Light can work in chloroplast if it is:

Main photosynthetic pigments of the plants is:

Pyrrole rings of chlorophylls is:

  Difference between chlorophyll a and b is due to difference in their:

All of the following functions are attributed to carotenoids except:

It is also called as energy conservation phase of photosynthesis:

Reaction center of a photosystem does not include:

Main difference between photosystem I and II lies at:

Photoexcited electrons pass from PS II to PS I via:

The    pathway    of    electrons    through    two    photosystems     during    non-cyclic photophosphorylation is known as:

How many photons are required to excite 16 electrons?

Cyclic photophosphorylation happens when chloroplast is:

Ferredoxin can be oxidized by:

By which mechanism ATP are formed during photosynthesis:

All of the following are required for Calvin cycle except:

During Calvin cycle, carbon fixation refers to initial incorporation of CO₂ into:

First recognizable compound of Calvin cycle is:

Products from light reactions are not involved in which of the following during Calvin cycle?

The most abundant protein in nature?

The reaction by which a glucose molecule splits to form two molecules of pyruvic acid:

  All of the following are required for glycolysis except:

It is the product of glycolysis in absence of oxygen:

The first step in Krebs cycle is the union of acetyl CoA with:

All of the following are formed when α-ketoglutarate is converted into succinate during Krebs cycle except:

In respiratory chain, NADH is oxidized by:

During cellular respiration, increased level of ATP will inhibit most commonly:

In chemiosmosis during respiration, protons are pumped across:

In the conversion of glucose to two molecules of pyruvate, which of the following does not occur?

All of the followings are properties of chlorophyll a except:

The wavelengths of visible light that is most absorbed by carotenoids is:

Which one of the following is lipoid in nature?

The energy stored in the form of H⁺ ions gradient across the thylakoid membrane is actually:

What will be the total number of carbon dioxide molecules required to produce 10 molecules of glucose from Calvin cycle?

In Krebs cycle the third NADH is produced as a result of:

During light reaction of photosynthesis                  is oxidized and                 is reduced:

Elements which are common in head and tail of chlorophyll molecule:

Which is the correct order of energy transfer from accessory pigments to main photosynthetic pigment?

Photosynthetic pigments absorb visible light with wavelength:

Spectrophotometer is used to measure: