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question_answer1) Cytokinin is a hormone whose main function is [DPMT 1983; MP PMT 1980]
question_answer2) Which hormone is concerned chiefly with cell division in plants [BHU 1984; DPMT 1985; MP PMT 1989; CBSE PMT 1988; AFMC 2000]
question_answer3) Which of the following causes delaying of senescence [CPMT 2000; AIIMS 2001; BHU 2004]
question_answer4) The word ?cytokinin? which induces cell division was given by [JIPMER 1985]
question_answer5) Leaf fall can be prevented by [CBSE PMT 1989]
question_answer6) For plant tissue culture, among the following which one is required [BHU 1983]
question_answer7) Which of the following is capable of delaying yellowing of leaves [DPMT 1980]
question_answer8) Zeatin has been obtained from
question_answer9) Which of the following is a coconut milk factor [CBSE PMT 2000, 03; Manipal 2005]
question_answer10) Zeatin is a
question_answer11) Which of the following is a kinetin derivative
question_answer12) Discovery of which one of following is connected with the use of an old sample of DNA in a culture medium
question_answer13) An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis in root of or Leaf aging is retarded by [DPMT 1984; CPMT 1985; CBSE PMT 1988]
question_answer14) Which of the following is indispensable in all culture [DPMT 1985]
question_answer15) Cambial tissue of Pinus radiata contains
question_answer16) Guttman (1957) found a quick increase in the amount of RNA in the nuclei on onion root after
question_answer17) RNA formation is induced by
question_answer18) Cytokinin firstly synthesized by [RPMT 1995; BVP 2003]
question_answer19) Name ?zeatin? was given by [RPMT 1995; J &K CET 2002; BVP 2003]
question_answer20) All the cytokinins are [MP PMT 1996]
question_answer21) 6-furfuryl adenine is
question_answer22) Which of the following exerts Richmond-Lang effect i.e. prevents loss of chlorophyll
question_answer23) The chief role of cytokinin is
question_answer24) Cytokinesis refers to [KCET 1994]
question_answer25) Which of the following induces cell division in a cell [AFMC 1997]
question_answer26) A plant hormone used for inducing morphogenesis in plant tissue culture is [CBSE PMT 1998]
question_answer27) Which of the following induces flowering in short day plant [AFMC 1997]
question_answer28) The cut flowers and vegetables can be kept fresh a long period by this plant hormone [Kerala PMT 2004]
question_answer29) Senescence is inhibited by [Orissa JEE 2004]
question_answer30) Pruning of plants promotes branching because the axillary buds get sensitized to [AIIMS 2004]
question_answer31) Cytokinins are formed in [BVP 2004]
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