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For students in search of
- Hydroponic Gardening
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Guides - Basics to Experts level
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Growing fruit and vegetables hydroponically
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Practical daily questions or queries of hydroponics lovers
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Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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271. |
The type of parthenogenesis where only males are produced is: |
A. |
Arrhenotody |
B. |
Thelytoky |
C. |
Amphitoky |
D. |
None of the above |
Answer: Option A
Explanation:
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272. |
The ultimate control through biotic agencies is expected after: |
A. |
One generation |
B. |
Two generations |
C. |
Three generations |
D. |
More than three generations |
Answer: Option C
Explanation:
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273. |
The virus used successfully for the control of caterpillars of gram pod borer is: |
A. |
YMV |
B. |
TMV |
C. |
Granulosis virus |
D. |
NPV |
Answer: Option D
Explanation:
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274. |
The wings of butterfly and birds are: |
A. |
Homologous organs |
B. |
Analogous organs |
C. |
Vestigial organs |
D. |
Circulatory organs |
Answer: Option A
Explanation:
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275. |
Token stimuli theory was postulated by: |
A. |
Throsteinson |
B. |
House |
C. |
Painter |
D. |
Fraenkel |
Answer: Option A
Explanation:
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276. |
Tomato leaf curl virus is transmitted by: |
A. |
Aphid |
B. |
Whitefly |
C. |
Grasshopper |
D. |
Butterfly |
Answer: Option B
Explanation:
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277. |
Tree banding is useful for the control of: |
A. |
Mango hopper |
B. |
Bark eating caterpiller |
C. |
Mango mealy bug |
D. |
Mango stem borer |
Answer: Option C
Explanation:
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278. |
Trenching is recommended for the control of either of these: |
A. |
White grub bettle |
B. |
Maize stem borer |
C. |
Red hairy caterpillar |
D. |
Army worm |
Answer: Option C
Explanation:
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279. |
Triple action nozzle provides one of the following spray patterns: |
A. |
Holo cone, flat fan, and Solid cone |
B. |
Holo cone and Jet |
C. |
Holo cone, Solid cone and Jet |
D. |
Holo cone, Jet and Flat fan |
Answer: Option C
Explanation:
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280. |
Ultra-low volume (ULV) or low volume concentration (LVC) refer to the use of spray volume (liquid) less than _____ litres: |
Answer: Option A
Explanation:
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