Give reason for the following-:
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4.It is difficult to pull out husk of coconut because...the cells are made up of a permanent tissue which is known as sclerenchymatous tissue.It makes the husk hard and stiff.The cells are dead..
5.Water hyacinth floats in water because it contains a parenchyma called arenchyma. which helps the plant to float in water...
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(1) This is because meristematic cells have an ability to divide and form new
cells.
(2) This is because they have cementing substance around their cell membrane which makes them stiff.
(3) It is because of collenchyma.
(4) This is because it is made up of scelerenchyma tissues.
(5) It is due to presence of large air cavities.
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