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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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121. |
Wilt of arhar is caused by: |
A. |
Verticillium |
B. |
Fusarium |
C. |
Xanthomonas |
D. |
Meloidogyne |
Answer: Option B
Explanation:
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122. |
Some ______ varieties of apple exude toxic wax on leaf surface to prevent germination of conidia of Podosphaera leucotricha: |
A. |
Scab resistant |
B. |
Leaf blight resistant |
C. |
Powdery mildew resistant |
D. |
Rust resistant |
Answer: Option C
Explanation:
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123. |
Some varieties of _____ are resistant to wilt due to the presence of hydrocyanidies (HCN) in root exudates: |
A. |
Sunflower |
B. |
Safflower |
C. |
Castor |
D. |
Linseed |
Answer: Option D
Explanation:
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124. |
Species Plantarum is the greatest contribution of: |
A. |
Linnaeus |
B. |
P.A. Micheli |
C. |
Saccardo |
D. |
Anton de Bary |
Answer: Option A
Explanation:
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125. |
Sporangium on germination produce vesicle in genera: |
A. |
Phytophyhora |
B. |
Pythium |
C. |
Sclerospora |
D. |
Personospora |
Answer: Option B
Explanation:
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126. |
Stipe disease of barley is caused by: |
A. |
Drechalera gramineum |
B. |
Drechalera oryzae |
C. |
Puccinia striiformis |
D. |
None of the above |
Answer: Option A
Explanation:
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127. |
Strawbery plants infected with P. penetrans (nematode) have been successfully treated with exposure in hot water at: |
A. |
49.4?C for 17.5 min. |
B. |
52.8?C for 6 min. |
C. |
54.5?C for 4 min. |
D. |
56?C for 2 min. |
Answer: Option A
Explanation:
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128. |
Striga is plant parasite included in: |
A. |
Fungi |
B. |
Mycoplasma like organisms |
C. |
Phanerogamic plant parasites |
D. |
Bacteria |
Answer: Option C
Explanation:
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129. |
Sugar beet cyst nematode was reported by: |
Answer: Option C
Explanation:
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130. |
Systemic fungicides was discovered by: |
A. |
Van Schleming and Kulka |
B. |
Millardet |
C. |
Tillet |
D. |
Prevost |
Answer: Option A
Explanation:
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