It is produced during water stress that brings stomatal closure. (AMU 1992, CBSE 1993, 1994, 2001, RPMT 2000, JIPMER 2000, Orissa 2009, MP PMt 1992)

Related MCQs

• Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvate is changed to (A.F.M.C, 1988; CB.S.E. 1992, 1997; R.PMT. 1992; M.P.P.M.T. 1987, 88, 93, 98, 2001, 2002; AMU. 1987, 2001; J.LPME.R; 1989; C.PMT. 1991, 94; D.P.M.T. 1999; A.UMS. 1994, Mampal 200l, BV. 2002, Kerala 2003, 2004)
• Element involved in stomatal regulation its opening and closing is(CPMT 1989, 2004, Kerala 2000, Manipal 2001, Pb. PMT 2001, Uttrakhant 2001, DPMT 2002, Wardha 2003, 2011, AMU 2005)
• Wilting appears due to excessive. (MP PMT 1989, RPMT 2000, AFMC 2001, Pb. PMT 2001)
• Which of the following is water stress hormone? (CBSE-1993, MPPMT-1995, BHU 1998, CETCHD, Kerala 2000, Orissa- 2003)
• If apical region of stem is removed from any plant, what is observed? (CMPT - 1993, CBSE -1994, 2000, KARNATAKA - 2000
• Spiral developement of tendrils? (BHU 1989, CBSE 1999, 1995), (MPPMT 1992, CPMT 1993) ( CETCHO 2000,AIIMS 2000) (JK CMEE 2004)
• Krebs cycle takes place in (CPMT. 1985, 1999, M.P.P.M.T. 1997, AMU. 2000, AFMC 2002, RPMT. 2005)
• Sarcomere is distance between : ( BHU-2001, CBSE- 2004, RPMT- 2002)
• Net gain of ATP in glycolysis _______ (M.P.PMT. 1988; D.P.M.T. 1983, Pb. PMT. 2000, CPM.T. 2001)
• Guttation is the process of elimination of water from plants through (BHU 1986, JIPMER 1987, MPPMT 1995, Orissa 2003)