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 | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 8 ILSE-091
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
June, 2016 1"-LIFE SCIENCE
LSE-09 ANIMAL DIVERSITY-I
Time: 3 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 State whether the following statements are True(T) or False(F): 4x1=4 All the neurons are neurosecretory.
(ii) The epidermal covering over the visceral mass of molluscs is called mantle.
(iii) Corals belong to class Anthozoa of phylum Cnidaria.
(iv) Honey is produced by the insect Bombyx mori. Fill in the blanks 4x1=4 The environmental stimulus which sets the biological clock is called .
(ii) Evisceration followed by regeneration of lost viscera generally occurs in among echinoderms.
(iii) All chordates including human beings have germ layers.
(iv) Organs that serve the same function but have different origin, are called Differentiate between the following: 2x2=4 Open and Closed circulatory systems
(ii) Prokaryotes and Eukaryotes Match the following:
ColumnA ColumnB Book lungs (a) Earthworms
(ii) Pearl (b) Cnidaria
(iii) Planula larva Scorpions
(iv) Negative Phototaxis Mollusca
Bipinnaria larva House fly
(vi) Cholera (f) Echinodermata
2. Describe the different modes of nutrition in Protozoa. 4
Explain the process of conjugation in Paramecium with the help of suitable diagrams. 6
Which parasitic protozoan causes malaria? Explain its life-cycle with suitable diagrams. 5
3. How do the members of class Gastropoda differ from other molluscs? 7
Describe the modifications of foot for creeping and swimming in Mollusca. 8
4. What is adaptive radiation? Discuss its significance in evolution. 7
Explain the adaptive radiations in Polychaeta with regard to locomotion and habitation. 8
5. Describe polymorphism in Siphonophora with the help of suitable diagrams. 10
Explain the difference between neural coorlination and endocrine coordination. 5
6. Write short notes on any three of the following: 3x5=15 Sensory receptors Parthenogenesis Respiratory pigments Pests of rice or sugarcane
7. Draw neat well-labelled diagram of any three of the following: 3x5=15 Mouth parts of cockroach Polymorphic forms of termite Digestive system of Leech Statocyst of Mollusc
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
June, 2016 1"-LIFE SCIENCE
LSE-09 ANIMAL DIVERSITY-I
Time: 3 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 State whether the following statements are True(T) or False(F): 4x1=4 All the neurons are neurosecretory.
(ii) The epidermal covering over the visceral mass of molluscs is called mantle.
(iii) Corals belong to class Anthozoa of phylum Cnidaria.
(iv) Honey is produced by the insect Bombyx mori. Fill in the blanks 4x1=4 The environmental stimulus which sets the biological clock is called .
(ii) Evisceration followed by regeneration of lost viscera generally occurs in among echinoderms.
(iii) All chordates including human beings have germ layers.
(iv) Organs that serve the same function but have different origin, are called Differentiate between the following: 2x2=4 Open and Closed circulatory systems
(ii) Prokaryotes and Eukaryotes Match the following:
ColumnA ColumnB Book lungs (a) Earthworms
(ii) Pearl (b) Cnidaria
(iii) Planula larva Scorpions
(iv) Negative Phototaxis Mollusca
Bipinnaria larva House fly
(vi) Cholera (f) Echinodermata
2. Describe the different modes of nutrition in Protozoa. 4
Explain the process of conjugation in Paramecium with the help of suitable diagrams. 6
Which parasitic protozoan causes malaria? Explain its life-cycle with suitable diagrams. 5
3. How do the members of class Gastropoda differ from other molluscs? 7
Describe the modifications of foot for creeping and swimming in Mollusca. 8
4. What is adaptive radiation? Discuss its significance in evolution. 7
Explain the adaptive radiations in Polychaeta with regard to locomotion and habitation. 8
5. Describe polymorphism in Siphonophora with the help of suitable diagrams. 10
Explain the difference between neural coorlination and endocrine coordination. 5
6. Write short notes on any three of the following: 3x5=15 Sensory receptors Parthenogenesis Respiratory pigments Pests of rice or sugarcane
7. Draw neat well-labelled diagram of any three of the following: 3x5=15 Mouth parts of cockroach Polymorphic forms of termite Digestive system of Leech Statocyst of Mollusc
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
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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