Photosynthesis in Higher Plants- Quiz 4

Mark out the incorrect statement.

• PS II is found in both grana and stroma lamellae

• PS II is involved in photolysis of water

• PS I participates in both cyclic as well as non-cyclic flow of electrons.

• The reaction centre in PS II is P₆₈₀

An external source of electrons is not required in

• Cyclic photophosphorylation

• Non-cyclic photophosphorylation

• Z-scheme of flow of electrons

• All of these

Action spectrum of photosynthetic pigments was studied by Englemann on _______ in the presence of _______ bacteria.

• Spirogyra, Anaerobic

• Cladophora, aerobic

• Chlorella, Aerobic

• Scenedesmus, Anaerobic

Anoxygenic and oxygenic photosynthesis are respectively shown by

• green algae and red algae

• Red algae and monocots

• Pigmented sulphur bacteria &cyanobacteria

• BGA and higher plants

Select incorrect statement.

• Each photosystem has all the pigments except one molecule of chlorophyll a

• Action spectra is greater in blue and red light.

• Chlorophyll a and b are chief pigments associated with photosynthesis

• PS II is involved in evolution of O_2.

Primary electron acceptor in cyclic photophosphorylation is

(a) (b) (c) (d)

• Phaeophytin

• Fe-S

• PC

• Cyt-b₆-f complex

Stroma lamella membrane lacks

• PS I only

• PS II only

• PS I & ETS

• PS II & NADP reductase

For the release of oxygen, it has cross how many membranes of chloroplast

• 1

• 2

• 3

• 4

Minimum photosynthesis takes place in

• Green light

• Red light

• Blue light

• White light

Photosynthesis and respiration have which of the following in common?

• In eukaryotes, both processes occur in specialised organelles

• ATP synthesis in both processes relies on chemiosmotic mechanism

• Both use electron transport

• All of the above