MCQs of Biology – Photosynthesis

Which is the correct equation of photosynthesis?

Source of liberated O2 in photosynthesis is:

‘Plants have capacity of purifying foul air’ was reported by:

Who recognized the role of light as source of energy in photosynthesis?

Photosynthesis is an eoxidation- reduction process in which ______ is oxidized:

Full form of NADP is:

Evidence for existence of two pigment systems in light reaction was given by:

The quantum yield in photosynthesis is:

‘Red drop’ effect is shown at which wavelength of light?

The phenomenon of ‘Red drop’ was discovered by:

Which is ‘reaction center’ of PS-1?

(ChI.-b 650+ ChI.-a 660+ChI.-a 670+ ChI.-a 678+ ChI.-680-690)

Term’ Assimilatory powers’ was given by:

Assimilatory powers in photosynthesis are:

Immediate electron acceptor from PS- I is:

Electron donor to PS- I is:

Photolysis of water is caused by:

Photolysis of water is helped by:

‘Z- scheme’ of electron transfer and photophosphorylation was given by:

O2 evolution and NADPH2 syntheisis occurs in:

Number of ATP molecules and NADPH2 molecules produced in cyclic photophosphorylation:

Non – cyclic photophosphorylation and O2 evolution are inhibited by:

Which is not correct for cyclic photophosphorylation?

Dark reaction of photosynthesis occurs in:

Dark reaction occurs in:

Dark reaction was first established by:

Who was not awarded Nobel Prize for tracing path of C- assimilation:

Chlorophyll synthesis is inhibited by:

Etiolation is reversed by:

Water soluble pigments of red and blue- green algae are:

The size of a chlorophyll pigment is nearly:

The pigment, which does not participate in photosynthesis:

Metabolism is essential for:

Most abundantly distributed enzyme of green tissue is:

Universal hydrogen accepter is:

CO2: NADPH2: ATP ratio in C- e plants is:

CO2: NAPH2: ATP ratio for C-4 plants is:

InPCR cycle, 6 molecules of Ribulose diphosphate are regenerated by:

Mg++ and CI- are required during transfer of electron from:

The quantum requirement of photosynthesis is:

During light reaction, how much amount of radiant energy is actually converted into assimilatory power?

During mid day hours, the level of carbon dioxide over a crop field is nearly:

At compensation point , the plant produces:

Reaction center for PS-I is:

PCR cycle occurs in:

A dicot plant, which exhibits Kranz anatomy:

In C-4 plants hexose sugar synthesis takes place in:

CO2 compensation point for C-4 plant is:

C-3 cycle was traced by M. Calvin using:

Pigment composition of higher plants resembles very closely to that of: