Photosynthesis in Higher Plants

Light plays important role for the plants to perform ________ for their survival as well as others on earth.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R). Assertion (A): Photochemical receptors in the leaves are the proteinaceous pigments located in the stroma of the…

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the…

The reaction centre in PS II has an absorption maxima at

In order to generate a crop variety with C 4 carbon fixation, a researcher expressed PEPcase enzyme from C4 pathway in leaves of the C3 plant. However, the modified C3 plant did not show carbon fixation efficiency as…

Identify the correct statements about thylakoid membranes that make those the sites of light-dependent reaction in photosynthesis. (i) Carbon dioxide and water can diffuse through the thylakoid membrane. (ii)…

Statements about the effect of $\mathrm{CO}_2$ concentration, temperature and light intensity on the rate of photosynthesis in $C_{3}$ and $C_{4}$ plants are given. Based on the statements the correct option is i) At…

Choose the correct statement(s) from the following regarding light reactions taking place in the chloroplast. (i) The $\mathrm{H}^{+}$ion concentration of thylakoid lumen is higher than stroma. (ii) Flow of…

Assertion : Photorespiration is found in all plants. Reason: In $\mathrm{C}_4$ plants, first $\mathrm{CO}_2$ fixation product is formed in bundle sheath cells.

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because

The first stable product of Calvin cycle is

Cyclic photophosphorylation involves