Page 3 - Home Assignment II

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Lab Work sheet-1

1. What are permanent tissues? Name the types of permanent tissues.

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2.Give one structural difference between parenchyma and collenchyma.
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3.Name the chemicals deposited in the cell wall of collenchyma and
sclerenchyma?………………………………………………………………………………
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4. In the transverse section of stem which tissue occupies larger space—
parenchyma or sclerenchyma?
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5.Name a living tissue and a dead tissue which provides mechanical support to the
plants.

MCQ

1. If your teacher asked you to select the slide showing parenchyma cells from a slide
box containing a few unlabelled slides. Which of the following would help you to
correctly identify the slide?
(a) Structure of the cells as seen under low power of the compound microscope
(b) Observing the slide with the help of a simple microscope
(c) A colour of the material on the slide
(d) None of these
2. You are shown two slides of plant tissues- Parenchyma and sclerenchyma. You can
identify the sclerenchyma by
(a) location of nucleus.
(b) thickness of cell wall.
(c) presence of mitochondria
(d) position of vacuoles

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