NATURAL SCIENCES (MEMORANDUM)
INFORMAL TEST 2.1
1. Define the following terms:
-Photosynthesis: (2)-Radiant energy is converted into
potential energy, which is stored as sugars (glucose)
and oxygen is released
-Respiration: (2)-The process in cells where sugars are
broken down and energy is released.
2 .Name the 3 requirements needed in order for
Photosynthesis to occur (3)
-Water
-Carbon dioxide
-Sunlight
3, where in living organisms does Respiration
occur? (2)
-In the cells (Mitochondria)
4. State whether the following statements are
TRUE or FALSE
-PHOTOSYNTHESIS ONLY OCCURS IN PLANTS._TRUE. (1)
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-OXYGEN IS THE MAIN PRODUCT OF PHOTOSYNTHESIS. FALSE. (1)
-RESPIRATION IS THE PROCESS IN CELLS WHERE SUGARS ARE BROKEN
DOWN AND OXYGEN IS RELEASED.__FALSE (!)
DURING PHOTOSYNTHESIS, RADIANT ENERGY IS CONVERTED TO POTENTIAL
ENERGY WHICH IS STORED AS SUGARS AND OXYGEN IS RELEASED._TRUE.
(1)
TOTAL MARKS: 13
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