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 | December, 2015 | |
| City, State | new delhi, |
Question Paper
Answer the following in one sentence each:
How do you identify the female silkworm pupa
What is diapause
Classify the silkworm based on moultnism.
Name five mulberry bivoltine silkworm breeds.
What is Tetramoulters
Explain about different life stages of silkworm.
What is hygiene?
(viii) Why should we keep the rearing house away from thickly populated areas and livestock?
Name one commonly used disinfectants.
What is the percentage of the silk produced in India from the class-breed
What is moulting
What is the floor area required to rear 100 Dfls of silkworm in shoot rearing?
(xiii) What is Incubation?
Why non-mulberry silkworm rearing is done outdoors?
How many crops are taken in Muga culture?
Write short notes on any five in 3-4 sentences each:
Process of sheet egg brushing.
List out symptoms of under moult and out-of-moult larvae.
Suitable location for CRC.
Advantages of shoot rearing.
Process of brushing Tasar silkworm larvae.
Different methods of late age rearing in Eri.
Important machines used in mulberry silkworm rearing.
Fill in the blanks:
Blue egg stage is noticed on the day of incubation.
Bearing of young age silkworm is called rearing.
Piling up of rearing trays during chawki rearing is called rearing.
The shoot rearing is labour consuming method of late age rearing.
The appetite of the larva at the time of pre-moulting stage.
Ideal leaf moisture content for chawki rearing is
Scientific name of silkworm is Antheraea assama.
(viii) Antheraea proylei is a hybrid of A pernyi and
Jobarai is a method of
Ideal capacity of a rotary mountage is larvae.
Expenses incurred in production of mulberry is called as
Shell ratio percentage in multi X bi-hybrid ranges between to
(xiii) Quantity of green cocoons required to produce 1 kg of raw silk is called as
Reelability of thin shelled cocoon is
After completion of spinning the larva undergoes and
transforms into
Write "True" or "False"
Transfer of newly hatched larvae from the egg card to rearing bed is called brushing.
Leaf should be harvested in noon.
During moulting the worms requires high humidity.
Low incubation temperature causes delayed hatching.
Female pupae of silkworm weight more than male pupae.
Bottle brush is low-cost montage.
Muga silkworm produce silk of golden yellow lusture.
(viii) Daba and Sukinda are widely used for commercial Tasar cocoon production.
Defective cocoons improve the reeling performance and quality of silk.
Returns realized from sale of reeling wastes is a part of gross returns.
Answer any five in 5 sentences each:
What are diapause eggs?
Disadvantages of tray rearing.
Defective cocoons.
Bed disinfectants.
Care during mounting.
Silkworm rearing costs.
Late age rearing in oak Tasar.
Differentiate between the following:
Sheet and Loose silkworm eggs
Tray and shoot rearing
Bullock pair day and man day
Metamorphosis and moulting
Fixed and Variable costs
How do you identify the female silkworm pupa
What is diapause
Classify the silkworm based on moultnism.
Name five mulberry bivoltine silkworm breeds.
What is Tetramoulters
Explain about different life stages of silkworm.
What is hygiene?
(viii) Why should we keep the rearing house away from thickly populated areas and livestock?
Name one commonly used disinfectants.
What is the percentage of the silk produced in India from the class-breed
What is moulting
What is the floor area required to rear 100 Dfls of silkworm in shoot rearing?
(xiii) What is Incubation?
Why non-mulberry silkworm rearing is done outdoors?
How many crops are taken in Muga culture?
Write short notes on any five in 3-4 sentences each:
Process of sheet egg brushing.
List out symptoms of under moult and out-of-moult larvae.
Suitable location for CRC.
Advantages of shoot rearing.
Process of brushing Tasar silkworm larvae.
Different methods of late age rearing in Eri.
Important machines used in mulberry silkworm rearing.
Fill in the blanks:
Blue egg stage is noticed on the day of incubation.
Bearing of young age silkworm is called rearing.
Piling up of rearing trays during chawki rearing is called rearing.
The shoot rearing is labour consuming method of late age rearing.
The appetite of the larva at the time of pre-moulting stage.
Ideal leaf moisture content for chawki rearing is
Scientific name of silkworm is Antheraea assama.
(viii) Antheraea proylei is a hybrid of A pernyi and
Jobarai is a method of
Ideal capacity of a rotary mountage is larvae.
Expenses incurred in production of mulberry is called as
Shell ratio percentage in multi X bi-hybrid ranges between to
(xiii) Quantity of green cocoons required to produce 1 kg of raw silk is called as
Reelability of thin shelled cocoon is
After completion of spinning the larva undergoes and
transforms into
Write "True" or "False"
Transfer of newly hatched larvae from the egg card to rearing bed is called brushing.
Leaf should be harvested in noon.
During moulting the worms requires high humidity.
Low incubation temperature causes delayed hatching.
Female pupae of silkworm weight more than male pupae.
Bottle brush is low-cost montage.
Muga silkworm produce silk of golden yellow lusture.
(viii) Daba and Sukinda are widely used for commercial Tasar cocoon production.
Defective cocoons improve the reeling performance and quality of silk.
Returns realized from sale of reeling wastes is a part of gross returns.
Answer any five in 5 sentences each:
What are diapause eggs?
Disadvantages of tray rearing.
Defective cocoons.
Bed disinfectants.
Care during mounting.
Silkworm rearing costs.
Late age rearing in oak Tasar.
Differentiate between the following:
Sheet and Loose silkworm eggs
Tray and shoot rearing
Bullock pair day and man day
Metamorphosis and moulting
Fixed and Variable costs
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