Please select a subject first
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Identify the term that represents the degree of repetition of the primary basic number of chromosomes in a cell.
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From the following identify the statements that are CORRECT with respect to homologous and non-homologous region of X and Y chromosomes.
i. Non-homologous region of X chromosome is longer and contains more genes than that of non-homologous region of Y chromosome.
ii. X-linked genes are present on nonhomologous region of X-chromosome.
iii. Y-linked genes are present on homologous region of Y-chromosome.
iv. Crossing over occurs only between homologous regions of X and Y chromosomes.
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At secondary constriction I, ______ becomes organized during interphase.
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Abscisic acid is a ____________ chemically.
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Which phytohormone can be categorised as stress hormone?
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Increase in abscisic acid (ABA) concentration causes ____________ in plants.
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Which one of the following is an albuminous seed?
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Chromosomal theory of inheritance was put forth by ______
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Select the correct match.
Lymphocyte : antibodies :: Basophil : ____________.
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Which pair of blood corpuscles is non-phagocytic?
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Which of the following does NOT agree with chrotnosomal theory of inheritance?
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In a healthy adult man, the type of leucocytes performing phagocytosis is ______
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During epigeal germination of seed, ______.
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Bud dormancy is induced by ______.
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Amniocentesis technique is ______.
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Experimental verification of the chromosomal theory of inheritance was done by ______.
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______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
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______ is a defensive protein useful in blood clotting.
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Intrinsic and extrinsic processes involve interaction of various substances called _______ by a step-wise or cascade mechanism.
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What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.

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