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[Total No. of Questions : 15]
[Total No. of Printed Pages : 05]
[Total No. of Printed Pages : 05]
RJ-119
B.Sc. B.Ed. (Secondary) Examination, 2024
(First Semester)
DC-I : ZOOLOGY-NON-CHORDATES-I
(Protists To Pseudocoelomates)
Time : 3 Hours]
[Maximum Marks : 60]
Note : Attempt the questions according to instructions in each Section.
Section A
Note : All questions are compulsory. Each question carries 1 mark.
1x5=5
1.
Macronucleus and micronucleus both are present in :
- Ameba
- Paramecium
- Obelia
- None of the above
2.
Ascaris lumbricoides also called as :
- Roundworms
- Silkworm
- Filarial worm
- None of the above
3.
Fasciola hepatica is also called :
- Tapeworm
- Common liver fluke
- Obelia
- None of the above
4.
Existence of more than one form of organism is called :
- Polymorphism
- Metagenesis
- Metamerism
- None of the above
5.
Metagenesis is :
- Alternation of generation
- Formation of metazoans
- Degeneration of tissues
- None of the above
Section B
Note : Attempt all questions. Each question carries 3 marks.
3x5=15
1.
What are Spicules and what is their importance in Porifera ?
Or
Write a note on canal system in Sponges.
2.
Write a short note on evolution of symmetry in Metazoans.
Or
Write a short note on segmentation in Metazoans.
3.
How is pathogenicity caused by Fasciola hepatica ?
Or
Describe life-cycle of Taenia solium.
4.
What are general characteristics of Cnidarians ? Write with examples.
5.
Write on how parasitic adaptation occurs in helminthes ?
Section C
Note : Attempt all questions. Each question carries 8 marks.
8x5=40
1.
Life-cycle and pathogenicity of Ascaris lumbricoides.
Or
Write on life-cycle and pathogenicity of Wuchereria bancrofti.
2.
Explain the life cycle and pathogenicity of Plasmodium Vivax.
Or
Write about the detailed study of Paramecium.
3.
Write a note on canal system in Sponges.
Or
What are general characteristics of porifera ? Describe up to classes with examples.
4.
Give general characteristics of Platyhelminthes with examples.
Or
Write on life-cycle and pathogenicity of Taenia solium.
5.
Give a detailed overview of polymorphism in Cnidarians with examples.
Or
General characteristics of Cnidarians and metagenesis in Obelia.