Question 7 ‘Both growth and differentiation in higher plants are open’. Comment.
Class XI Biology Chapter - Plant Growth and Development Page 254
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Here's the answer you are looking for
In microscopic organisms both growth and differentiation means the same.
That is when they differentiate or reproduce they grow. They don't grow in size as multicellular organisms. For them growth is increase in number.
But in case of multicellular organisms, growth means increase in mass or increase in cell number. But differentiation or reproduction in case of multicellular organisms is the production of new organisms.
In multicellular organisms growth and differentiation is completely different things.
Thus they are referred to as open means different.
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Here's the answer you are looking for
In microscopic organisms both growth and differentiation means the same.
That is when they differentiate or reproduce they grow. They don't grow in size as multicellular organisms. For them growth is increase in number.
But in case of multicellular organisms, growth means increase in mass or increase in cell number. But differentiation or reproduction in case of multicellular organisms is the production of new organisms.
In multicellular organisms growth and differentiation is completely different things.
Thus they are referred to as open means different.
★★ HOPE THAT HELPS ☺️ ★★
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Answer:
- Growth and development in higher plants is referred to as being open.
- This is because various meristems, having the capacity for continuously dividing and producing new cells, are present at different locations in these plant bodies.
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