Photosynthesis ...

The synthesis of complex organic substances from simple inorganic raw materials in the presence of sunlight and chlorophyll is called ..........., which is a ............ process.

Visible part of electromagnetic spectrum consists of radiations having a wavelength in the range of

Who demonstrated that green plants purify the foul air produced by breathing animals and burning candles?

Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?

Who provided the evidence that glucose is formed during photosynthesis and is then stored in the form of starch?

Which one of the following equations suggests that O₂​ released during photosynthesis comes from water?

Who used a prism, green alga Cladophora and aerobic bacteria and plotted the first action spectrum for photosynthesis?

Photosynthetic pigments such as chl a chl b, xanthophyll, and carotene can be separated by which of the following techniques?

Who, after conducting experiments on purple and green sulfur bacteria, inferred that O₂​ evolved during photosynthesis comes from H₂​O not from CO₂​?

Which of the below statements is/are not correct regarding chlorophyll a molecule?

(i) Molecule formula of chl a is C₅₅​H₇₂​O₅​N₄​Mg
(ii) It is the primary photosynthetic pigment.
(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength. 
(iv) It is a soluble in water as well as petroleum ether.

Given graph represents the absorption spectra of three photosynthetic pigments, chl a chl b and β-carotene. 

Select the correct statement regarding this.

Accessory photosynthetic pigments in most green plants are 

If green plant cells are incubated with O¹⁸- labeled water, which of the following will become radioactive when the cells are exposed to light.

The red color of tomatoes, carrots, and chilies is due to the presence of a type of carotene pigment called as 

Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called as