← LDE (other)

Past Questions

LDE (other) β€’ 2018 β€’ Paper-II

As soon as cocoon arrive at grainage, cocoon is sorted for:

A) Rejection of flimsy cocoon
B) Rejection of stained cocoon
C) Rejection of double cocoon
D) All of the above
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Bacterial Toxicosis is caused by different strains of

A) Bacillus thuringiensis
B) Streptococcus bombysis
C) Beauveria bassiana
D) none of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

In India, what type of β€˜Tier system’ is generally adopted for seed organisation.

A) 3 Tier System (P1, P2, P3 System)
B) 2 Tier System (P1, P2 System)
C) 4 Tier System (P1, P2, P3, P4 System)
D) Single Tier System
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

In order to produce Disease free layings, individual mother Moth is homogenized in

A) 2ml of 0.6 % K CO2 3
B) 2ml of 0.5 % K CO2 3
C) 80ml of 0.6 % K CO2 3 for 1 minute
D) None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The attack of thrips is mainly on the:

A) Stem
B) Leaf
C) Root
D) Trunk
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

During copulation, the coupling pairs are kept in ___________ conditions, preferably at a temperature of ___________ .

A) Light, 24 – 250C
B) Light, 30 – 350C
C) Semi dark, 24 – 250C
D) Semi dark, 30 – 350C
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Cellules are designed to provide

A) Darkness
B) Optimum humidity
C) Disinfection
D) All of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Another term of Hybrid is

A) Heterosis
B) Mitosis
C) Mutation
D) Photosynthesis
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The commercial grade HCL is generally available in the range of

A) 1.002 – 1.006 sp.gr
B) 1.160 – 1.180 sp.gr
C) 1.015 – 1.017 sp.gr
D) 1.001 – 1.009 sp.gr
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Ideal temperature for preservation of seed cocoon

A) 240C to 260C
B) 270C to 280C
C) 290C to 300C
D) None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Hydrometer is an instrument which is used to measure:

A) Specific gravity of acid
B) Formalin strength
C) Humidity
D) Alkaline strength
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Pebrine is cause by

A) Virus
B) Bacteria
C) Protozoa
D) Fungus
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The symptom of bacterial disease which is not found in other disease is:

A) Loose motion
B) Mummified
C) Vomiting
D) lose of appettite
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

For seed cocoon preservation, processing room should be maintained

A) 10 hours light and 14 hours darkness
B) 8 hours light and 12 hours darkness
C) 6 hours light and 10 hours darkness
D) 7 hours light and 8 hours darkness
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The P2 seed multiplication is normally done in

A) Private farms
B) Govt. Farms
C) NSSP
D) None of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Which one of the following is not grainage equipment?

A) Plastic rearing tray
B) Rearing rack
C) Cutting knife
D) Chopping knife
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Grainage equipment which is used to record temperature and relative humidity is called as

A) Hygrometer
B) Thermometer
C) Hydrometer
D) All of these
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The infected diseased and abnormal worms should be:

A) Handpicked and thrown out
B) Handpicked and incinerated
C) Handpicked and keep aside
D) Handpicked and put into the dustbin.
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

The causative agent of leaf roller is

A) Meconellicoccus hirsutus
B) Diaphania pulverulentalis
C) Spodoptera litura
D) Diacrisia obliqua
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ 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) β€’ 2018 β€’ 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) β€’ 2018 β€’ Paper-II

To avoid irregular emergence of moths ___________ is to be maintained on the previous day of moth emergence

A) Semi dark
B) Complete darkness
C) Dark
D) Light dark
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ 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) β€’ 2018 β€’ Paper-II

White Muscardine disease in silkworm is caused by

A) Beauveria bassiana
B) Streptococcus bombysis
C) Bacillus thuringiensis
D) Staphylococci
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.
LDE (other) β€’ 2018 β€’ Paper-II

Aspergillosis occurs during

A) Chawki stage
B) 3rd stage
C) 4th stage
D) 5th stage
The answer follows standard sericulture, mulberry pest/disease, grainage and seed-production practice.