22704. Which of the following is true about Agrobacterium tumefaciens?
22705. In the liposome mediated gene transfer in plants, nucleic acids are
22706. Advantage of microprojectile method over microinjection method for gene transfer in plants include
22707. On Ti-plasmid T-region or T-DNA is flanked by a direct repeat of
22708. Agrobacterium tumefaciens is a
22709. Microprojectile method of gene transfer in plants involves delivery of DNA
22710. Which of the following genes are constitutively expressed and control the plant induced activation of other vir genes?
22711. Integrated octopine T DNA occurs as
22712. Liposomes mediated gene transfer in plants involves
22713. Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?
22714. Opines that are present in crown gall tumour include
22715. Intermediate vectors containing T-DNA are conjugation deficient. Thus conjugation is mediated in presence of which of the following plasmid?
22716. Which of the following is true about T DNA?
22717. Which of the following is not true about the direct repeats flanking T-DNA?
22718. The left segment of octopine T-DNA (TL) is necessary for
22719. Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?
22720. The right segment of octopine T-DNA (TR) is necessary for
22721. Opine synthesis is the property
22722. Virulent strains of Agrobacterium contain large Ti-plasmids, which are responsible for the DNA transfer and subsequent disease symptoms. It has been shown that Ti-plasmids contain
22723. The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as
22724. T-DNA transfer and processing into plant genome requires products of which of the following genes?
22725. Because of large size of Ti-plasmid, intermediate vectors (IV) are developed in which T DNA has been subcloned into
22726. The transfer of intermediate vectors into Agrobacterium are brought about by
22727. In response to the activating signal molecule, an endonuclease is produced that causes nicks in the T-DNA. It is encoded by
22728. Microinjection involves
22729. Which of the following are used as selection marker for the cells transformed with Agrobacterium?
22730. Vir genes required for the T-DNA transfer and processing are located
22731. Plant transformation vectors based on Agrobacterium can generally be divided into
22732. Virulence trait of Agrobacterium tumefaciens is borne on
22733. The size of the virulent plasmid of Agrobacterium tumefaciens is
22734. Which of the following is not true about the helper plasmids?
22735. Which technique is used to introduce genes into dicots?
22736. Direct DNA uptake by protoplasts can be stimulated by
22737. The last Buddhist empire in India was that of :
22738. Who built the mausoleum of Jahangir and where ?
22739. Which one deals with the study of diseases?
22740. Alezander fought Porus on the banks of the river
22741. Gypsum is beneficial for
22742. The study of interaction between living organism and environment is called
22743. Lichen involves two organisms as
22744. A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
22745. Archaeabacteria differ from the true bacteria as they have
22746. In the bundle sheath of C4 plant __________ is/ are less than mesophyll.
22747. Triticale is derived by crossing
22748. The major source of sugar in the world is
22749. Triticale, the first man made cereal is an example of
22750. Mycorrhizae are symbiotic associations between
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