Download Model question papers & previous years question papers
Submit Previous Years University Question Papers
Posted Date: 02 Jun 2021 Posted By:: Shubham Jain Member Level: Silver Points: 3 (₹ 2)
2020 Indira Gandhi National Open University General B.Sc Life science IGNOU TEE 2020 June Lse - 09 (Animal Diversity - 1) question paper Question paper
Are you in the BSc course of Ignou and looking for previous year question papers? Here is the question paper of Lse - 09 (Animal Diversity 1) of June 2020 session. Feel free to download it as it is 100% free and stay tuned for more such.
Q1. (a) Differentiate between any three of the following pairs: [6 marks]
(i) Acellular and Cellular organisms
(ii) Biting-chewing and Sucking types of mouth parts
(iii) Open and Closed types of circulatory system
(iv) Taxis and Kinesis.
(b) Match the following:
(c) Choose the appropriate 'option given in the parentheses. [4 marks]
(i) (Robert Hooke/Schleiden) discovered 'cells' in 1665.
(ii) (Atolls/Barrier) reefs consist of a ring-shaped reef enclosing an open lagoon.
(iii) Sacculina belongs to the order (Rhizocephalan/Decapodal) (iv) The typical gastropod shell is (symmetrical/asymmetrical).
Q2 (a) Differentiate between prokaryotes and eukaryotes. [7 marks]
(b) Discuss the origin and evolution of metazoan. [8 marks]
Q3. (a) Describe the characteristic features of different classes of animals belonging to Phylum Porifera. [7 marks]
(b) What are coral reefs? Explain types and formation of coral reefs.
Q4. (a) Describe the process of torsion in gastropods. [7 marks]
(b) What are the characteristics of cephalopods that are unique to them and make them distinct from other animals? [8 marks]
Q5. (a) Explain coelom and metamerism in annelids. [8 marks]
(b) Describe the chief variants of mechanoreceptors of non-chordates and explain as to how they function.
Q6 (a) Explain the concept of neurosecretion and describe neurosecretory system in non-chordates. [8 marks]
(b) Only with the help of labelled diagrams describe the male and female reproductive organs of scorpion. (No description is required.)
7. Write short notes on any three of the following: [15 marks]
(a) Visual signals in nonchordates
(b) Blood fluke and its life cycle
(c) Prevention and control of Arthropod pests.
(d) Formation of Pearl.
Return to question paper search
and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.