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Multiple Choice Questions

The correct sequence of cell organelles during photorespiration is

  • chloroplast - Golgi bodies - mitochondria

  • chloroplast-rough endoplasmic reticulum -dictyosomes

  • chloroplast-mitochondria-peroxisome

  • chloroplast-mitochondria-peroxisome

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The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

  • Manganese and Chlorine

  • Manganese and Potassium

  • Magnesium and Molybdenum

  • Magnesium and Molybdenum

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Specialised epidermal cells surrounding the guard cells are called

  • sunbsidiary cells

  • bulliform cells

  • lenticels

  • lenticels

1268 Views

Emerson's enhancement effect and red drop have instrumental in the discovery of

  • two photosystems operating simultaneously

  • photophosphorylation and cyclic electron transport

  • oxidative phosphorylation

  • oxidative phosphorylation

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A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rate of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant?

  • C4

  • CAM

  • Nitogen-fixer

  • Nitogen-fixer

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The three boxes in this diagram represent the three major biosynthetic pathways in aerobic net reactant or products



Arrows numbered 4, 8 and 12 can all be

  • NADH

  • ATP

  • H2O

  • H2O

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Anoxygenic photosynthesis is characteristic of 

  • rhodospirlllum

  • Spirogyra

  • Chlamydomonas

  • Chlamydomonas

1008 Views

In photosynthesis, the light-independent reactions take place

  • Thylakoid lumen

  • Photosystem I

  • Photosystem II

  • Photosystem II

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A process that makes important difference between C3 and C4 plants is

  • transpiration

  • glycolysis

  • photosynthesis

  • photosynthesis

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Chromatophores take part in

  • Photosynthesis

  • Growth

  • Movement 

  • Movement 

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