystem and give an account of its different components
   • (c) Discuss the Laws of Thermodynamics Ecosystem
   • (d) Discuss different components of Desert Ecosystem
6. Q4 Answer any two from the following: 20 marks
   • (a) Explain the terms ‘Co-dominance’ and ‘Intermediate Inheritance’ with suitable examples
   • (b) Define and explain Mendel’s Law of Independent Assortment giving suitable example
   • (c) Define epistasis. Explain dominant epistasis suitable example
   • (d) Two non-allelic genes govern the plumage in Parakeet. The genotype BY produces green plumage, Byy produces blue, bbY produces yellow and bbyy produces white plumage. Give the phenotype of the parents, genotype and phenotype of progeny and in the following crosses:
7. Q5 Write short notes (Any four): 20 marks
   • (a) Functions of Cell wall
   • (b) Functions of Cell membrane
   • (d) Pyramid of Biomass
   • (e) ABO blood groups in man
   • (f) Mendel’s seven characters of pea plant

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