111. Which of the following is excited molecule during photosynthesis

A Chlorophyll
B Oxygen
C Carbondioxide
D Water
Answer :   Chlorophyll
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112. Most plants are green in colour because

A the atmosphere filters out all the colours of the visible light spectrum except green
B green light is the most effective wavelength region of the visible spectrum in sunlight for photosynthesis
C chlorophyll is least effective in absorbing green light
D green light allows maximum photosynthesis
Answer :   chlorophyll is least effective in absorbing green light
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113. The principle of limiting factors was proposed by

A Blackman
B Hill
C Arnol
D Liebig
Answer :   Blackman
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114. The chemical composition of pigments chlorophylls and carotenoids for the first time was given by

A Willstatter and Stoll
B Mayer and Anderson
C Robert Mayer
D Senebier
Answer :   Willstatter and Stoll
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115. NADPH2 is also called

A Real power
B Oxidising agent
C Power house of energy
D Reducing power
Answer :   Reducing power
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116. Photosystem II occurs in

A Stroma
B Cytochrome
C Grana
D Mitochondrial surface
Answer :   Grana
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117. For chlorophyll formation in plants elements needed are

A Sodium and copper
B Calcium and potassium
C Iron and magnesium
D Iron and calcium
Answer :   Iron and magnesium
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118. How many molecules of water would be consumed to support one calvin cycles

A One
B Two
C Four
D Six
Answer :   Two
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119. The colour of light not utilized during photosynthesis is

A Violet
B Green
C Red
D Blue
Answer :   Green
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120. In which of the following process, the light energy is converted into chemical energy

A Digestive action
B Respiration
C Photosynthesis
D Fermentation
Answer :   Photosynthesis
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