22851. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
22852. Cellular totipotency is the property of
22853. Agrobacterium based gene transfer is efficient
22854. A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.
22855. Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with
22856. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?
22857. What is meant by 'Organ culture' ?
22858. Which method of plant propagation involves the use of girdling?
22859. FUELLING
22860. Which of the following statements in regard to the land revenue system of Akbar is not correct ?
22861. Normally hen’s eggs hatch in:
22862. National Science Day is observed on Februay 28 to commemorate:
22863. The Governor-General who followed a spirited “Forward” plicy towards Afghanistan was
22864. During meiosis crossing over takes place at
22865. Which of the following transposable elements are not found in plants?
22866. A plasmid used to introduce BT toxin into a plant cell
22867. The homologous chromosomes follow the process of synopsis in the
22868. When F1 plants are crossed with homozygous recessive plants, it is known as
22869. The shortest of mitotic phases is the
22870. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
22871. In the meiotic cell divison in daughter cells are produced by two successive division in which
22872. What is the approximate size (in kb) of the melon mitochondrial genome?
22873. When an organism has a life cycle with alternation of generations, the haploid generation is the
22874. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
22875. DENT
22876. CONVERSELY
22877. Which of the following chemicals is used in the making of photograph?
22878. WEAKEN
22879. We have hired an advertising agency to prepare a campaign to encourage people votes.
22880. Which of the following elements is likely to form the least polar covalent bond with hydrogen?
22881. The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that
22882. Mitochondria can be expected most numerous in
22883. Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?
22884. Lysosomes are associated with
22885. Which cell type is likely to have the most mitochondria?
22886. Tonoplast is a membrane around
22887. A cell without cell wall is called
22888. Chemical energy is supplied to eukaryotic cells by
22889. Which part of a plant contains the male sex cell?
22890. "The universe tends towards maximum disorder" is stated by
22891. Water content of active protoplasm is
22892. Which of the following is not an electron carrier class in the electron transport chain?
22893. What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?
22894. The cellular organelle associated with photosynthesis is the
22895. Cellular metabolism is an example of
22896. Which of the following experimental results does not support Mitchell's chemiosmosis theory?
22897. Both plant and animal cell possess
22898. The cellular organelle associated with secretion is the
22899. Which of the following statements about mitochondrial proteins is true?
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