Exam Details
| Subject | Animal Diversity-I | |
| Paper | ||
| Exam / Course | Bachelor Degree Programme (Elective Course: Life Science) | |
| Department | School of Sciences (SOS) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 8 ILSE-091
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
December, 2016
00564
LIFE SCIENCE
LSE-09: ANIMAL DIVERSITY-I
Time hours Maximum Marks 75
Note: Question no. 1 is compulsory. Attempt any four questions from questions no. 2 to 7. Marks for each question are indicated against it.
1. Attempt all parts:
Fill in the blanks 4x1=4
Complex chewing organ present in sea urchins is called .
are the respiratory structures of insects.
Ctenophores show symmetry.
In gastropods, complete torsion involves twisting of visceral mass at an angle of degree.
State whether the following statements are True or False 4x1=4
In most crustaceous, head and thorax fuse to form cephalothorax.
The sponge body is covered by epithelium made up of choanocytes.
Gastropods use radula for rasping the food.
In insects, nephridia are the main excretory organs.
Differentiate between the following: 2x2=4
Sensory and Motor neurons
Oviparous and Viviparous animals
Choose the correct alternative from those given in parentheses 3x1=3
Development of only females from the unfertilized eggs is called (arrhenotoky/thelytoky).
Formation of gemmules is a mode of asexual reproduction in (cnidarians/sponges).
Yellow fever is transmitted by the mosquito species of the genus (Aedes Culex).
2. Explain the Five Kingdom Classification Scheme of Whittaker in brief. 7
Discuss how the multicellular animals are grouped into different categories on the basis of coelom. 8
3. Describe the characteristic features of Phylum Annelida. 5
Discuss the process of feeding and digestion in Leeches. 5
Explain the difference between apposition eye and superposition eye of arthropods with suitable diagrams. 5
4. What is polymorphism Explain polymorphism in context with social organisation in termites. 10
Differentiate between open and closed circulatory systems. 5
5. Discuss the adaptations in Platyhelminthes that help them in leading a successful parasitic life. 8
Give the common and scientific name of a digenean parasite. Explain its life-cycle with suitable diagrams. 7
6. Describe the structure and functions of water vascular system in starfish with the help of a suitable diagram. 10
Describe the different modes of sexual reproduction in protozoa. 5
7. Write short notes on any three of the following:
Usefulness of non-chordates in agriculture
Epitoky
Respiratory pigments
Asexual reproduction -types and significance
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
December, 2016
00564
LIFE SCIENCE
LSE-09: ANIMAL DIVERSITY-I
Time hours Maximum Marks 75
Note: Question no. 1 is compulsory. Attempt any four questions from questions no. 2 to 7. Marks for each question are indicated against it.
1. Attempt all parts:
Fill in the blanks 4x1=4
Complex chewing organ present in sea urchins is called .
are the respiratory structures of insects.
Ctenophores show symmetry.
In gastropods, complete torsion involves twisting of visceral mass at an angle of degree.
State whether the following statements are True or False 4x1=4
In most crustaceous, head and thorax fuse to form cephalothorax.
The sponge body is covered by epithelium made up of choanocytes.
Gastropods use radula for rasping the food.
In insects, nephridia are the main excretory organs.
Differentiate between the following: 2x2=4
Sensory and Motor neurons
Oviparous and Viviparous animals
Choose the correct alternative from those given in parentheses 3x1=3
Development of only females from the unfertilized eggs is called (arrhenotoky/thelytoky).
Formation of gemmules is a mode of asexual reproduction in (cnidarians/sponges).
Yellow fever is transmitted by the mosquito species of the genus (Aedes Culex).
2. Explain the Five Kingdom Classification Scheme of Whittaker in brief. 7
Discuss how the multicellular animals are grouped into different categories on the basis of coelom. 8
3. Describe the characteristic features of Phylum Annelida. 5
Discuss the process of feeding and digestion in Leeches. 5
Explain the difference between apposition eye and superposition eye of arthropods with suitable diagrams. 5
4. What is polymorphism Explain polymorphism in context with social organisation in termites. 10
Differentiate between open and closed circulatory systems. 5
5. Discuss the adaptations in Platyhelminthes that help them in leading a successful parasitic life. 8
Give the common and scientific name of a digenean parasite. Explain its life-cycle with suitable diagrams. 7
6. Describe the structure and functions of water vascular system in starfish with the help of a suitable diagram. 10
Describe the different modes of sexual reproduction in protozoa. 5
7. Write short notes on any three of the following:
Usefulness of non-chordates in agriculture
Epitoky
Respiratory pigments
Asexual reproduction -types and significance
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
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- School of Continuing Education (SOCE)
- School of Education (SOE)
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Subjects
- Animal Diversity- II
- Animal Diversity-I
- Cell Biology
- Developmental Biology
- Ecology
- Electric & Magnetic Phenomena
- Genetics
- Mathematical Methods in Physics-I
- Mathematical Methods In Physics-II
- Optics
- Oscillations And Waves
- Physiology
- Plant Diversity-I
- Taxonomy and Evolution
- Thermodynamics & Statistical Mechanics