LDE (other) • 2018 • Paper-II
Muscardine is a
A)
Bacterial disease
B)
Viral disease
C)
Fungal disease
D)
Protozoan disease
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The required duration of dipping eggs into acid for cold acid treatment is:
A)
15-20 minutes
B)
10-15 minutes
C)
30-35 minutes
D)
about 60 minutes
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The target area of the leaf roller is
A)
The apical portion of the mulberry shoot
B)
Marginal part of the leaf
C)
Stalk of the leaf
D)
Ventral side of the leaf
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
To achieve better hatchability the temperature of the incubation room should be maintained at
A)
280C
B)
260C
C)
300C
D)
320C
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Mother moth examination is conducted to prevent silkworm from
A)
Muscardine disease
B)
Grasserie disease
C)
Flacherie disease
D)
Pebrine disease
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Silkworm breeds which are generally reared in colder regions and complete only one life cycle in a year is
A)
Bivoltine
B)
Univoltine
C)
Multivoltine
D)
Trivoltine
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Powdery mildew occurs in
A)
Summer season
B)
Rainy season
C)
Winter season
D)
During winter and Rainy season
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Red rust disease is caused by a fungus
A)
Aecidium mori
B)
Pseudomonas syringae
C)
Fusarium pollidoroseum
D)
Cerotelium fici
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
The most dangerous disease in mulberry due to its epidemic nature and potentiality to kill the plants completely
A)
Root knot disease
B)
Root rot disease
C)
Stem canker
D)
Coller rot disease
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) • 2018 • Paper-II
Leaf spot can be controlled by
A)
Spraying 0.2 % Bavistin solution on the leaves
B)
Spraying 0.2 % streptomycin on the leaves
C)
Removal of affected portion
D)
Spraying Rogor on the leaves
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
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
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
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
___________ 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
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
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
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 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
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
Under optimum conditions of temperature and humidity moth emergence occurs in
A)
12 to 14 days from the date of spinning
B)
7 to 10 days from the date of spinning
C)
5 to 8 days from the date of spinning
D)
None of the above
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
