For keeping stomata open, besides K+ ions the guard cells require a constant supply of

Related MCQs

• Which option is correct for the correctly matched groups for the column i;column ii and column Column I Column II Column III (a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it (b) Active potential (ii) Na+ Channel is closed (f) Last for very short time (c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes (d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane
• Stomata open during day time because the guard cells (CPMT 1987)
• Stomatal aperature is surrounded by guard cells and opens when guard cells are
• Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements (i) cone cells are less sensitive than Rod cells (ii) They are responsible for colour vision (iii) Erythrolobe is photopigment which is sensitive to red colour light (iv) They are absent in fovea of retina
• Guard cells differ from epidermal cells in having. (CPMT 1993, CBSE 2011)
• Stomata open during day time due to (Wardha 2005)
• Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following . Which of the cells are least likely to be replaced by new cells ?(C.B.S.E 2005)
• In guard cells when sugar is converted into starch, the stomatal pore (CBSE 1997)
• Starch of guard cells is converted into PEP through. (Guj. CET 2008)
• Guard cells regulate (Orissa 2008, CBSE 2009)