Sericulture Extension Officer • 2018 • Paper-II
How many plastic tray are required for rearing of 100 dfls of mulberry silkworm eggs?
A)
120
B)
150
C)
80
D)
100
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
In Oak Tasar culture, worms are reared in indoor for
A)
5-10 days
B)
10 days
C)
10-12 days
D)
None of these
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
In the process of Soupling the gum removal percentage is
A)
10-15%
B)
20-25%
C)
2-5%
D)
15-20%
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The total life span of Eri silkworm is
A)
50 days
B)
50-120 days
C)
30-35 days
D)
50-55 days
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The fibroin composition in mulberry raw silk is
A)
20-30%
B)
70-80%
C)
40-50%
D)
35-55%
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The larval stage of Bombyx mori passes through _________ number of moults before spinning of cocoons
A)
Three
B)
Four
C)
Five
D)
None of these
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Which silkworm produces open end cocoon
A)
Muga silkworm
B)
Mulberry silkworm
C)
Eri silkworm
D)
Tasar silkworm
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
One of the popular oxidising agents used for bleaching of silk is
A)
Sulphur dioxide
B)
Sodium hypochlorite
C)
Hydrogen peroxide
D)
Bleaching powder
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Female cocoon colour of sex limited breed CSR8 is
A)
White
B)
Yellow
C)
Green
D)
Pink
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Analytical technique used to detect specific proteins in a given sample tissue homogenate
A)
Western blotting
B)
Northern blotting
C)
Southern blotting
D)
Agarose gel electrophoresis
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Jhali is used for _____________ of muga silkworm.
A)
Transfer of worms
B)
Mounting
C)
Egg laying
D)
Bed cleaning
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
A silkworm completes spinning of cocoon within
A)
2-3 days
B)
5-6 days
C)
4-5 days
D)
1-2 days
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
What is the best method of late age rearing
A)
Box rearing
B)
Shoot rearing
C)
Stand rearing
D)
All of these
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The larval duration of Oak Tasar silkworm is
A)
30-35 days
B)
10-11 days
C)
20-25 days
D)
40 days
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Number of grainage centres in Mizoram is
A)
8
B)
9
C)
2
D)
4
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Silkworm settle for first moults in _____________ from the date of brushing
A)
4 days
B)
2 days
C)
3 days
D)
4-5 days
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Calculate the shell ratio where cocoon and pupal weight are 1.9 and 1.7 gms respectively
A)
11%
B)
15%
C)
10.5%
D)
12%
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The ideal time for brushing of silkworm is
A)
7 A.M
B)
9 A.M
C)
7-8 A.M
D)
10 A.M
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The top three silk producing countries are
A)
China, India, Japan
B)
China, India, Uzbekistan
C)
China, India, USA
D)
China, India, Germany
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
In great grand parent (P3) rearing are conducted in
A)
25 laying per batch
B)
10 laying per batch
C)
1 laying per batch
D)
5 laying per batch
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The female sex chromosome in Bombyx mori is
A)
ZZ
B)
XY
C)
ZW
D)
XX
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
In India the purity of silk ensures through the
A)
ISI mark
B)
Agmark
C)
Silkmark
D)
Serimark
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Ideal temperature and relative humidity required during spinning are _________ respectively.
A)
25-27oC and 60-70%RH
B)
24-25oC and 70-80%RH
C)
26-27oC and 60-70%RH
D)
26oC and 55-65%RH
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
The number of cocoon required to produced 1kg of muga raw silk is
A)
3000-4000
B)
4500-5000
C)
6000
D)
3500-4500
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
When the temperature is _____________ the spinning process is slow.
A)
Lower than 20°C
B)
Below 30°C
C)
Between 25°-27°C
D)
Lower than 25°C
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
