Sericulture Extension Officer • 2018 • Paper-II
The full genome of silkworm was published by International Silkworm Genome Consortum in
A)
2004
B)
2008
C)
2007
D)
2006
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 abdominal segments of a silkworm larva has
A)
3 segment
B)
6 segment
C)
11 segment
D)
9 segment
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Germplasm bank is a
A)
Fertilizer storage centre
B)
Place where water is stored
C)
Place where gene pool is maintained
D)
Agricultural development bank
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 silkworm the major gene for resistance to B. bassiana pathogen is located on the
A)
7th and 11th chromosome
B)
9th and 10th chromosome
C)
7th and 8th chromosome
D)
10th chromosome
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 urine excreted by the larvae increases the _____________ of the rearing bed.
A)
Temperature
B)
Humidity
C)
Air current
D)
Both (a) & (b)
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Hormone produced by corpus allatum in silkworm is
A)
Juvenile hormone
B)
Ecdysone hormone
C)
Diapauses hormone
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
An individual carrying the gametic chromosome number ‘n’ is known as
A)
Diploid
B)
Haploid
C)
Tetraploid
D)
Polyploidy
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 silkworm larvae can be identified by the presence of
A)
Silk glands
B)
Scent gland
C)
Ischiwatta’s gland
D)
Herold glands
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 gene responsible for producing the moulting hormone ecdysone was located on
A)
6 chromosome
B)
10 chromosome
C)
8 chromosome
D)
7 chromosome
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Diploid number of chromosomes in somatic cells of Bombyx mori is
A)
28
B)
56
C)
84
D)
112
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 spiracles in silkworm larvae is
A)
7 pairs
B)
6 pairs
C)
10 pairs
D)
9 pairs
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Back crossing is used for induction of
A)
Inbreeding
B)
Disease resistance
C)
Mutation breeding
D)
Polyploidy breeding
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Filippi’s or Lyonnet’s gland is found in
A)
Silk gland
B)
Digestive system
C)
Excretory system
D)
Respiratory system
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
External openings of the respiratory system in Bombyx mori are known as
A)
Ostia
B)
Rectum
C)
Spiracles
D)
Spinneret
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 valve which regulates the passage of food from foregut to the midgut and prevents regurgitation?
A)
Pyloric valve
B)
Cardiac valve
C)
Spiracles
D)
Spinneret
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 ‘Silkworm Seed Act’ was first promulgated in
A)
1949
B)
1959
C)
1960
D)
1962
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Central Silk Board started Race Authorization Programme in
A)
1990
B)
1985
C)
1995
D)
1992
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Central Sericultural Germplasm Resource Centre was located in
A)
Bangalore
B)
Mysore
C)
West Bengal
D)
Hosur
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 success of silkworm rearing mainly depends on
A)
Good quality leaves
B)
Brushing
C)
Mounting
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
Dupian silk is obtained from
A)
Calcified cocoon
B)
Good cocoon
C)
Pre-mature cocoon
D)
Double cocoon
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 minimum gap required between two consecutive rearing?
A)
5 days
B)
25 days
C)
10 days
D)
1 month
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
pH of reeling water required for quality raw silk production is
A)
8.8
B)
10-12
C)
6.6-7.8
D)
8.2-9
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 only country that produces Muga Silk is
A)
China
B)
Japan
C)
Korea
D)
India
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 ratio of Vanya and Mulberry silk production in India is around
A)
26:74
B)
20:80
C)
15:85
D)
18:82
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
Sericulture Extension Officer • 2018 • Paper-II
Aherua crop in Muga culture is a
A)
Seed crop
B)
Second commercial crop
C)
Main commercial crop
D)
Pre seed crop
The answer follows standard sericulture practice, silkworm biology, reeling technology or seed-production principles for the stated item.
