Photosynthesis ...

In Red $$\left({P}_{r}\right)$$ and Far-red $$\left({P}_{fr}\right)$$ (given alternately) responses of plants, it is the 

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to $$CO_{2}$$ and $$H_{2}O$$ yields $$686$$ kcal and useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?

Choose the correct answer from the alternatives given.
$$Mg^{++}$$ and $$Fe^{++}$$ are needed by plants for:

In the given figure, what are the substances labelled as $$P, Q, R$$ and $$S$$?

Read the following statements and find out the incorrect statement.

Which one of the following statements regarding photosynthesis is not correct?

Euglenoids having chlorophyll are.

Irradiation of a mixture of $$NH_3, CH_4, H_2$$ and $$H_2O$$ vapour resulted in the formation of adenine. Such experimental evidence supports Oparin's hypothesis on the origin of life because adenine is found in ____.

Choose the correct answer from the alternatives given.
The end product of the Calvin cycle is

Which of the following is not true about photosynthesis?