Subject :NSO Class : Class 7
Besides the arrangement as shown in the given set-up, what other arrangements must be made to test for the presence of starch in the leaves X and Y ?
A The plant should be destarched first and then used
for the experiment.
B The plant should be placed in continuous light for
2-3 days prior to experiment.
C On leaf Y, iodine solution should be put on while
leaf X should be used as control without iodine
application.
D None of these
I suppose it should be placed in dark for destarching and then in sunlight for testing whether the plant can perform photosynthesis in absence of CO2..
Ans 1:
Class : Class 8
option b
Ans 2:
Class : Class 8
option b
Ans 3:
Class : Class 5
Ans 4:
Class : Class 8
option b