Sericulture Extension Officer • 2022 • Technical Paper-III
For microscopic examination of mother moth, 1 to 2 drops of ________ potassium hydroxide is used.
A)
5%
B)
4%
C)
3%
D)
2%
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
“Asthra” a disinfectant for rearing house and equipment is used in ________ solution.
A)
5%
B)
3%
C)
0.05%
D)
0.5%
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Out of the 4(four) hybrid mulberry dfls ________ is multivoltine races .
A)
Sk6
B)
J11 2
C)
Dun 22
D)
None of the above
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The temperature and humidity required for young age silkworm (1st to 3rd instant mulberry) are
A)
23°C – 25°C and 70 to 80% R.H
B)
24°C – 26°C and 60 to 70% R.H
C)
26°C – 28°C and 80 to 90% R.H
D)
28°C – 30°C and 70 to 80% R.H
Young age (chawki) requires higher temp 26-28°C and high RH 80-90%.
Sericulture Extension Officer • 2022 • Technical Paper-III
In hot acid treatment of bivoltine eggs are dipped in HCL having a specific gravity of ________ at normal temperature of 25°C can be safely used.
A)
1.0365 to 1.0462
B)
1.0526 to 1.0612
C)
1.6439 to 1.6621
D)
1.071 to 1.076
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The disease free layings/seeds so collected are soaked in ________ solution for 5 minutes to prevent contamination of germs on the egg shell etc.
A)
5% bleaching powder
B)
2% hypochlorite
C)
3% bleaching powder
D)
2% formaldehyde
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
A salt solution of specific gravity of ________ at room temperature is used to separate fertilised and dead eggs with low specific gravity in loose egg preparation of mulberry.
A)
1.07
B)
1.08
C)
1.09
D)
1.10
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Seed cocoon of muga should be released from cold storage by gradually increasing the temperature from ________ to________ .
A)
2°C to 4°C
B)
5°C to 10°C
C)
6°C to 8°C
D)
5°C to 15°C
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
A cyclo mixer to shake the ________ for a homogenised fluid.
A)
Sodium hypochlorite
B)
Potassium hydroxide
C)
Analoque
D)
Sediments
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
The causal organism of leaf galls in soalu plant is ________ .
A)
Pauropsylla niteria
B)
Halyomorpha halys
C)
Pauropsylla beesoni
D)
Pauropsylla trichopria
Leaf galls in soalu (Litsea) caused by Pauropsylla beesoni.
Sericulture Extension Officer • 2022 • Technical Paper-III
An area of 20 ft × 15 ft (i.e 300 Sq. ft or 28 Sq.m), the total quantity of 5% bleaching powder and 0.3 slaked lime solution required to disinfect with rearing equipment is estimated to be ________ .
A)
100 litres
B)
70 litres
C)
73 litres
D)
76 litres
300 sq ft disinfection requires ~73 litres 5% bleaching powder + slaked lime solution.
Sericulture Extension Officer • 2022 • Technical Paper-III
Mortar and pestle are used to crushed and grind the another moth for ________ detection.
A)
Pebrine
B)
Muscardine
C)
CPV
D)
NPV
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
In muga egg laying continued to 5 to 6 days but the eggs laid upto ________ days are considered for rearing.
A)
2
B)
3
C)
4
D)
5
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Hybrid seed production is conducted at
A)
P1 Multiplication Centre
B)
P2 Multiplication Centre
C)
P3 Multiplication Centre
D)
Grainage Centre
Hybrid DFL production is done at licensed Grainage Centre; P1/P2/P3 are multiplication levels.
Sericulture Extension Officer • 2022 • Technical Paper-III
Uzi fly (Exorista sorbillans) is known as
A)
Madhu makhi
B)
Kunji makhi
C)
Resham makhi
D)
Kira makhi
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Disinfection of rearing house in mulberry sericulture is done with 5% bleaching powder or ________.
A)
Slaked lime
B)
RKO
C)
Asthra
D)
7% formaldehyde
Mulberry rearing house disinfection: 5% bleaching powder or slaked lime (0.3%) / formalin alternative.
Sericulture Extension Officer • 2022 • Technical Paper-III
The sufficient duration of coupling in muga is
A)
4 to 6 hours
B)
3 to 5 hours
C)
5 to 7 hours
D)
Whole night
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
A kilogram of bivoltine Cocoon yield about ________ of Silkworm eggs.
A)
55 gms.
B)
45 gms.
C)
35 gms.
D)
25 gms.
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
In mulberry silkworm hybrid multivoltinex Bivoltine will produced________ races.
A)
Multivoltine
B)
Bivoltine
C)
Univoltine
D)
Mixed voltine
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
To produce 50 litres of 5% bleaching and 0.3% slaked lime we need ________ bleaching powder and ________ slaked lime.
A)
5 kgs and 0.300 kg
B)
2.50 kgs and 0.150 kg
C)
0.25 kg and 0.015 kg
D)
0.50 kg and 0.030 kg
5% of 50L =2.5kg bleaching, 0.3% of 50L =0.15kg slaked lime by calculation.
Sericulture Extension Officer • 2022 • Technical Paper-III
________ nos of moth examination tables are required for production of 15 lakhs nos Dfls/Annum.
A)
20
B)
15
C)
5
D)
10
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
In hot acid treatment of bivoltine eggs are dipped in hydrochloric acid having a specific gravity of 1.0642 at ________ .
A)
440C
B)
450C
C)
460C
D)
470C
Standard sericulture practice as per CSB manual.
Sericulture Extension Officer • 2022 • Technical Paper-III
Uzi fly (Thorang) lays about ________ eggs on silk worm larvae.
A)
5
B)
10
C)
20
D)
30
Uzi fly (Thorang) lays 1-2 eggs per larva, question among low options expects 5 as minimal cluster; total fecundity 300-1000.
Sericulture Extension Officer • 2022 • Technical Paper-III
The major parasites of muga silkworm are uzifly and ________ .
A)
Exorista sorbillans
B)
Apanteles glomeratus
C)
Nesolynx thymus
D)
Spilomicrus karnatakensis
Literature lists major parasitoids of muga as Uzi-fly Exorista sorbillans and Apanteles glomeratus.
Sericulture Extension Officer • 2022 • Technical Paper-III
________ nos of celluler is required to produced 15 lakhs Dfls/Annum for grainages of mulberry dfls.
A)
4,00,000
B)
3,00,000
C)
2,00,000
D)
1,00,000
Standard sericulture practice as per CSB manual.
