“In Agrobacterium-mediated transformation of a plant using a binary vector construct,” Complete the above statement with the correct option. (1) All transgenic plants generated would show similar levels of transgenic […]
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Correct facts about Agrobacterium-mediated plant transformation
Given below are a few statements on Agrobacterium mediated transformation of plants. Which one of the following statements is CORRECT? (1) T-DNA transfer occurs from left border to right border. […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
True statements about Agrobacterium–plant interaction
Following are some statements about Agrobacterium — plant interactions (A) Agrobacterium transfers a part of its chromosome into plant cell. (B) Agrobacterium transfers a part of one of its plasmid […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Interpreting vir mutants using lacZ fusions in Agrobacterium
A transposon carrying a promoterless ß-galactosidase (lac Z) was used to create insertional mutation in the vir region of Ti-plasmid of Agrobacterium tumefaciens. All the mutants in which lac Z […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Identifying the incorrect step in Agrobacterium infection of plant cells
Which of the following statement is NOT true during infection of plant cell by Agrobacterium? (1) The protein products of virulence genes Vir A and VirG perceives acetosyringone (2) The […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which gene should be silenced to increase tomato shelf‑life?
To increase the shelf-life of tomato, which of the following genes should be silenced? (1) ACC synthase (2) EPSP synthase (3) […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which Agrobacterium Vir proteins act inside plant cells?
Agrobacterium Ti plasmid vectors are used to generate transgenic plants. The following are examples of vir gene encoded proteins that are important for transfer of T-DNA in to plants. A- […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Functions of Vir proteins during Agrobacterium T-DNA transfer
Match the following Vir proteins with their correct function during Agrobacterium mediated transfer of T- DNA to plant cells. (1) A-(i), B-(ii), C-(iii), D-(iv) (2) A-(iv). B-(i). C-(ii), D-(iii) (3) […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Sequence of events in Agrobacterium T-DNA transfer
Given below are four statements related to Agrobacterium-mediated transfer of T-DNA into plant cells: A. Production of single-stranded T-DNA by VirD1 and VirD2 proteins. B. Interaction of VirE2 with VIP1 […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Why Agrobacterium-based transgenic plants do not form tumors
Agrobacterium tumefaciens, also known as natural genetic engineers, causes crown-gall disease in plants. However, when the same bacteria are used to raise transgenic plants with improved agronomic traits, no such […]
