311. Which of the following is used during discovery of calvin cycle

A Spirogyra
B Volvox
C Chlamydomonas
D Chlorella
Answer :   Chlorella
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312. Solarisation is a process in which

A Sugar are formed with the help of solar energy
B Chlorophyll is formed
C Destruction of chlorophyll and ultimate death of protoplasmic components
D Mobilization of light energy
Answer :   Destruction of chlorophyll and ultimate death of protoplasmic components
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313. Oxygen during photosynthesis comes from water was proved by O18 experiment

A Ruben and Kamen
B Hill
C Warburg
D Blackman
Answer :   Ruben and Kamen
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314. Which cofactor is necessary for photolysis of water

A Mg
B Mn
C Fe
D Cu
Answer :   Mn
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315. Basic structure of all chlorophyll comprises of

A Cytochrome system
B Flavoproteins
C Porphyrin system
D Plastocyanin
Answer :   Porphyrin system
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316. During monsoon, the rice crop of eastern states of India show lesser yield due to limiting factor of

A $$C{O_2}$$
B light
C temperature
D water
Answer :   light
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317. Kranz anatomy is typical of

A $${C_4}$$ plants
B $${C_3}$$ plants
C $${C_2}$$ plants
D CAM plants
Answer :   $${C_4}$$ plants
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318. Tracer element are

A Micro-elements
B Macro-elements
C Radio-isotopes
D Vitamins
Answer :   Radio-isotopes
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319. The correct sequence of cell organelles during photorespiration is :

A Chloroplast-Golgibodies-mitochondria
B Chloroplast-Rough Endoplasmic reticulum, Dictyosomes
C Chloroplast-peroxisome-mitochondria
D Chloroplast-vacuole-peroxisome
Answer :   Chloroplast-peroxisome-mitochondria
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320. Pigment system-I is concerned with

A Photolysis
B Cyclic photophosphorylation
C Non-cylic photophosphorylation
D Oxidative phosphorylation
Answer :   Cyclic photophosphorylation
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