Sericulture Extension Officer • 2018 • Paper-III
Diseased larvae should be disposed in
A)
0.2% slaked lime
B)
5% bleaching powder
C)
0.2% bleaching powder
D)
3% slaked lime
Bleaching powder solution is used for safe disposal/disinfection of diseased larvae.
Sericulture Extension Officer • 2018 • Paper-III
Gattine is a disease caused by combination of
A)
Virus and Protozoa
B)
Fungi and Bacteria
C)
Virus and Bacteria
D)
Virus and Fungi
Gattine is associated with mixed infection, classically virus and protozoan components.
Sericulture Extension Officer • 2018 • Paper-III
Parasitoids that attacks Oak Tasar silkworm larvae
A)
Wasps
B)
Bugs
C)
Ants
D)
Preying mantis
Several hymenopterous parasitoids attack tasar larvae.
Sericulture Extension Officer • 2018 • Paper-III
Causal organism of white muscardine in silkworm Bombyx mori is
A)
Nosema bombysis
B)
Streptococcus bombysis
C)
Bm CPV
D)
Beauveria bassiana
White muscardine is caused by Beauveria bassiana.
Sericulture Extension Officer • 2018 • Paper-III
Nuclear polyhedrosis in silkworm is commonly known as
A)
Grasserie
B)
Flacherie
C)
Muscardine
D)
Pebrine
NPV disease is commonly called grasserie.
Sericulture Extension Officer • 2018 • Paper-III
Serious pest of silkworm is
A)
Dermestid beetle
B)
Jassid
C)
Uzi fly
D)
Rats
Uzi fly is a major parasitoid/pest problem in silkworm rearing.
Sericulture Extension Officer • 2018 • Paper-III
Powdery mildew can be controlled by spraying
A)
0.3% Karathane
B)
O.5% Wetable Sulphur
C)
0.1% Carbendazim
D)
0.2% Copper Oxychloride
Carbendazim is a standard systemic fungicide used against powdery mildew.
Sericulture Extension Officer • 2018 • Paper-III
Symptoms of root rot disease
A)
Decaying of root
B)
Sudden withering and defoliation of leaves
C)
Fail to sprout
D)
All of these
Root decay, sudden wilting/defoliation and failure to sprout are associated symptoms.
Sericulture Extension Officer • 2018 • Paper-III
Defoliation of young leaves with necrosis along the veins is due to
A)
Calcium deficiency
B)
Bromine deficiency
C)
Magnesium deficiency
D)
Iron deficiency
Calcium deficiency damages young tissues and can cause necrosis.
Sericulture Extension Officer • 2018 • Paper-III
Powdery mildew causing pathogens, Phylactinia corylea is an
A)
Parasite
B)
Endoparasite
C)
Ectoparasite
D)
None of these
Powdery mildew fungi are ectoparasites growing superficially on the host.
Sericulture Extension Officer • 2018 • Paper-III
Causal organism of leaf spot disease
A)
Cercospora moricola
B)
Pseudomonas mori
C)
Meloidogyne incognita
D)
Phyllactinia corylea
Cercospora moricola is a known causal organism of mulberry leaf spot.
Sericulture Extension Officer • 2018 • Paper-III
Symptoms of Alternaria blight in Castor plant
A)
Wilting plants
B)
Appearance of irregular spots on leaves
C)
Marginal necrosis
D)
Appearance of black spots on leaves
Alternaria commonly produces dark necrotic leaf spots.
Sericulture Extension Officer • 2018 • Paper-III
Leaf blight diseases of mulberry is caused by
A)
Virus
B)
Bacteria
C)
Fungus
D)
Nematode
Mulberry leaf blights are fungal diseases.
Sericulture Extension Officer • 2018 • Paper-III
Safe period for spraying of Bavistin
A)
5-10 days
B)
10 days
C)
15 days
D)
7-10 days
A typical safe interval given for Bavistin spray is about 7–10 days.
Sericulture Extension Officer • 2018 • Paper-III
0.5% Dimecron should be applied twice at 15 days interval to control
A)
Leaf spot
B)
Leaf rust
C)
Powdery mildew
D)
Gall infestation
Dimecron is used in the cited sericulture schedule against gall infestation.
Sericulture Extension Officer • 2018 • Paper-III
Application of gypsum or ammonium sulphate is recommended for
A)
Magnesium deficiency
B)
Sulphur deficiency
C)
Zinc deficiency
D)
Calcium deficiency
Both are sources of sulphur used to correct sulphur deficiency.
Sericulture Extension Officer • 2018 • Paper-III
Marginal scorching and yellowing of Mulberry leaf is due to deficiency of
A)
Moisture
B)
Oxygen
C)
Potassium
D)
Glucose
Potassium deficiency commonly causes marginal scorch/necrosis.
Sericulture Extension Officer • General English Paper-II
Choose the correct relative pronoun: The festival, ____________ lasted all day, ended with a feast.
A)
that
B)
who
C)
which
D)
what
'Which' introduces the non-defining relative clause.
Sericulture Extension Officer • General English Paper-II
Choose the correct relative pronoun: The winners, ____________ known, will receive the prizes.
A)
whoever
B)
who
C)
when
D)
that
'Whoever' can introduce the person whose identity is not yet known; among options it is the intended choice.
Sericulture Extension Officer • General English Paper-II
Pick the correct clause: Anyone who comes late will be punished.
A)
adverb clause
B)
noun clause
C)
adjective clause
D)
co-ordinate clause
'Who comes late' modifies 'anyone', so it is an adjective clause.
Sericulture Extension Officer • General English Paper-II
Choose the correct preposition/article: ____________ the evening we watched for fireflies.
A)
Under
B)
Between
C)
Throughout
D)
After
'Throughout the evening' is the correct prepositional phrase.
Sericulture Extension Officer • General English Paper-II
Fill the blank with a proper conjunction: I was on time, ____________ everyone else was late.
A)
so
B)
but
C)
for
D)
and
'But' contrasts being on time with everyone else being late.
Sericulture Extension Officer • General English Paper-II
Identify the sentence or clause: The old car was in a fairly good condition, but the condition of the body was poor.
A)
compound
B)
simple
C)
complex
D)
none of these
The two independent clauses are joined by 'but', so it is compound.
Sericulture Extension Officer • General English Paper-II
Fill the blank with a proper conjunction: I visit the Grand Canyon ____________ I go to Arizona.
A)
once
B)
whenever
C)
wherever
D)
when
'Whenever' means every time the speaker goes to Arizona.
Sericulture Extension Officer • General English Paper-II
Choose the correct meaning of the idiom: Ins and outs.
A)
bold confrontation
B)
exit and entrance
C)
long time
D)
full detail
'Ins and outs' means all the details.
