MANDALSIR

TRANSPIRATION CLASS XB 18.5.16 1. Water vapour evaporates from cells in the leaves of plants and exits the leaves by way of tiny pores in their leaves. What is this process called? A  Mutation   B. Excretion   C. Respiration          D.                Transpiration 2.A stick of celery is left in a beaker containing a solution of blue food colouring. After two days, the celery is taken out and it is seen that parts of the celery have turned blue. What is the name given to the blue part of the plant? A.     Stomata   B.  Phloem      C. Xylem  D. Leaf 3. Which one of the following statements about transpiration is FALSE? A.  It helps the plant cool down.     B.    It draws food up from the stem. C.  It brings water up the ...

DEAR STUDENTS OF XB YOU ALL HAVE TO PRACTICE THESE DIAGRAMS 5 TIMEs EACH IN YOUR CLASS WORK  COPY .THIS IS AN ACTIVITY OF TWENTY MARKS. It will be assessed on the basis of following points.1.Timely submission  2.proportionate size 3.correct labeling  4.neat and patiently drawn diagram