331. Photosynthesis includes

A Light phase
B Dark phase
C Light and dark phase
D None of the above
Answer :   Light and dark phase
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332. Conditions necessary for photosynthesis are

A Light and suitable temperature
B Choropyll and water
C Carbon dioxide
D All of the above
Answer :   All of the above
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333. The process of taking in CO2 by plants and releasing O2 is termed as

A Transpiration
B Respiration
C Photosynthesis
D Endosmosis
Answer :   Photosynthesis
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334. Which of the following plants are Low CO2 compensation plants

A C3 - plants
B C4 - plants
C C2 - plants
D Alpine plants
Answer :   C4 - plants
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335. How much energy in terms of ATP equivalents is consumed in the photosynthetic production of a mole of hexose

A 36 ATP eq.
B 38 ATP eq.
C 40 ATP eq.
D 54 ATP eq
Answer :   54 ATP eq
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336. Which pigment system utilimately donates e- for the reduction of NADP

A PS II
B P I
C CO2
D Plastoquinone
Answer :   P I
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337. What is the role of light in plants

A Necessary for photosynthesis
B Controls growth & Movement
C Controls distribution of hormones & flowering
D All of the above
Answer :   All of the above
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338. Which of the following is not a significance of photosynthesis

A Glucose synthesis for most of consumer
B Increase in green house effect
C Provides O2 for synthesis of ozone umbrella
D Provides O2 for cell respiration
Answer :   Increase in green house effect
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339. Photosynthericallyactive radiation (PAR) represents the following range of wavelength

A 400 - 700 nm
B 500 - 600 nm
C 450 - 950 nm
D 340 - 450 nm
Answer :   400 - 700 nm
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340. How many quanta are required to reduced one molecule of CO2 and produce one molecule of O2 in green plant photosynthesis

A 1
B 8
C 16
D 32
Answer :   8
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