Q. Statement I : Stroma lamellae have both PS I and PS II but the membrane of grana lack PS II as well as NADP reductase.
Statement II :Cyclic photophosphorylation can also occur when only light of wavelength below 680 nm is available for excitation of chlorophyll molecule .

 2974  154 Photosynthesis in Higher Plants Report Error

Solution:

• Membrane of grana have both PS I and PS II but the stroma lamellae lack PS II as well as NADP reductase.
• Cyclic photophosphorylation also occurs when only light of wavelength beyond 680 nm is available for excitation