Sericulture Extension Officer • 2022 • Technical Paper-IV

Cocoon cooking is to remove __________ present on the Silk filament.

A) Fibroin
B) Floss
C) Sericin
D) Colour
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

__________ state is now regarded as the Silk Bowl of India.

A) Assam
B) West Bengal
C) Jammu & Kashmir
D) Karnataka
Karnataka is regarded as Silk Bowl of India (largest mulberry silk production).
Sericulture Extension Officer • 2022 • Technical Paper-IV

Acetic Acid and Sodium Sulphate are used for

A) Acid treatment of silkworm eggs
B) Silk dyeing
C) Cocoon cooking
D) Moth examination
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Oak Tasar rearing alternate can be done by

A) Bush rearing
B) Bottle rearing
C) Branch rearing
D) Outdoor rearing
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

The existing price of Muga Silk Yarn per kg. in Mizoram is

A) Rs. 10000.00
B) Rs. 9000.00
C) Rs. 14000.00
D) Rs. 15000.00
Muga silk, known as the 'Golden Silk' of Assam, is one of the rarest and most expensive silks in the world due to its natural golden luster and the specific environmental conditions required for the Antheraea assamensis silkworm. In the context of Sericulture Economics for technical examinations in the region, the market value of high-quality Muga silk yarn is significantly higher than Mulberry or Eri silk. Based on the standard pricing benchmarks used in Sericulture Departmental examinations for the 2022 cycle, the existing price for Muga Silk Yarn per kg is recognized as Rs. 15,000.00. Options a, b, and c represent lower price points that do not align with the premium market value of authentic Muga silk yarn.
Sericulture Extension Officer • 2022 • Technical Paper-IV

For production of 1 kg. of Muga Raw Silk, __________ are required.

A) 4500-5500 cocoons
B) 1500-1550 cocoons
C) 450-550 cocoons
D) 1200-1300 cocoons
4500-5500 Muga cocoons needed for 1 kg raw silk.
Sericulture Extension Officer • 2022 • Technical Paper-IV

The extension activites are carried out by Central Silk Board (CSB) in Mizoram through __________.

A) RSRS
B) SSPC
C) TSC
D) REC
The Central Silk Board (CSB), a statutory body under the Ministry of Textiles, Government of India, implements its extension activities in various states, including Mizoram, through Training and Support Centres (TSCs). These TSCs act as the primary interface for providing technical guidance, training, and support to sericulture farmers and stakeholders at the grassroots level to improve productivity and quality in silk production. Breakdown of options: - RSRS: Not a standard administrative unit for CSB extension. - SSPC: Not the designated extension wing for CSB in this context. - TSC (Training and Support Centre): The correct mechanism used by CSB for extension and capacity building in the North Eastern Region (NER) and other states. - REC: Usually refers to Rural Electrification Corporation or similar entities, unrelated to sericulture extension.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Prolonged cooking of Multivoltine is __________ for economics of reeling.

A) Good
B) Bad
C) Average
D) None of the above
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

__________ types of cocoons are available in Mizoram.

A) Two
B) Three
C) Five
D) Four
In the context of sericulture in Mizoram, the state primarily focuses on two main types of silk production based on the species of silkworms reared. These are: 1. Mulberry silk (Bombyx mori), which is the most common commercial silk, and 2. Eri silk (Samia ricini), which is well-suited to the local climate and traditional weaving practices of the region. While other silks like Muga or Tasar exist globally, the operational and available cocoon types promoted and produced within the Mizoram Sericulture Department's framework are primarily these two. Therefore, 'Two' is the correct answer.
Sericulture Extension Officer • 2022 • Technical Paper-IV

The raw silk produced in country Charkha is of inferior quality than Multi-End Reeling Machine.

A) True
B) False
C) Partly Correct
D) None of these
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

__________ is a decision to make full use of a new idea, practices or technology in the best course of action.

A) Diffusion
B) Adoption
C) Innovation
D) Planning
Adoption is defined as decision to make full use of new idea/practice; innovation is the new idea itself.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Cultivation of Mulberry in 90 × 90 cm spacing of S. Cost benefit ratio is

A) 1 : 2
B) 1 : 3
C) 1 : 4
D) 1 : 5
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Doubled cocoon are suitable for reeling purposes.

A) Correct
B) Incorrect
C) Partly Correct
D) None ot these.
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

In the three pan cooking, the three basins are filled with water and the temperature set at __________ in the first and last pan.

A) 60oC – 65oC
B) 70oC – 80oC
C) 50oC – 55oC
D) 90oC – 95oC
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Extension works must be based on the needs and interest of the people.

A) Correct
B) Incorrect
C) Partly Correct
D) None of these
Core principle of extension: must be based on people's needs and interests - Correct.
Sericulture Extension Officer • 2022 • Technical Paper-IV

__________ Cocoons are best suited for Automatic Reeling Machine (ARM).

A) Multivoltine
B) Univoltine
C) Hybrid
D) Bivoltine
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

The operation of unwinding of Silk filaments/bave from the cocoon is called

A) Stifling
B) Reeling
C) Cooking
D) Denier
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Doubling bobbins in twisting rotate in the speed of

A) 5000 – 8000 rpm.
B) 8000 – 10000 rpm.
C) 10000 – 12000 rpm.
D) 10000 – 15000 rpm.
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Research Extension Centre (REC) in Mizoram is under

A) CSB
B) State Government
C) District
D) None of these
In the context of Sericulture administration in India and specifically in Mizoram, the Research Extension Centres (RECs) are established and managed by the Central Silk Board (CSB). The CSB is a statutory body under the Ministry of Textiles, Government of India. While the State Government (Department of Sericulture) handles the implementation and extension of sericulture activities at the grassroots level, the technical research, training, and specialized extension support provided through the RECs are funded and administered by the CSB to ensure standardized research and development across different agro-climatic zones of the country.
Sericulture Extension Officer • 2022 • Technical Paper-IV

Eri Silk Development Project in Mizoram under Silk Samagra – 2 is launched by __________, Member Secretary, CSB on 14.06.2022.

A) Shri. Rahmahtulla
B) Shri. JC Deka
C) Shri. Moncy Issac
D) Shri. RR Okhandiar
The Eri Silk Development Project in Mizoram, implemented under the 'Silk Samagra-2' scheme of the Central Silk Board (CSB), was officially launched on June 14, 2022. The launch event was presided over by Shri. Moncy Issac, who served as the Member Secretary of the Central Silk Board. The project aims to promote the cultivation of Eri silkworms and the production of Eri silk in Mizoram to enhance rural livelihoods and utilize the state's favorable climatic conditions for sericulture. Options a, b, and d refer to other officials or individuals not associated with the Member Secretary position of CSB during this specific launch event.
Sericulture Extension Officer • 2022 • Technical Paper-IV

1 gm. Of Eri seed is considered as __________ of dfl’s.

A) 1 dfl’s
B) 2 dfl’s
C) 3 dfl’s
D) 4 dfl’s
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III

100 disease free layings of bivoltine pure race require about ________ of mulberry leaves.

A) 700 kgs
B) 800 kgs
C) 900 kgs
D) 1000 kgs
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III

Rearing house disinfection is done ________ days before rearing is conducted.

A) 1 to 2 days
B) 2 to 3 days
C) 3 to 4 days
D) 4 to 5 days
Rearing house disinfection done 3-4 days before rearing for effectiveness and drying.
Sericulture Extension Officer • 2022 • Technical Paper-III

In low temperature treatment of muga cocoons, the preservation chamber of cold storage should be reduce to 200C after ________ from room temperature preservation.

A) 2 hours
B) 4 hours
C) 8 hours
D) 12 hours
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III

In fumigation process of muga grainage hall, after 48 hrs of formalin spray, ________ commercial formaldehyde should be boiled inside the grainage hall Air tight.

A) 2% to 5%
B) 10% to 15%
C) 20% to 30%
D) 35% to 40%
Standard sericulture practice as per CSB manual.