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Question
Read the following statements w.r.t. meristematic cells:
(i) Cells have dense cytoplasm with a prominent nucleus.
(ii) Cells possess well-developed mitochondria, plastids, and endoplasmic reticulum.
(iii) Cells possess the property to divide continuously.
(iv) Apical meristems produce primary tissues.
(v) During formation of leaves and elongation of the stem, some cells left behind from shoot apical meristem, constitute the axillary bud.
How many of the given statements are correct?
Read the following statements w.r.t. meristematic cells:
(i) Cells have dense cytoplasm with a prominent nucleus.
(ii) Cells possess well-developed mitochondria, plastids, and endoplasmic reticulum.
(iii) Cells possess the property to divide continuously.
(iv) Apical meristems produce primary tissues.
(v) During formation of leaves and elongation of the stem, some cells left behind from shoot apical meristem, constitute the axillary bud.
How many of the given statements are correct?
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Solution
The correct option is B Four
Properties of Meristematic CellsCells within meristematic tissues have special characteristics that make them unique when compared to cells in mature, specialized plant tissue. Cells within meristematic tissue are self-renewing, meaning that every time they divide, one new cell remains meristematic, while the second heads off to become a programmed or specialized mature cell.
Additionally, all cells within meristematic tissue are living, while other plant tissue can be made of both living and dead cells. Meristematic cells have thin cell walls, small or no vacuoles, which are stored organelles, and large prominent nucleus. This compares to the thick walls and small nucleus of programmed cells, which also have one or more large vacuoles. Also, meristematic cells contain a significant volume of dense liquid, while specialized cells have only a small quantity of thin liquid.
Except for the statement that the cells possess well-developed mitochondria, plastids, and endoplasmic reticulum all the other statements are true.
So the correct option is 'Four'.
Properties of Meristematic Cells
Cells within meristematic tissues have special characteristics that make them unique when compared to cells in mature, specialized plant tissue. Cells within meristematic tissue are self-renewing, meaning that every time they divide, one new cell remains meristematic, while the second heads off to become a programmed or specialized mature cell.
Additionally, all cells within meristematic tissue are living, while other plant tissue can be made of both living and dead cells. Meristematic cells have thin cell walls, small or no vacuoles, which are stored organelles, and large prominent nucleus. This compares to the thick walls and small nucleus of programmed cells, which also have one or more large vacuoles. Also, meristematic cells contain a significant volume of dense liquid, while specialized cells have only a small quantity of thin liquid.
Except for the statement that the cells possess well-developed mitochondria, plastids, and endoplasmic reticulum all the other statements are true.
So the correct option is 'Four'.
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