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Question
Sclereids and stone cells are modified
Sclereids and stone cells are modified
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Solution
The correct option is C Sclerenchyma
Sclerenchyma is composed of dead tissue which mainly acts as protective coating on fruits and nuts. The reduced form of sclerenchyma cells with highly thickened, lignified cellular walls are known as sclereids. It forms small bundles of durable layers of tissue in most of the plants. Stone cell is a type of sclerenchyma cell that differs from the fiber cell by not being greatly elongated. It often occurs singularly or in small groups, giving rise to a gritty texture , for instance, the pear fruit, where it is known as a stone cell. It may also occur in layers, for example in hard seed coats. So, sclereids and stone cells are modified sclerenchyma.Thus, the correct answer is option B.
Sclerenchyma is composed of dead tissue which mainly acts as protective coating on fruits and nuts. The reduced form of sclerenchyma cells with highly thickened, lignified cellular walls are known as sclereids. It forms small bundles of durable layers of tissue in most of the plants.
Stone cell is a type of sclerenchyma cell that differs from the fiber cell by not being greatly elongated. It often occurs singularly or in small groups, giving rise to a gritty texture , for instance, the pear fruit, where it is known as a stone cell. It may also occur in layers, for example in hard seed coats. So, sclereids and stone cells are modified sclerenchyma.
Thus, the correct answer is option B.
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