1.

Fill in the blanks:The hydroxyl ions (OH-) through a series of steps ________ and oxygen (O2).O2 , ATP and _______are formed at the end of the light reaction.The time gap between the_________ is less than even one-thousandth of a second.The dark reaction does not _______on light. In the dark reaction, the hydrogen of the _______is used to combine with CO2 by utilizing ATP energy and to produce glucose.__________nutrition involves the intake of complex materials prepared by other organisms. Saprophytes like bread ______, yeast, ______, etc., break down the food materials outside the body and then absorb them.Some organisms take in whole material and break it down inside their ______, eg: animals.

Answer»
  1.  The hydroxyl ions (OH-) through a series of steps produce water (H2O) and oxygen (O2 ).
  2.  O2 , ATP and NADPH are formed at the end of the light reaction.
  3. The time gap between the light and dark reaction is less than even one-thousandth of a second.
  4.  The dark reaction does not depend on light.
  5.  In the dark reaction, the hydrogen of the NADPH is used to combine with CO2 by utilizing ATP energy and to produce glucose.
  6. Heterotrophic nutrition involves the intake of complex materials prepared by other organisms.
  7. Saprophytes like bread moulds, yeast, mushrooms, etc., break down the food materials outside the body and then absorb them.
  8. Some organisms take in whole material and break it down inside their bodies, eg: animals.


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