LDE (other) β’ 2021 β’ Paper-I
The time required for spinning silk to make a cocoon from beginning to end is usually about:
A)
12 hours
B)
24 hours
C)
48 hours
D)
56 hours
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
Wooden or bamboo rearing trays are arranged in tiers on rearing stand for rearing and is called:
A)
Floor rearing
B)
Tray rearing
C)
Self rearing
D)
Shoot rearing
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
The male larva has a single median opening at the junction of the 8th and 9th segments called opening of __________:
A)
Heroldβs gland
B)
Receptaculum Seminis
C)
Ishiwataβs foreglands
D)
Ishiwataβs hindglands
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
Regular irrigation at an interval of __________ days is ideal for mulberry plant:
A)
2 β 3
B)
3 β 5
C)
5 β 6
D)
8 β 10
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
How many times required bed cleaning during the 2nd instar:
A)
one
B)
two
C)
three
D)
four
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
In row system of planting, recommended dose of NPK(Kg/ha) in irrigated areas:
A)
50 : 50 : 50
B)
100 : 50 : 50
C)
200 : 100 : 100
D)
300 : 120 : 120
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
The entire branch of mulberry plant is harvested and used to feed silkworms. This method is known as:
A)
Branch cutting
B)
Whole shoot harvest
C)
Leaf picking
D)
Root cutting
Harvesting the whole branch for feeding is termed whole-shoot harvest.
LDE (other) β’ 2021 β’ Paper-I
Mulberry can be grown in a rainfall rage of:
A)
150mm β 500mm
B)
200mm β 750mm
C)
400mm β 1500mm
D)
600mm β 2500mm
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
In leaf picking method, the first bottom pruning has to be taken up at a height of __________ from ground level:
A)
5 β 10 cm
B)
10 β 15 cm
C)
15 β 20 cm
D)
20 β 25 cm
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
Larval period of multivoltine races of Bombyx mori is:
A)
5 -10 days
B)
10 β 20 days
C)
20 β 25 days
D)
25 β 30 days
The larval period is about 20β25 days in multivoltine races.
LDE (other) β’ 2021 β’ Paper-I
Transferring of matured silkworm larvae to a suitable frame to spin cocoon is called:
A)
Moulting
B)
Spinning
C)
Brushing
D)
Mounting
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
Required temperature during the 5th instar:
A)
16 β 180C
B)
23 β 240C
C)
24 β 280C
D)
28 β 300C
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
__________ consists of dung, urine and straw that has been used as bedding for cattle:
A)
Green manure
B)
compost
C)
FYM
D)
Sericulture waste
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
__________ system is followed for rainfed mulberry crop:
A)
Pit system
B)
Row system
C)
Kolar system
D)
Strip system
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
__________ races lay only diapausing eggs:
A)
Univoltine
B)
Bivoltine
C)
Multivoltine
D)
Commercial
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
__________ formalin is used for routine disinfection of rearing room and rearing appliances prior to the commencement of rearing:
A)
2%
B)
5%
C)
8%
D)
10%
A dilute formalin solution (commonly about 2%) is used for routine disinfection.
LDE (other) β’ 2021 β’ Paper-I
The best time for brushing is:
A)
6 am
B)
8 am
C)
10 am
D)
11 am
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
Recommended doses of fertilizers after 2nd year onwards under rainfed condition:
A)
100N : 50P : 50K
B)
100N : 100P : 50K
C)
100N : 100P : 100K
D)
50N : 50P : 50K
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
The inter-row spaces are covered with cut-straw mats or mulberry twigs as a protective material. This is called:
A)
Intercultivation
B)
Pruning
C)
Grafting
D)
Mulching
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
The period of mulberry storage should not exceed __________:
A)
8 hours
B)
12 hours
C)
18 hours
D)
24 hours
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
At least __________ should be carried out during the first six months after planting of cuttings:
A)
one weeding
B)
two weedings
C)
three weedings
D)
four weedings
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
In case of leaf harvest methods, the first harvest is taken __________ after 1st pruning:
A)
50 days
B)
70 days
C)
100 days
D)
120 days
The first harvest after the first pruning is around 70 days in the cited practice.
LDE (other) β’ 2021 β’ Paper-I
Recommended dose of fertilizer during 1st year under rainfed is:
A)
25N : 25P : 25K
B)
50N : 50P : 50K
C)
50N : 25P : 25K
D)
50N : 25P : 50K
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) β’ 2021 β’ Paper-I
Silkworm are fond of __________ dim light:
A)
15 β 30 lux
B)
20 β 25 lux
C)
25 β 30 lux
D)
30 β 35 lux
This is the standard sericulture/agronomic practice for the condition stated.
LDE (other) β’ 2021 β’ Paper-I
__________, in which the mulberry branches are cut around mid-height at about one metre:
A)
Bottom pruning
B)
Middle pruning
C)
Top pruning
D)
Ground pruning
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.