Sericulture Extension Officer • 2018 • Paper-II
A solution of acid dye contain
A)
2-4% acetic acid + 10% glauber salt
B)
5-6% acetic acid + 5% glauber salt
C)
4% acetic acid + 8% glauber salt
D)
3% acetic acid + 10% glauber salt
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Black boxing of silkworm eggs during incubation is done for
A)
48-72 hrs
B)
Synchronized hatching
C)
Uniform growth of larvae
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 unit used to measure the thickness of silk filament
A)
Denier
B)
Renditta
C)
Micron
D)
MM
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Ahimsa silk is naturally obtained from
A)
Tasar silk
B)
Mulberry silk
C)
Muga silk
D)
Eri silk
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Appliances used to transfer of Muga silkworm from one plant to another
A)
Chaloni
B)
Jhali
C)
Khora
D)
Bamboo pole
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 ends per basin in multi-end reeling machine
A)
20
B)
5
C)
1
D)
10
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Serigraph test is
A)
To determine the neatness of raw silk
B)
To determine the degree of agglutination of filaments
C)
To find the tenacity and elongation of raw silk
D)
To determine the number of breaks
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 duration of light and darkness to be provided during incubation of silkworm egg is
A)
8 hours light and 16 hours darkness
B)
14 hours light and 7 hours darkness
C)
12 hours light and 8 hours darkness
D)
16 hours light and 8 hours darkness
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
List of sex limited breeds in India by hybridization is
A)
ZPN (SL), CSR3, CSR8
B)
MC4, CSR2, CSR4
C)
CSR4, CSR3, NB4D2
D)
CSR2, CSR8, ZPN (SL)
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Oak Tasar silkworm Antheraea proylei is the hybrid between Antheraea roylei and
A)
Antheraea mylitta
B)
Antheraea asama
C)
Antheraea pernyi
D)
Antheraea jolly
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 Raw Silk classification category II is the size of
A)
18 denier and below
B)
15 to 30 denier
C)
20 denier and above
D)
19 to 33 denier
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Role of restriction enzymes in the recombinant DNA technology is
A)
Cut the DNA
B)
Join the DNA
C)
Match the DNA
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
Bed disinfectant should be applied
A)
During moulting
B)
30 minutes before feeding
C)
I hour before feeding
D)
30 minutes after feeding
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
After 24hrs of moulting Muga worms along with the leaves should be sprayed
A)
3% Bleaching powder
B)
0.3% Slaked lime
C)
0.02% Sodium Hypochloride
D)
2% Formalin
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 P3 station only————bivoltine cocoons are selected for P2 laying preparation
A)
40%
B)
20%
C)
60%
D)
30%
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Muga worms should be transferred from one plant to another even when there is still _____________ foliage on plants to avoid starvation
A)
10%
B)
30%
C)
25%
D)
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
Which is not a part of silkworm egg?
A)
Chorion
B)
Yolk
C)
Spinneret
D)
Vitelline membrane
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Photoecdysone (Plant extract) is a hormone used for
A)
Uniform mounting and ripening
B)
Foliar spray for mulberry
C)
Bed disinfectants to prevent silkworm disease
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
Female pupae can be identified by
A)
Small spot on the ventral surface of 9th abdominal segment
B)
Small body structure
C)
X-shaped mark in the centre of 8th abdominal segment
D)
Narrow slit on the abdomen
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 portion of the silk gland secretes fibrion
A)
Anterior region
B)
Middle region
C)
Middle section of middle region
D)
Posterior region
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Pupal diapause is found in
A)
Mulberry Silkworm
B)
Eri Silkworm
C)
Tasar Silkworm
D)
Both (b) & (c)
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 DNA strand copied from mRNA using reverse transcriptase is known as
A)
zDNA
B)
Humidifier
C)
cDNA
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
The process of casting off exoskeleton in silkworm is called
A)
Moulting
B)
Mounting
C)
Mulching
D)
Brushing
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 plastic collapsible mountage can accommodate
A)
200 larvae
B)
350-400 larvae
C)
1200 larvae
D)
80-150 larvae
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
No. of cocoon in 1kg is 560. Pierce cocoon-5, double cocoon-15, flimsy cocoon-8, malformed cocoon-4. Calculate the good cocoon percentage.
A)
5.7%
B)
90.4%
C)
85%
D)
94.3%
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
