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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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251. |
Nicotiana rustica has been derived as an amphidiploid from a cross between: |
A. |
Nicotiana tabacum x Nicotiana paniculata |
B. |
Nicotiana paniculata x Nicotiana sylvestris |
C. |
Nlcotiana undulata x Nicotiana sylvestris |
D. |
Nicotiana undulata x Nicotiana paniculata |
Answer: Option D
Explanation:
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252. |
Nicotine content of the leaves of Nicotiano rustica ranges between _____ percent. |
A. |
2.0 and 5 |
B. |
3.0 and 4.5 |
C. |
3.5 and 8.0 |
D. |
5.0 and 10.5 |
Answer: Option C
Explanation:
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253. |
Nitrogen application of safflower influences: |
A. |
Seed yield |
B. |
Seed composition |
C. |
Both of these |
D. |
None of these |
Answer: Option C
Explanation:
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254. |
Nitrogen is taken by the plants in the form of: |
A. |
Chloride |
B. |
Oxide |
C. |
Nitrate |
D. |
None of the above |
Answer: Option C
Explanation:
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255. |
Normally recommended N + P2O5 K2O dose for soy soyabean is ____ kg/ha, respectively: |
A. |
20 - 30 + 70 - 80 + 50 - 60 |
B. |
20 - 30 + 100 - 120 + 50 - 60 |
C. |
50 - 60 + 70 - 80 + 50 - 60 |
D. |
50 - 60 + 70 - 80 + 80 - 100 |
Answer: Option A
Explanation:
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256. |
Once the phenoxy herbicide penetrates the cuticle, it moves inside the plant: |
A. |
Only apoplastically |
B. |
Only symplastically |
C. |
By both mechanisms |
D. |
None of these |
Answer: Option C
Explanation:
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257. |
One acre is equivalent to: |
A. |
0.603 ha |
B. |
0.040 ha |
C. |
0.404 ha |
D. |
1.8 ha |
Answer: Option C
Explanation:
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258. |
One of the following herbicides is a selective herbicide: |
A. |
Simazine |
B. |
Bisulphide |
C. |
Pentachlorophenol |
D. |
Sodium chlorate |
Answer: Option A
Explanation:
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259. |
One of the following herbicides is a selective herbicide: |
A. |
Atrazine |
B. |
Paraquat |
C. |
Diquat |
D. |
Glyphosate |
Answer: Option A
Explanation:
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260. |
One of the following stages of rice is not critical in respect of irrigation: |
A. |
Seedling |
B. |
Panicle initiation |
C. |
Flowering |
D. |
Maturity |
Answer: Option D
Explanation:
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