Sericulture Extension Officer • 2018 • Paper-III
Look at this series: 7, 8, 18, 57, __, 1165, ... What number should fill the blank?
A)
174
B)
232
C)
224
D)
228
The pattern is ×1+1, ×2+2, ×3+3, ×4+4, ×5+5: 57×4+4=232, then 232×5+5=1165. Thus the blank is 232.
Sericulture Extension Officer • 2018 • Paper-III
Look carefully for the pattern, and then choose which pair of numbers comes next.
45, 38, 5, 41, 34, 5, 37, 30,
A)
11, 5
B)
10, 42
C)
5, 38
D)
5, 33
The sequence is 45,38,5; 41,34,5; 37,30,5, so the next pair is 5,38.
Sericulture Extension Officer • 2018 • Paper-III
Disease free and quality silkworm eggs are produced in large quantities in
A)
Breeding station
B)
Breeding centre
C)
Hatcheries
D)
Grainage
Grainages produce and process disease-free silkworm seed.
Sericulture Extension Officer • 2018 • Paper-III
Mulberry root knot diseases can be controlled by applying
A)
Dithane M-45
B)
Bavistin
C)
Carbofuron
D)
None of these
Carbofuran is used as a nematicide against root-knot nematodes.
Sericulture Extension Officer • 2018 • Paper-III
Leaf rust in Som can be reduced by foliar spray of
A)
1.0% Dithane M-45
B)
1.0% Bordeaux
C)
1.5% Nuvan
D)
1.0% Captan
Dithane M-45 is a fungicide used as a foliar spray against rust.
Sericulture Extension Officer • 2018 • Paper-III
Symptoms of Leaf Rust
A)
White powdery patches on the lower surface of mulberry leaves
B)
Small brownish irregular spots
C)
Pin-head sized circular to oval, brownish eruptive lesions
D)
Leaf marginal browning or blackening of leaves
Rust produces small eruptive brownish lesions on the lower surface.
Sericulture Extension Officer • 2018 • Paper-III
Which is not a pest of mulberry?
A)
Leaf roller
B)
Cutworm
C)
Thrips
D)
Dermestid beetle
Cutworms are not among the standard major mulberry pests in this question set.
Sericulture Extension Officer • 2018 • Paper-III
Which of the following words is the odd one out?
A)
Marigold
B)
Ferns
C)
Lotus
D)
Rose
Ferns are not flowering plants; marigold, lotus and rose are flowering plants.
Sericulture Extension Officer • 2018 • Paper-III
Vijetha is a
A)
General disinfectant
B)
Bed disinfectant
C)
Insecticide
D)
Pesticide
Vijetha is used as a bed disinfectant in sericulture.
Sericulture Extension Officer • 2018 • Paper-III
The route of infection for Grasserie disease
A)
Sub cutaneous
B)
Wound
C)
Per oral
D)
Transovum transmission
Grasserie/NPV typically enters through the mouth with contaminated feed.
Sericulture Extension Officer • 2018 • Paper-III
Pebrine is also known as
A)
Microsporidian diseases
B)
Bacterial diseases
C)
Bm NPV
D)
Sotto disease
Pebrine is a microsporidian disease caused by Nosema species.
Sericulture Extension Officer • 2018 • Paper-III
Look at this series: 153, 153, 140, 140, 127, 127, ... What number should come next?
A)
12
B)
114
C)
27
D)
53
Each number is repeated, then reduced by 13: 127−13=114.
Sericulture Extension Officer • 2018 • Paper-III
Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?
A)
85
B)
97
C)
109
D)
178
Alternate operations ÷2, +8: 170÷2=85.
Sericulture Extension Officer • 2018 • Paper-III
What is the exact value of x? (1) 4 < 2x < 13 (2) x^2 = 25
A)
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked
B)
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked
C)
BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient
D)
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data are needed
Statement 1 gives 2<x<6.5; statement 2 gives x=±5. Together only x=5 satisfies statement 1, so together are sufficient.
Sericulture Extension Officer • 2018 • Paper-III
Stem canker is caused by
A)
Bacteria
B)
Fungus
C)
Pest
D)
Nematode
Stem canker in this context is a fungal disease.
Sericulture Extension Officer • 2018 • Paper-III
Bavistin is a
A)
Pesticide
B)
Bio-fertilizer
C)
Bio-control agent
D)
Fungicide
Bavistin is a formulation of carbendazim, a fungicide.
Sericulture Extension Officer • 2018 • Paper-III
Which is not a sucking pest?
A)
White fly
B)
Thrips
C)
Mealy bug
D)
Leaf roller
Leaf rollers are chewing/rolling pests; the other three suck plant sap.
Sericulture Extension Officer • 2018 • Paper-III
The most common disease of Oak Tasar silkworm experienced in Mizoram
A)
Pebrine
B)
Tiger band disease
C)
Grasserie
D)
Muscardine
Tiger band disease is a commonly reported oak tasar silkworm disease in the region.
Sericulture Extension Officer • 2018 • Paper-III
Stem borer can be controlled by applying
A)
1.5% Nuvan
B)
3% Nuvan
C)
2% Bavistin
D)
5% Carbofuron
Carbofuran is used against stem-boring insect pests.
Sericulture Extension Officer • 2018 • Paper-III
Boat shaped leaves appearance is caused by
A)
Mealy bug
B)
Cutworms
C)
Thrips
D)
Leaf webber
Thrips feeding can distort young leaves into boat-like shapes.
Sericulture Extension Officer • 2018 • Paper-III
A woman going with a boy is asked by another woman about the relationship between them. The woman replied, “My maternal uncle and the uncle of his maternal uncle is the same.” How is the lady related to that boy?
A)
Grandmother and grandson
B)
Mother and son
C)
Aunt and nephew
D)
Cannot be determined
The wording does not uniquely establish the exact relationship from the stated kinship chain.
Sericulture Extension Officer • 2018 • Paper-III
Select the pair which has the same relationship as PALAEONTOLOGY: FOSSIL
A)
Phrenology: Skull
B)
Behavior: Accounting
C)
Neurology: Blood
D)
Theology: play
Palaeontology studies fossils; phrenology is associated with skull study.
Sericulture Extension Officer • 2018 • Paper-III
I was born on August 11. Mohan is older than me by 11 days. This year’s Independence Day falls on Monday. The day on which Mohan’s birthday will fall this year will be
A)
Friday
B)
Tuesday
C)
Sunday
D)
Thursday
Independence Day is August 15, a Monday. August 11 is Thursday, so 11 days earlier than Mohan’s birthday is Monday; Mohan’s birthday is August 22, which is Friday.
Sericulture Extension Officer • 2018 • Paper-III
Manangement of Jassid
A)
0.05% DDVP
B)
0.5% Neem oil
C)
0.1% Benomyl
D)
2% Mancobez
DDVP (dichlorvos) is used as an insecticidal treatment against jassid.
Sericulture Extension Officer • 2018 • Paper-III
Pest of Eri food plants
A)
Scale insects
B)
Mealy bug
C)
Semilooper
D)
All of these
Scale insects, mealybugs and semiloopers can infest host plants.
