Download SGBAU BSc 2019 Summer 1st Sem Zoology Life n Diversity Of Non Chordata Question Paper

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B.Sc. (Part-I) Semester—I Examination

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ZOOLOGY

(Life and Diversity of Non-Chordata)

Time : Three Hours] [Maximum Marks : 80

Note :— (1) All questions are compulsory.

(2) Question No. 1 carries 8 marks and remaining questions carry 12 marks each.

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(3) Draw well labelled diagrams wherever necessary.

1. (A) Fill in the blanks :
   1. Plasmodium belongs to the class __________
   2. The skeleton structure in scypha is in the form of __________
   3. The blood sucking habit of Leech is called as __________
   4. Tongue worm is the name of __________

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   (B) Choose the correct alternatives for the following statements :
   1. Free swimming larva of scypha is :
      1. Planula
      2. Amphiblastula
      3. Bipinnaria
      4. Trochophore

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   2. The cause of Liver rot in sheep is :
      1. Dugesia
      2. Fasciola
      3. Taenia
      4. Schistoma

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   3. Mouth parts of cockroach are :
      1. Cutting and chewing
      2. Sucking
      3. Piercing
      4. Biting

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   4. Bipinnaria is the larva of :
      1. Pila
      2. Limulus
      3. Sepia
      4. Star fish

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   (C) Write answer in one sentence :
   1. Name the vector for Leishmaniasis.
   2. What is hirudin ?
   3. What are the functions of water vascular system ?
   4. What is the common name of Pila ?

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2. Describe the following :
   1. Types of Malaria.
   2. Amoebiasis.
   3. Trapanosomiasis.
   OR
   1. Control of Malaria.
   2. Leishmaniasis.

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   3. Sporogony in Plasmodium.
3. Attempt the following :
   1. Describe types of cells found in sycon.
   2. General characters of phylum Coelentrata.
   3. Draw well labelled diagram of L.S. of Metridium.

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   OR
   1. Spicules in sycon
   2. Canal system in sycon (diagram only).
   3. Sexual reproduction in Metridium.
4. Describe the following :
   1. Male reproductive system of Ascaris.

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   2. Cercaria larva.
   3. Life cycle of Ascaris (diagram only).
   OR
   1. Female reproductive system of Ascaris
   2. Meracidium larva.
   3. Flame cell in Fasciola hepatica.

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5. Give an account of the digestive system of Leech. OR Describe respiratory system of Cockroach.
6. Attempt the following :
   1. Buccal mass of Pila.
   2. Ctenidium of Pila.
   3. Aboral surface of Star fish.

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   OR
   1. Madriporite of Star fish.
   2. Aerial respiration in Pila.
   3. Stone canal of Star fish.
7. Describe the structure of Brachiolaria larva and Trochophore larva and its significance. OR Describe the affinities of Balanoglossus with Chordata and Non-Chordata.

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