TNPSC Exam- Agriculture Officers Exam held on 2012-Part 2
26. Poly unsaturated fatty acids are rich in
A)
Sunflower oil
B)
Groundnut oil
C)
Coconut oil
D)
Castor oil
Answer: A
27. National Seed Corporation of India
A)
1961
B)
1965
C)
1962
D)
1960
Answer: D
28. Any crop variety to be released in Tamil
Nadu has to be approved by
A)
Department of
Agriculture
B)
State Variety
Release Committee
C)
State Variety
Release Corporation
D)
Tamil Nadu
Agricultural University
Answer: B
29. The process of breaking/softening the seed
coat is called
A)
Caprification
B)
Clarification
C)
Scarification
D)
Saponification
Answer: C
30. Certification is not required for
A)
Breeder Seed
B)
Certified Seed
C)
Foundation Seed
D)
Nucleus Seed
Answer: A
31. Gladiolus is propagated by
A)
Corms
B)
Bulbs
C)
Suckers
D)
Buddings
Answer: A
32. In breeding of cross pollinated species lead
to increase in
A)
Homozygosity
B)
Heterozygosity
C)
Both of the above
D)
None of the above
Answer: A
33. Reflection of Solar radiation is termed as
A)
Infrared radiation
B)
Solar constant
C)
Albedo
D)
Net radiation
Answer: C
34. Generic tool in hybrid seed production of
red gram is
A)
CGMS
B)
GMS
C)
Mutation
D)
PGMS
Answer: B
35. Tag colour for foundation seeds is
A)
green
B)
blue
C)
white
D)
yellow
Answer: C
36. At which humidity percentage should the
cereal grains be stored?
A)
5-6 %
B)
7-9%
C)
10-15%
D)
8-10%
Answer: D
37. Conversion of organic form of nutrient in to
inorganic form
A)
Mineralization
B)
Immobilization
C)
Fixation
D)
Stabilization
Answer: A
38. ETL level for Diamond back moth is
A)
10 larvae / 10
plans
B)
20 larvae / 10 plants
C)
25 larvae / 10
plants
D)
5 larvae / 10
plants
Answer: B
39. At harvest, Surgane contains maximum amout
of
A)
Maltose
B)
Sucrose
C)
Glucose
D)
Amylose
Answer: B
40. Papaya mealy bug can be controlled by
A)
Acerophagous
papaya
B)
Pseudomonas
fluorescens
C)
Trichoderma viridi
D)
Trigrogramma spp.
Answer: A
41. The grubs of coconut rhinoceros beetle are
found in
A)
Fronds
B)
Manure pits
C)
Soil
D)
Stem
Answer: B
42. Biuret content in urea should be less than
A)
2
B)
1.5
C)
10
D)
3
Answer: B
43. American bollworm can be controlled by
1.
heromone trap
2.
Fish meal trap
3.
NPV
4.
Yellow sticky trap
A)
1 and 2 of the
above
B)
3 and 4 of the
above
C)
1 and 3 of the
above
D)
2 and 4 of the
above
Answer: C
44. Match the key pest with the host using the
codes given below:
Key Pest Host
(a)
Case worm 1. Groundnut
(b)
Gall fly 2. Rice
(c)
Internode borer 3. Sorghum
(d)
Leaf minor 4. Sugarcane
Codes:
a b c d
A) 2 3 1 4
B) 3 2 4 1
C) 2 3 4 1
D) 3 1 2 4
Answer: C
45. White tip disease caused by nematode is
found in
A)
Sorghum
B)
Maize
C)
Rice
D)
Pearlmillet
Answer: C
46. Leaf blotch of Turmeric is caused by
A)
Carcospora sp.
B)
Fusarium equiseti
C)
Taphrina maculans
D)
Phytophthora
colocaseae
Answer: C
47. ‘Wilt phase’ is common in
A)
Blast of Paddy
B)
Bacterial blight
of paddy
C)
White rust of
Crucifers
D)
Red rot of
sugarcane
Answer: B
48. ‘Green ear’ disease of Bajra is caused by
A)
Erysiphe graminis
B)
Albugo candiola
C)
Sclerosphora
graminicola
D)
Rhizopus oryzae
Answer: C
49. Sigatoka is the problem in
A)
lime
B)
guava
C)
sapota
D)
banana
Answer: D
50. An important disease infecting Chilli fruits
is
A)
Anthracnose
B)
Blight
C)
Bud rot
D)
Rust
Answer: A
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