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, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 8 IBLPI-0031
CERTIFICATE IN SERICULTURE
Term-End Examination
OJ
o o June, 2016
BLPI-003 SILKWORM REARING
Time 2 hours Maximum Marks 50 Note: Answer any two questions out of three.
1. Answer the following in one sentence each: 15x1=15
What is moulting?
What is incubation
Classify the silkworm based on voltinism.
How do you identify the female silkworm larvae
Which are non-mulberry silk insects?
What is cross-breed
What contributes to the leaf quality
(viii) How much quantity of solution is required to disinfect 1 square meter of floor area of rearing house
Why a separate house is required for silkworm rearing
How much floor area is required to rear 100 Dfls of silkworm in tray rearing method
What is the ideal temperature and relative humidity required for chawki rearing? .
Which are the different types of mountages used in mulberry silkworm rearing
(xiii) What do you mean by sorting?
How many crops are taken in Muga culture?
What type of silk is obtained from double cocoons
Write short notes on any five: 5x2=10
Process of loose egg incubation
Jobarai method of mounting
Advantages of using machines in silkworm rearing
Larval protection methods observed in silkworm rearing
Characterstics features of late age silkworms
Characters of rearing house
Precautions to be taken during transportation of mulberry cocoons
2. Fill in the blanks: 15xl=15
Silkworm belongs to the family .
Rearing of silkworm for the production of raw silk is called .
The best orientation of the rearing house is direction.
Destruction of pathogens is called .
CSR2 x CSR4 is hybrid.
Mud pot is used for of silkworm eggs.
Relative humidity at the time of moulting shall be about .
(viii) Overcrowding of silkworms on mountage lead to cocoons.
Characters transmitted from parent to offspring is called .
Feather is used for of young silkworms.
The phenomenon of shedding old skin in silkworm called .
Tasar silkworm primarily feed on plants in the forest.
(xiii) Oak Tasar silkworm is completely domesticated in .
Dupion silk is produced from cocoons.
Mulberry leaves having protein is considered good for rearing.
Write "True" or "False" 10x1=10
Leaf should be harvested in noon.
Transfer of ripened worms from rearing bed to mountage is called mounting.
Hybrid yield, more than pure races.
The number of eggs per DFLs is commonly known as fecundity.
Castor leaf is food of mulberry silkworm.
During moulting, the silkworms require high humidity.
Enlarging the bed area of silkworm corresponding to their growth is called spacing.
(viii) Improper ventilation is better for late age rearing.
Ante-room is constructed in front of the rearing house to protect from silkworm diseases.
Fixed costs does not vary according to the level of production.
3. Answer any five in 5 sentences each: 5x3=15
Advantages of loose silkworm eggs.
Different mounting methods, adopted in mulberry silkworm rearing.
Significance of sorting the cocoons.
Care to be taken during transportation of mulberry cocoons.
Different methods of late age rearing in Eri.
Types of Oak Tasar silkworm rearing.
Break-even point.
Differentiate between following: 5x2=10
Fixed and variable costs
Diapause and non-diapause silkworm eggs
Univoltine and Bivoltine
Cocoon sorting and Cocoon assessment
Moulting and mounting
CERTIFICATE IN SERICULTURE
Term-End Examination
OJ
o o June, 2016
BLPI-003 SILKWORM REARING
Time 2 hours Maximum Marks 50 Note: Answer any two questions out of three.
1. Answer the following in one sentence each: 15x1=15
What is moulting?
What is incubation
Classify the silkworm based on voltinism.
How do you identify the female silkworm larvae
Which are non-mulberry silk insects?
What is cross-breed
What contributes to the leaf quality
(viii) How much quantity of solution is required to disinfect 1 square meter of floor area of rearing house
Why a separate house is required for silkworm rearing
How much floor area is required to rear 100 Dfls of silkworm in tray rearing method
What is the ideal temperature and relative humidity required for chawki rearing? .
Which are the different types of mountages used in mulberry silkworm rearing
(xiii) What do you mean by sorting?
How many crops are taken in Muga culture?
What type of silk is obtained from double cocoons
Write short notes on any five: 5x2=10
Process of loose egg incubation
Jobarai method of mounting
Advantages of using machines in silkworm rearing
Larval protection methods observed in silkworm rearing
Characterstics features of late age silkworms
Characters of rearing house
Precautions to be taken during transportation of mulberry cocoons
2. Fill in the blanks: 15xl=15
Silkworm belongs to the family .
Rearing of silkworm for the production of raw silk is called .
The best orientation of the rearing house is direction.
Destruction of pathogens is called .
CSR2 x CSR4 is hybrid.
Mud pot is used for of silkworm eggs.
Relative humidity at the time of moulting shall be about .
(viii) Overcrowding of silkworms on mountage lead to cocoons.
Characters transmitted from parent to offspring is called .
Feather is used for of young silkworms.
The phenomenon of shedding old skin in silkworm called .
Tasar silkworm primarily feed on plants in the forest.
(xiii) Oak Tasar silkworm is completely domesticated in .
Dupion silk is produced from cocoons.
Mulberry leaves having protein is considered good for rearing.
Write "True" or "False" 10x1=10
Leaf should be harvested in noon.
Transfer of ripened worms from rearing bed to mountage is called mounting.
Hybrid yield, more than pure races.
The number of eggs per DFLs is commonly known as fecundity.
Castor leaf is food of mulberry silkworm.
During moulting, the silkworms require high humidity.
Enlarging the bed area of silkworm corresponding to their growth is called spacing.
(viii) Improper ventilation is better for late age rearing.
Ante-room is constructed in front of the rearing house to protect from silkworm diseases.
Fixed costs does not vary according to the level of production.
3. Answer any five in 5 sentences each: 5x3=15
Advantages of loose silkworm eggs.
Different mounting methods, adopted in mulberry silkworm rearing.
Significance of sorting the cocoons.
Care to be taken during transportation of mulberry cocoons.
Different methods of late age rearing in Eri.
Types of Oak Tasar silkworm rearing.
Break-even point.
Differentiate between following: 5x2=10
Fixed and variable costs
Diapause and non-diapause silkworm eggs
Univoltine and Bivoltine
Cocoon sorting and Cocoon assessment
Moulting and mounting
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