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BBYCT-131 Biodiversity (Microbes, Algae, Fungi and Archegoniates) in English Solved Assignment 2019-2020

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ASSIGNMENT
Course Code: BBYCT-131
Assignment Code: BBYCT-131/TMA/2019-2020
Maximum Marks: 100

SKU: BBYCT-131 EM Categories: , , ,

Description

BBYCT-131 Solved Assignment 2019-2020

ASSIGNMENT
Course Code: BBYCT-131
Assignment Code: BBYCT-131/TMA/2019-2020
Maximum Marks: 100

Title Name BBYCT-131 Solved Assignment 2019-20
University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BSCG
Language ENGLISH
Semester 2019-2020 Course: B.SC(G) CBCS
Session 2019-20
Short Name BBYCT-131 (ENGLISH)
Assignment Code BBYCT-131/TMA/2019-2020
Product Assignment of BSCG 2019-2020 (IGNOU)
Submission Date This assignment is valid from 1st July, 2019 to 30th June, 2020. If you have failed in this
assignment or fail to submit it by June, 2020, then you need to get the assignment for the year
2020-21, and submit it as per the instructions given in the Programme Guide.
Price RS. 80

Note: Attempt all questions. The marks for each question are indicated against it.
Marks
Part A
1. a) With the help of well labelled diagram, describe the internal structure of a typical
bacterium. Differentiate a bacterial cell from an archaeal cell. (2½)
b) Describe the major three mechanisms for genetic recombination in bacteria. (5)
2. a) Are viruses living? Comment. (1)
b) Describe the general structure of RNA virus (TMV) and DNA virus (T- phage) (1½)
c) Describe the replication in bacteriophage. (5)
3. a) Make outline diagrams of different types of life cycles in algae. (5)
b) Distinguish between Chytridiomycota and Ascomycota in terms of Ecology. (5)
4. a) List the salient characteristic of three classes of Division Bryophyta. (5)
b) Discuss the role of Bryophytes in soil formation. (5)
5. a) Describe life cycle of a pteridophyte with proper diagram.
b) Compare the reproductive organs and reproduction of Selaginella, Equisetum and
Pteris with proper diagrams.
(5)
(5)
Part B
6. Describe the morphology of thallus, vegetative and sexual reproduction in Fucus with the
help of clear and well labelled diagrams. (10)
7. Define and differentiate between ecto- and endo-mycorrhiza with the help of clear and well
labelled diagrams. (10)
8. Explain the different structural, reproductive and physiological adaptations that have
enabled aquatic ancestors to establish on terrestrial habitats. (10)
9. a) Compare and differentiate between roots of Cycas and Pinus with proper diagrams.
b) Give a diagrammatic representation of life cycle of Pinus.
c) Describe the anatomical structure of Pinus stem with proper diagram.
(5)
(5)
(5)
10. Write notes on the following :
i) Telome theory
ii) Types of steles in Pteridophytes
iii) Pollination, fertilization and embryogeny in Cycas
iv) Difference between Gynmnosperms and Angiosperms
v) Economic importance of Gymnosperms as food and medicine.
(2×5=10)

BBYCT-131, BBYCT 131, BBYCT131

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