Pigments Involved in Photosynthesis

What is PAR range?

Assertion : Cyclic pathway of photosynthesis first appeared in some eubacterial species.

Reason : Oxygen started accumulating in the atmosphere after the non-cyclic pathway of photosynthesis evolved.

If chlorophyll is burnt, then which of the following is left in ash?

A pigment which absorbs red and far-red light is

Three of the graphs below show the absorption spectra of photosynthetic pigments. One graph shows the action spectrum of photosynthesis for a plant containing the pigments.

All the $\mathrm{x}$ axis show wavelength. Three of the $\mathrm{y}$ axis show light absorption. One $\mathrm{y}$ axis shows the rate of photosynthesis

The role of chlorophyll in photosynthesis is

Pigment system-I conducts

Which pigment acts directly to convert light energy to chemical energy?

Which wavelength of light carries out photosynthesis in bacteria?

The reaction centre of PS-II is_____.

The graph below represents the absorption spectrum of a major pigment contributing to photosynthesis.

Which one of the following best represents the photosynthetic efficiency of the pigment?

Chlorophyll $\text{'}\mathrm{a}\text{'}$ and $\text{'}\mathrm{b}\text{'}$ show maximum absorption in

Match the following column I with column II

A piece of carrot and a flower is put in water separately. The water becomes coloured in case of carrot but remains colourless in case of flower. It is because
 

Chlorophyll a occurs in
 

Which pigment is absent in chloroplast?

Which of the following is true?

In a molecule of chlorophyll, there is

Chlorophyll-b has the empirical formula

There are the two peaks of light absorption of Chlorophyll 'a'. The two peaks are near