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TLS Online TPP Program

#Question id: 40426

    Assertion (A): Shuttle vectors are naturally occurring plasmids found in Agrobacterium tumefaciens.

      Reason (R): They contain two origins of replication, enabling them to replicate in two different host organisms

      Choose the correct option: 

      #Applied Microbiology
      1. Both (A) and (R) are true and (R) is the correct explanation of (A).
      2.  Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
      3. A) is true but (R) is false
      4. (A) is false but (R) is true
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      TLS Online TPP Program

      #Question id: 37994

      #Plant Biotechnology

      In the "Cereal crown treatment" method, which solvent is used alongside water to dissolve colchicine and facilitate its uptake? 
      TLS Online TPP Program

      #Question id: 37995

      #Plant Biotechnology

      List I (Method)List II (Detail)
      A. Colchicine-lanolin paste1. Anthers plated on supplemented medium for 1 week
      B. Repeated axillary bud treatment2. Main axis decapitated to stimulate axillary buds
      C. Anther Culture3. Cotton plugs applied for 14 days (e.g., Potato)
      TLS Online TPP Program

      #Question id: 37996

      #Plant Biotechnology

      Which of the following conditions is crucial for "Post-treatment care" after applying colchicine to plants? 
      TLS Online TPP Program

      #Question id: 37997

      #Plant Biotechnology

      For the "Plantlet treatment" method, what is the standard concentration and duration of colchicine exposure described? 
      TLS Online TPP Program

      #Question id: 37998

      #Plant Biotechnology

      Statement I: Unpollinated ovaries are generally preferred over pollinated ones for the production of haploids via gynogenesis.
      Statement II: In maize, diploidization issues during anther culture are often addressed by treating the crowns of 3–4 tiller stage plants with DMSO.

      Choose the correct answer: 
      TLS Online TPP Program

      #Question id: 37999

      #Plant Biotechnology

      Statement I: For gynogenesis, complete ovule maturation is strictly necessary for successful induction.
      Statement II: Unpollinated ovaries are generally preferred over pollinated ones for haploid production.

      Choose the correct answer: