Membrane of vacuoles is knows as

1. tonoplast
2. chromoplasts
3. sarcolemma
4. protoplast
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Answer: A
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Regulatoion of ion exchange in vacuoles is through

1. pores in nuclear membrane
2. tonoplast
3. diffusion
4. cell membrane
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Answer: B
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Organic substance that give the hardness and toughness to plants

1. sclerenchyma
2. parenchyma
3. vascular cambium
4. All
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Answer: A
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Most of the schlerenchyma cells are

1. living
2. found in the cortex
3. non living
4. both b and c
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Answer: D
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Which of the following are the types of sclerenchymatous cells

1. tracheids
2. sclereides
3. vessels
4. All
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Answer: D
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Which type of cells are found in nuts and seeds to provide protection

1. tracheids
2. sclereides
3. vessels
4. none
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Answer: B
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Long Water conducting pipe of xylem comprise of

1. vessesl
2. Tracheae
3. sclereids
4. both a and b
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Answer: D
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Secondary wall is absent in

1. parenchyma cells
2. collenchyma cells
3. sclerenchyma cells
4. none
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Answer: B
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The cells of plants which have ability to divide and develop into another type of cell

1. collenchyma cells
2. sclerenchyma cells
3. parenchyma cells
4. All
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Answer: C
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Young herbaceous part of plants are mostly suported by

1. sclerenchyma cells
2. collenchyma cells
3. parenchyma cells
4. All
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Answer: B
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