1
Question
Each stoma is guarded by:
Each stoma is guarded by:
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Solution
The correct option is A Guard cell
The correct option is A:
Explanation of correct option:
Stomata are the small pores in plant stems or leaves that allow carbon dioxide in and oxygen and water vapor out.
Each tiny hole is called a stoma and is surrounded by a pair of cells called guard cells.
Explanation of incorrect answer:
Option B:
Palisade cells contain chloroplast to help plants in photosynthesis.
Option C:
Mesophyll cells are the principal center for photosynthesis.
Option D:
Parenchyma cells conduct most of the plant's metabolic functions, such as storage of energy and waste products support for photosynthesis, gaseous exchange.
Final answer: Each stoma is guarded by guard cells.
Guard cell
The correct option is A:
Explanation of correct option:
Stomata are the small pores in plant stems or leaves that allow carbon dioxide in and oxygen and water vapor out.
Each tiny hole is called a stoma and is surrounded by a pair of cells called guard cells.
Explanation of incorrect answer:
Option B:
Palisade cells contain chloroplast to help plants in photosynthesis.
Option C:
Mesophyll cells are the principal center for photosynthesis.
Option D:
Parenchyma cells conduct most of the plant's metabolic functions, such as storage of energy and waste products support for photosynthesis, gaseous exchange.
Final answer: Each stoma is guarded by guard cells.
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