The wave length of light absorbed by reaction centre of PS-II is?

Chemiosmosis requires

I. a membrane

II. a proton pump

III. a proton gradient

Select the correct option

Phytochrome is a

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 following physiological groups would you assign this plant?

I. Water is oxidised in PS-I not in PS-II II. Light is needed for both PS-I and PS-II III. Due to photolysis of water, formation of ATP and NADPH occurs IV. Production of NADPH and $H^+$ is associated with PS-II not PS-I Identify the true statement and select the correct option

Plastocyanin contains

A graph that plots the rate at which $C{O_2}$ is converted to glucose versus the wavelength of light illuminating a leaf is called

The substrate of photorespiration is formed in

Which of the following is NOT directly involved in the light-dependent reactions of photosynthesis?

Under conditions of high light intensity and limited CO2 availability, which process is most likely to be favored in chloroplasts?

The first event in photosynthesis is