Exam Details
| Subject | Silkworm Rearing | |
| Paper | ||
| Exam / Course | Certificate in Sericulture | |
| Department | School of Agriculture (SOA) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2015 | |
| City, State | new delhi, |
Question Paper
1. Explain any five of the following:
Non-diapause eggs
Metamorphosis
Characteristics ofRearing house
Mounting hall
Black boxing
Transportation of chawki worms
2. Differentiate between the following:
Male and Female Mulberry silkworm larvae
Tray rearing and Shelfrearing
Recurring cost and Non-Recurring cost
Muga and Eri silkworm
Hatching percentage and Brushing percentage
3. Answer the following:
What is hygiene and how do you ensure it
How do you estimate mulberry leaf yield
4. Write True or False.
North-South orientation of Rearing house is desirable.
Bleaching powder is a good disinfectant for open-type rearing houses.
Eri silkworms are domesticated worms.
Muga rearing is done outdoors.
Arjun and Asan are the major food plants of tropical tasar silkworm.
Pupa metamorphoses into moth.
Use of machinery in sericulture saves time and labour.
Transportation of eggs can be done at any time of the day.
Opportunity cost is an item In cost of production.
Eri feeds on castor leaf.
How do you calculate the required disinfectant solution concentration?
How does kerosene operated incubation help in oak tasar rearing?
How do you calculate the moisture content of the leaf?
How do you calculate the defective cocoon percentage in a lot?
What are Multi-Bihybrids
6. Fill in the blanks.
Male pupa is identified with its small size and abdomen.
Single race organisms are called
Place where silkworms are reared is called
Optimum temperature required for chawki rearing is
Process of larvae piercing through the hole in egg shell is called
The protective membrane on the embryo in the egg is called
leafis fed to chawki worms.
moult is the shortest.
Nesolynx thymus is commonly called
Flame Gun is used for in rearing houses.
7. Match the following:
A B
Grasserie Transfer of Muga wonn
Mummification Oak Tasar Rearing
Antherea assama Three life cycles
Insecticidal chalk Eri silkwonn
Shorea robusta Disinfectant
Poly tunnel Sal
Chaloni Lakshman Rekha
Samia ricini (viii) Milky white fluid
Fonnalin Muga silkwonn
Trivoltine Muscardine
8. List the different types of mountages used for spinning of cocoons. Explain anyone in detail.
Non-diapause eggs
Metamorphosis
Characteristics ofRearing house
Mounting hall
Black boxing
Transportation of chawki worms
2. Differentiate between the following:
Male and Female Mulberry silkworm larvae
Tray rearing and Shelfrearing
Recurring cost and Non-Recurring cost
Muga and Eri silkworm
Hatching percentage and Brushing percentage
3. Answer the following:
What is hygiene and how do you ensure it
How do you estimate mulberry leaf yield
4. Write True or False.
North-South orientation of Rearing house is desirable.
Bleaching powder is a good disinfectant for open-type rearing houses.
Eri silkworms are domesticated worms.
Muga rearing is done outdoors.
Arjun and Asan are the major food plants of tropical tasar silkworm.
Pupa metamorphoses into moth.
Use of machinery in sericulture saves time and labour.
Transportation of eggs can be done at any time of the day.
Opportunity cost is an item In cost of production.
Eri feeds on castor leaf.
How do you calculate the required disinfectant solution concentration?
How does kerosene operated incubation help in oak tasar rearing?
How do you calculate the moisture content of the leaf?
How do you calculate the defective cocoon percentage in a lot?
What are Multi-Bihybrids
6. Fill in the blanks.
Male pupa is identified with its small size and abdomen.
Single race organisms are called
Place where silkworms are reared is called
Optimum temperature required for chawki rearing is
Process of larvae piercing through the hole in egg shell is called
The protective membrane on the embryo in the egg is called
leafis fed to chawki worms.
moult is the shortest.
Nesolynx thymus is commonly called
Flame Gun is used for in rearing houses.
7. Match the following:
A B
Grasserie Transfer of Muga wonn
Mummification Oak Tasar Rearing
Antherea assama Three life cycles
Insecticidal chalk Eri silkwonn
Shorea robusta Disinfectant
Poly tunnel Sal
Chaloni Lakshman Rekha
Samia ricini (viii) Milky white fluid
Fonnalin Muga silkwonn
Trivoltine Muscardine
8. List the different types of mountages used for spinning of cocoons. Explain anyone in detail.
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)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Crop Protection
- Host Plant Cultivation
- Introduction To Sericulture
- Silkworm Rearing