TLS Online TPP Program
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TLS Online TPP Program
#Question id: 37900
#Plant Biotechnology
Consider the following statements regarding the Auxin:Cytokinin ratio:
1. High Cytokinin favors shoot formation.
2. High Auxin suppresses bud differentiation.
3. High Cytokinin:Auxin ratio can promote both xylem and phloem differentiation.
Which of the statements given above are CORRECT?
TLS Online TPP Program
#Question id: 37901
#Plant Biotechnology
Tropane alkaloid production in root cultures is commonly associated with plants belonging to:
TLS Online TPP Program
#Question id: 37902
#Plant Biotechnology
Which of the following plants is known for producing tropane alkaloids in root cultures?
TLS Online TPP Program
#Question id: 37903
#Plant Biotechnology
Match the scientists in List I with their specific contribution in List II:
| Column I | Column II |
| A. Endosperm | 1. Triploid tissue formed after double fertilization |
| B. Albuminous seed | 2. Endosperm persists in mature seed |
| C. First report of endosperm culture | 3. Lampe and Mills (1933) |
| D. Immature endosperm culture | 4. Proliferation common; organogenesis rare |
| E. Critical age for rice endosperm culture | 5. 4–7 days after pollination |
| F. Medium supplements for endosperm culture | 6. Yeast extract or casein hydrolysate |
| G. Mature endosperm of parasitic species | 7. Requires cytokinin ± auxin |
TLS Online TPP Program
#Question id: 37904
#Plant Biotechnology
Which of the following statements regarding Endosperm Culture is INCORRECT?
TLS Online TPP Program
#Question id: 37905
#Plant Biotechnology
Which of the following is identified as the "principal limiting factor" for vascular differentiation in tissue culture?