When beet root cylinders are washed and then placed in cold water, anthocyanin does not come out. This indicates that most likely the plasma membrane is (AFMC 1990)

Related MCQs

• Match the animals listed in column-I to blood listed in column-II. (KCET 2010) Column-I Column-II (P) Man (i) Plasma and cells are colourless (Q) Earth worm (ii) Plasma colourless and nucleated RBC (R) Cockroach (iii) Plasma colourless and enucleated RBC (S) Frog (iv) Plasma red and nucleated colourless RBC (v) Plasma and RBS have haemoglobin
• Purple cabbage leaves do not pass out colour in cold water but do so in hot water becasue (AFMC 1988)
• 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
• Match the terms in column-I with suitable terms in column-II Column – I Column – II P PGAL i The plant cell wall Q Oleic acid ii Plasma membrane and membrane of organiles. R Glycerol iii Unsaturated fatty acid S Phospholipid iv Phosphate aldotriose sugar T Cellulose v Trihydroxy alcohol
• Whose water potential is less than water potential of root hair during water absorption by root hair. (Guj. CET 2011)
• Root hairs absorb water from soil when (AFMC 1988, JIPMER 1986)
• Water will be absorbed by root hairs when the externael medium is (JIPMER 1986, AFMC 1993)
• Match A and B : A B (p) Simple diffusion (i) Uphill transport (q) Faciliate diffusion (ii) Membrane protein that have a hydrophilic moiety. (r) Active transport (iii) Membrane protein that have a hydrophabic moiety. (s) Water potential. (iv) The potential energy. (v) Passive transport p q r s
• Bicarbonate formed inside erythrocytes moves out to plasma while chloride of plasma pass into erythrocytes.The phenomenon is called (Kerala 2001,2003)
• Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ? (AFMC 1998)