LDE (other) • 2018 • Paper-II
In Mizoram, what type of ‘Tier system’ is generally adopted?
A)
4 Tier System (P1, P2, P3, P4 System
B)
2 Tier System(P1,P2 System)
C)
3 Tier System (P1, P2, P3 System)
D)
Single Tier System
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Nuclear Polyhedrosis is a viral disease commonly known as
A)
Flacherie
B)
Grasserie
C)
White Muscardine
D)
Green Muscardine
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The main symptom of Grasserie disease is
A)
Loss of appetite
B)
Swelling on inter segment of the worms
C)
Sluggishness
D)
The larvae become soft and flaccid
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Seed cocoons have to be cut___________ to avoid damage to the pupa
A)
Horizontally
B)
Obliquely
C)
Straightly
D)
None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The infection of White muscardine is most common during:
A)
Rainy and summer seasons
B)
Dry and summer seasons
C)
Dry and winter seasons
D)
Rainy and winter seasons
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
In the presence of adequate number of seed cocoon and manpower, the whole process of grainage operation can be completed within:
A)
One month
B)
One week
C)
Two weeks
D)
Three weeks
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Type of eggs required to be acid treated
A)
Multivoltine
B)
Univoltine
C)
Bivoltine
D)
All of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Oviposition is allowed in darkness and at optimum Relative humidity of
A)
78 ± 5 %
B)
75 ± 5 %
C)
80 ± 5 %
D)
82 ± 5 %
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The main symptom of white Muscardine disease is
A)
The larvae lose appetite and become inactive
B)
The larvae become soft and flaccid
C)
Cephalothoracic region becomes translucent
D)
The death larvae turn red in colour
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The station where foundation stock seeds are produced and also serve as the germplasm banks
A)
P1 station
B)
P2 station
C)
P3 station
D)
P4 station
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Decoupling of female and male moth should be done after:
A)
1-2hours of pairing
B)
5-6hours of pairing
C)
3- 4hours of pairing
D)
4-5hours of coupling
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The scientific name of Mealy bug is
A)
Diacrisia pulverulentalis
B)
Meconellicoccus hirsutus
C)
Diacrisia obliqua
D)
None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
If pairing is done with the same parents, there is chance of:
A)
Better quality of cocoon
B)
inferior quality of cocoon
C)
Irregular hatching
D)
Inbreeding
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
How many hours is sufficient for mating of silkworm moths
A)
2 hours approx.
B)
1 hour approx.
C)
3 hours approx.
D)
5 hours approx.
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
In loose egg preparation, the separated eggs are soaked for 10 minutes in
A)
2 % formalin
B)
0.1 % Bleaching powder
C)
0.2 % Bleaching powder
D)
0.5 % Bleaching Powder
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Which one of the following silkworm disease is Viral disease?
A)
Bacteria
B)
Flacherie
C)
Pebrine
D)
Grasserie
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Seed cocoons preservation room should maintain a constant temperature of
A)
15 0C – 180C
B)
200C – 210C
C)
23 0C – 250C
D)
250C – 280C
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
___________ examination is most effective.
A)
Individual moth
B)
Mass examination
C)
20 – 30 moths
D)
40 – 60 moths
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Silkworm Rearing and appliances should be thoroughly disinfected with:
A)
4% Formaldehyde
B)
2% Formaldehyde
C)
3 % Formaldehyde
D)
1% Formaldehyde
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The specific gravity of the acid required in cold acid treatment is ___________ at ___________ .
A)
1.105;250C
B)
1.101; 300C
C)
1.108;150C
D)
2.10; 150C
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The attack of termites is mainly on the:
A)
Root
B)
Leaf
C)
Fruit
D)
Stem
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
For uniform development of all the eggs, hibernated eggs, after removal from cold storage should be kept at 150C for
A)
2 days
B)
3 days
C)
4 days
D)
5 days
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Moth examination may be conducted by using
A)
live (green) moth
B)
dead (dry) moth
C)
Green and dry moth
D)
None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
In loose egg preparation, a unit of ___________ eggs per box is considered a universal standard
A)
12,000
B)
15,000
C)
20,000
D)
23,000
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Causative agent of Pebrine disease is
A)
Exorista bombysis
B)
Exorista orbilans
C)
Bacillia Streptococci
D)
Nosema bombysis
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
