CSS :: Agriculture Genetics Plant Breeding and Biotechnology
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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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291. |
Spikelets are characteristic of the family: |
A. |
Umbelliferae |
B. |
Gramineae |
C. |
Malvaceae |
D. |
Leguminoceae |
Answer: Option B
Explanation:
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292. |
Sporogenesis means: |
A. |
Formation of zygote |
B. |
Formation of embryo |
C. |
Germination of seed |
D. |
Development and formation of spores |
Answer: Option D
Explanation:
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293. |
Stems often bear: |
A. |
Unicellular hairs |
B. |
Multicellular hairs |
C. |
Both (a) & (b) |
D. |
None of above |
Answer: Option B
Explanation:
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294. |
Sterility is most pronounced in the F1 generation following: |
A. |
Intervarietal hybridization |
B. |
Intravarietal hybridization |
C. |
Intraspecific hybridization |
D. |
Interspecific hybridization |
Answer: Option D
Explanation:
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295. |
Sterility incompatibility of distant crosses can e overcome to produce hybrids by: |
A. |
Pollen culture |
B. |
Anther culture |
C. |
Explants culture |
D. |
Embryo culture |
Answer: Option D
Explanation:
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296. |
Stilt roots are produced from: |
A. |
Maint root |
B. |
Secondary roots |
C. |
Stem and branches |
D. |
None of above |
Answer: Option C
Explanation:
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297. |
Sudden and sharp change in individual and is directly inherited by the offspring is called: |
A. |
Mutation |
B. |
Adaptation |
C. |
Heredity |
D. |
Continuous variation |
Answer: Option A
Explanation:
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298. |
Sunflower is: |
A. |
Annual herb |
B. |
Biennial herb |
C. |
Perennial herb |
D. |
None of the above |
Answer: Option A
Explanation:
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299. |
Superiority of heterozygote leads to: |
A. |
Fixation of recessive allele |
B. |
Fixation of dominant allele |
C. |
Maintenance of both the alleles |
D. |
Depression of inbreeding |
Answer: Option A
Explanation:
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300. |
System of classification proposed by Hutchinson is: |
A. |
Natural |
B. |
Artificial |
C. |
Phylogenetic |
D. |
Numerical |
Answer: Option C
Explanation:
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