16261.PEPA, the first CO2 acceptor in C4 cycle is
5 – C compound
4 – C compound
3 – C compound
2 – C compound
16263.Photosynthesis consists of essentially two biological reaction systems, one followed by the other, the second of these system does which of the following
Fixes CO2
Traps light energy
Synthesizes starch
Work only in the presence of light
16264.Photosynthesis is a process in which
ATP is generated
NADH is reduced to NAD
Oxidative phosphorylation occurs
CO2 is reduced
16266.Donor and acceptor of electrons is the same chlorophyll molecule in
Cyclic phtophosphorylation
Photorespiration
Substrate level phosphorylation
Non-cyclic photophosphorylation
16267.Photosynthetic phosphorylation is
Oxidative process
Photo process
Both 1 and 2
None of the above
16268.Photosynthetic pigments found in the chloroplasts occur in
Thylakoid membranes
Plastoglobules
Matrix
Chloroplasts envelope
16270.Photosystem-I contains
Chl a, Chl b, carotenoid and P680
Chl a, Chl b and P690
Chl a, Chl b and P700
Chl a, xanthophyll and P700
16271.Pigment acting as a reaction centre during photosynthesis is
Carotene
Phytochrome
P700
Cytochrome
16272.Pigment system I performs independently
Noncyclic photophosphorylation
Cyclic photophosphorylation
Oxidative phosphorylation
Photolysis
16273.Pigment system-I receives radiant energy and releases electron
Chlorophyll-683
Chlorophyll-673
Chlorophyll-695
P-700
16274.Plants are known as purifiers of air due to process of
(MP PMT 996)
(MP PMT 996)
Respiration
Photosynthesis
Transpiration
Desiccation
16277.Quantasomes contain
200 chlorophyll molecules
230 chlorophyll molecules
250 chlorophyll molecules
300 chlorophyll molecules
16279.Ribulose biphosphate carboxylase enzyme catalyses the reaction between
Oxaloacetic acid and acetyl CoA
CO2 and ribulose 1, 5, biphosphate
Ribulose biphosphate and phosphoglyceraldehyde
PGA and dihydroxy acetone phosphate
16280.Scientist awarded Nobel prize in 96 for tracing the path of carbon in photosynthesis was
Calvin
Ruben
Blackman
Hatch
16281.Sugarcane shows high efficiency of CO2 fixation because it performs
Calvin cycle
EMP pathway
Hatch and Slack pathway
TCA cycle
16282.Dark reactions of photosynthesis occur in
Granal thylakoid membranes
Stromal lamella membranes
stroma outside photosynthetic lamellae
Periplastidial space
16283.Synthesis of ADP + Pi -----> ATP in grana is
Phosphorylation
Photophosphorylation
Oxidative Phosphorylation
Photolysis
16284.The brown colour of some algae is due to the presence of pigments
Chlorophyll
Phycocyanin
Carotene
Fucoxanthin
16286.The carbon dioxide acceptor in calvin cycle / C3 plants is
Phospho-enol pyruvate (PEP)
Ribulose 1, 5 – Diphosphate (RuBP)
Phosphoglyceric acid (PGA)
Ribulose monophosphate (RMP)