Sericulture Extension Officer • 2022 • Technical Paper-III
Centrifuge has a head to carry four or eight tubes of 80cc capacity and having a speed of ________ .
A)
1000 rpm
B)
2000 rpm
C)
3000 rpm
D)
4000 rpm
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Moth crushing machine with 4 mixies having wet grinding blades, the speed of the mixies is ________ .
A)
15000 rpm
B)
16000 rpm
C)
8000 rpm
D)
10000 rpm
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Hot air oven to dry the moth at
A)
70°C + 5°C
B)
80°C + 5°C
C)
50°C + 5°C
D)
60°C + 5°C
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Maximum number of eggs is laid on the ________ day in muga grainage.
A)
first
B)
second
C)
third
D)
fourth
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The coupled moth are usually tied on the ________ with a string of thread and the coupled moth are left undisturbed.
A)
Dried branch
B)
egg-card
C)
Kharika
D)
Orika
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The egg nucleus undergoes meiotic division and rejects 3 polar bodies and the sperm nucleus unite with the egg nucleus and fertilization took place. This process takes place within ________ minutes of egg layings.
A)
30
B)
45
C)
50
D)
60
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
In Bivoltine, the survival rate is low in summer moth,thereby creating scarcity of ________ Component.
A)
Male
B)
Female
C)
Hybrid Seed
D)
Bivoltine & Multivoltine
Low summer survival in bivoltine causes scarcity of male moths for hybrid preparation.
Sericulture Extension Officer • 2022 • Technical Paper-III
LABEX contained ________ slaked lime and ________ bleaching powder.
A)
95% and 2% bleaching powder
B)
96% and 3% bleaching powder
C)
97% and 3% bleaching powder
D)
98% and 3% bleaching powder
Standard sericulture practice as per CSB manual.
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
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
Research institute in India have recommended the use of________ to check the incidence of grasserie, Flacherie and Muscardine.
A)
Resham keet oustad
B)
Resham keet oushadh
C)
Resham keet Astra
D)
Resham keet Mustad
CSB recommends Resham Keet Oushadh / Vijetha as bed disinfectant for grasserie, flacherie, muscardine.
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.
Sericulture Extension Officer • 2022 • Technical Paper-III
Bordeoux mixture ________ is generally used to control red rust disease in som plant.
A)
5 %
B)
1 %
C)
2 %
D)
3 %
Bordeaux mixture 1% commonly recommended for red rust in som plant.
Sericulture Extension Officer • 2022 • Technical Paper-III
Depending upon the season, moth emergence commence for ________ after spinning in muga.
A)
14 to 55 days
B)
55 to 60 days
C)
60 to 65 days
D)
65 to 70 days
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Whenever moth crushing machines are not available, double moth testing can be resorted to for________ hybrids.
A)
Bivoltine
B)
Multivoltine
C)
Indegenous
D)
Double hyrid
Double moth testing for bivoltine hybrids when crushing machine unavailable.
Sericulture Extension Officer • 2022 • Technical Paper-III
In Grainage, the male moths for re-use are preserved for a maximum period of ________ days at a temperature of 7°C – 10°C.
A)
2 to 3 days
B)
3 to 4 days
C)
4 to 5 days
D)
5 to 6 days
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
In muga, disease free layings produced after moth examination are dipped in 2% formalin for ________ for surface sterilisation.
A)
20 mins
B)
15 mins
C)
10 mins
D)
5 mins
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The application of LABEX in a rearing tray per square feet is ________ .
A)
3 - 4 grams
B)
4 - 5 grams
C)
5 - 6 grams
D)
1 - 2 grams
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The grainage work for processing 10,000 seeds cocoons can be conducted in a room of approximately ________ area in Muga.
A)
900 Sq. feet
B)
1000 Sq. feet
C)
1100 Sq. feet
D)
1200 Sq. feet
Approximately 900 sq ft room needed for processing 10000 Muga seed cocoons as per sericulture standards.
Sericulture Extension Officer • 2022 • Technical Paper-III
The muga Dfls so produced are transported during the
A)
Night
B)
Morning
C)
Under shade
D)
Cooler hours
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-II
Muscardine disease is caused by
A)
Microsporidiosis
B)
Virus
C)
Bacteria
D)
Fungi
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-II
Pebrine spores are easily recognised in a microscope under a magnification of
A)
300x400
B)
400x500
C)
500x600
D)
600x700
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-II
What is the first Sericultural Research station in India?
A)
Regional Sericulture Research Station, Bangalore
B)
International Centre for Training & Research in Tropical Sericulture, Mysore
C)
Central Sericultural Research & Training Institute, Mysore
D)
Central Tasar Research & Training Institute, Ranchi.
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-II
The colour of the newly hatched silkworm larva is
A)
White
B)
Red
C)
Black
D)
Purple
Standard sericulture practice as per CSB manual.