TNPSC Exam- Agriculture Officers Exam held on 2012-Part 7
151. Which one of the following Bee yields maximum
honey?
A)
Rock Bee
B)
Indian Bee
C)
Italian/European
Bee
D)
Little Bee
Answer: C
152. Which of the following crop rotation is
suitable for dry land areas?
A)
Rice - Gram
B)
Sesamum - Gram
C)
Mustard -
Cucurbits
D)
Wheat – Cucurbits
Answer: B
153. The ideal size of
chopped leaves for feeding the silkworm during third instar stage is
A)
05. – 1 cm
B)
1 – 2 cm
C)
4 – 6 cm
D)
6 – 8 cm
Answer: C
154. A nitrogen fixing tree species used in
agroforestry is
A)
Neem
B)
Eucalyptus
C)
Subabul
D)
Teak
Answer: C
155. Renewable source of energy is
A)
Exhaustible
B)
Inexhaustible
C)
Nuclear based
D)
Biogas
Answer: B
156. In India, the average intensity of solar
radiation received is about
A)
200 – 500 Cal/cm2/day
B)
400 – 700 Cal/cm2/day
C)
500 – 1000 Cal/cm2/day
D)
600 – 1200 Cal/cm2/day
Answer: B
157. More number of wind mills are located in the
following district.
A)
Madurai
B)
Cuddalore
C)
Tirunelveli
D)
Thanjavur
Answer: C
158. Match List I with
List II and select the correct answer by using the codes given below
List
I List
II
(a)
Heterozygote 1. rr
(b)
Homozygote 2. RR
(c)
Recessive 3. Aa Bb Cc
(d)
Dominant 4. AA BB CC
Codes:
a b c d
A) 4 3 2 1
B) 4 3 1 2
C) 3 4 1 2
D) 3 4 2 1
Answer: C
159. The progeny of a
self – pollinated homozygous plant obtained by selfing is called
A)
Inbred line
B)
Isogenic line
C)
Multi line
D)
Pure line
Answer: D
160. Highest adaptability is observed in
A)
Single cross
B)
Double cross
C)
Three way cross
D)
Multiple cross
Answer: D
161. N use efficiency of fertilizers can be enhanced
by
A)
Coating
B)
Split
C)
Placement
D)
All the above
Answer: D
162. Photorespiration is the characteristic of
A)
C3
plants
B)
C4
plants
C)
CAM plants
D)
None of the above
Answer: A
163. Seed testing is done for
A)
Purity
B)
Germination
C)
Moisture content
D)
All of the above
Answer: D
164. In sunflower, production of foundation seed
requires an isolation distance of
A)
400 metres
B)
800 metres
C)
200 metres
D)
100 metres
Answer: A
165. Expand IPM
A)
Insect Pest Management
B)
International Pest Management
C)
Integrated Pest Management
D)
Insecticide and Pest Management
Answer: C
166. The locust warning station was established in India
A)
1937
B)
1938
C)
1939
D)
1940
Answer: C
167. Which one of the following is a naturally
occurring growth inhibitor?
A)
NAA
B)
GA3
C)
ABA
D)
IAA
Answer: C
168. PAR ranges from
A)
200 – 500 nm
B)
400 – 700 nm
C)
800 – 900 nm
D)
600 – 900 nm
Answer: B
169. Sesame phyllody disease is caused by
A)
Bacteria
B)
Fungus
C)
Phytoplasma like
organism (PLO)
D)
Spiroplasma
Answer: C
170. Actions to
preserve the natural enemies by environmental manipulation is known as
A)
Augmentation
B)
Importation
C)
Conservation
D)
Multiplication
Answer: C
171. Which of the following organism are not storage
pests?
A)
Insects
B)
Rodents
C)
Nematodes
D)
Fungi
Answer: C
172. The earliest known fungicide is
A)
Sulphur
B)
Copper
C)
Mercury
D)
None of the above
Answer: A
173. The Insecticides Act enforced by Government of India
i.
import of
pesticides
ii. manufacture of pesticides
iii.
research on
pesticides
iv.
transport of
pesticides
A)
i, ii and iii of
the above
B)
ii, iii and iv of
the above
C)
i, ii and iv of
the above
D)
i, iii and iv of
the above
Answer: C
174. Significant examples for biocontrol of weeds
are
A)
eradication of
Prickly pear weed
B)
Lantana weed
C)
Water hyacianth
(Eichornia crassipes)
D)
As the above
Answer: D
175. Research under
participatory technology development is mostly carried out at
A)
Experimental Farms
B)
Farmers, Holdings
C)
Research Centres
D)
None of the above
Answer: B
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