Questions in photosynthesis

Select	Question
	Extraction and separation of chlorophylls and carotenoids tackles by
	The graph given below shows the effect of potassium cyanide on the rate of photosynthesis of Chlorella at different light intensities. Which one of the following can be deduced from the graph
	When a rat was placed into a closed container, it got suffocated and died but when a plant was also introduced into it, the rat survived. Who performed this experiment
	What plant is used in an experiment commonly performed in laboratory in demonstrate evolution of oxygen in photosynthesis
	Two plants A and B are supplied with $CO_2$ with $H_2 O^{18}$ and $CO_2^{18}$ with $H_2 O$ respectively which of the following plant releases O18 type oxygen in photosynthesis
	Path of carbon in photosynthesis was found by using
	Variegated leaves of a plant were supplied with radioactive carbon dioxide ($^{14}CO_2$) during an experiment. Leaf X was kept in the dark and leaf Y was kept in the light. At the end of the experiment the radioactivity in the leaves was measured and found to be as shown on the diagram below. What is the most likely explanation for the level of radioactivity found in the yellow zone of Y
	Engelmann's experiment with Spirogyra demonstrated that
	Pastur's effect is
	The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as