LDE (other) • 2019 • Paper-I
Select the word nearest in meaning (Synonym) to the italicized word: He is quite meticulous in his dealings with others.
A)
Reserved
B)
Very careful
C)
Indifferent
D)
Haughty
Meticulous means showing great attention to detail; synonym is very careful.
LDE (other) • 2018 • Paper-II
Stem borer can be controlled by using:
A)
Glycel
B)
Nuvan
C)
Insecticide
D)
None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Which one of the following acid is used for treatment of eggs to prevent diapause?
A)
Sulphuric acid
B)
Nitric acid
C)
Hydrochloric acid
D)
Bromic acid
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 at least:
A)
one day before rearing
B)
one week before rearing
C)
2 days before rearing
D)
36Hrs before rearing.
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 transmitted through gene?
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
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
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
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
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
For production of non-hibernating seed, the egg is collected after oviposition and:
A)
The eggs should be kept for distribution
B)
The eggs should be put outside for sun drying
C)
The eggs should be rinsed with clear water and disinfected with 2% formalin
D)
The eggs should be kept in clean and dry place without wetting
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
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
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
To eliminate the possible risk of surface contamination of eggs by various pathogens, surface sterilization of eggs with 2% formaldehyde solution for ___________ minutes is compulsory
A)
10 – 15 minutes
B)
5 – 10 minutes
C)
10 minutes
D)
15 minutes
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The purpose of mother moth examination is to detect
A)
Muscardine disease
B)
Pebrine disease
C)
Grasserie disease
D)
Flacherie disease
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
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
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
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
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
The appearance of pebrine spore in microscope is:
A)
Transparent and oval
B)
Translucent and oval
C)
Shinning and oval
D)
Opaque and oval
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
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.
