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LSE-09 Animal Diversity-I in English Solved Assignment 2020

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Animal Diversity-I
Course Code: LSE-09
Assignment Code: LSE-09/TMA/2020
Maximum Marks: 100

SKU: LSE-09 EM Categories: , , ,

Description

LSE-09 Solved Assignment 2020

ASSIGNMENT
(Tutor Marked Assignment)
Animal Diversity-I
Course Code: LSE- 09
Assignment Code: LSE-09/TMA/2020
Maximum Marks: 100

Title Name LSE-09 LIFE SCIENCES Solved Assignment 2020
University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BSC (LIFE SCIENCES) LSE
Language ENGLISH
Semester 2019-2020 Course: BSC (LIFE SCIENCES) LSE
Session 2019-20
Short Name LSE-09 (ENGLISH)
Assignment Code LSE-09/TMA/2020
Product Assignment of BSC (LIFE SCIENCES) 2019-2020 (IGNOU)
Submission Date This assignment will remain valid for one year from January 1, 2020 to December 31, 2020
Price RS. 80

1. (a) What are the salient features of Porifera?
(b) How are coral reefs formed?
(5)
(5)
2. (a) What is torsion? Discuss the process of torsion in gastropods.
(b) What are the characteristics of echinoderms that are unique to
them and not found in other phyla?
(10)
(10)
3. Explain adaptive radiations in Polychaeta. (10)
4. (a) Define biological communication.
(b) What is ritualisation?
(c) What does fixed action pattern mean?
(d) Name any two purpose for which
i) visual signals are used.
ii) auditory signals are used.
(e) What is stridulation?
5. Describe the various types of circulatory system found in non-chordates.
Illustrate your answer with diagrams.
(20)
6. Discuss the non-chordates yielding industrial products and medicinal
products.
(10)
7. Write short notes on the following:
(a) Communication through visual in insects
(b) Chemoreceptors in non-chordates
(c) Water vascular system in starfish
(d) Strobillaiton

LSE-09, LSE-9, LSE 09, LSE 9, LSE09, LSE9, LSE

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