Available Answers

1. 1.

   Choose the most appropriate answer.

   1. The lateral meristematic tissue is also called
      1. cambium
      2. collenchyma
      3. sclerenchyma
      4. parenchyma
   2. This simple permanent tissue is found in stem and petioles of leaves.
      1. parenchyma
      2. sclerenchyma
      3. collenchyma
      4. epithelial tissue
   3. Complex tissue in plants is made up of
      1. xylem
      2. phloem
      3. xylem and phloem
      4. none of these
   4. Complex permanent tissue transports _________________ and food materials.
      1. sugar
      2. salt
      3. water
      4. none of these
   5. The fibres of jute and husk of coconut is made up of
      1. parenchyma tissue
      2. sclerenchyma tissue
      3. collenchyma tissue
      4. xylem tissue
   6. This is located on the outer side of the vascular bundle.
      1. xylem
      2. phloem
      3. fibres
      4. collenchyma
2. 2.

   Fill in the blanks.

   1. The two types of tissues present in plants are meristematic and ____________ tissues.
   2. In collenchyma the cell walls are thickened at the corners due to presence of _________________ and ______________.
   3. _______________ tissue is a kind of simple permanent tissue that has dead cells.
   4. Xylem and phloem together constitute the _______________ system of the plant.
   5. ____________ are the cells associated with transportation of food produced as a result of photosynthesis.
   6. ______________ are elongated cells with minute pores.
3. 3.

   Give one word for the following.

   1. This tissue is present at the root and it increases the length of the plant.
   2. These tissues provide mechanical strength to the stem of the plant.
   3. It is also a protective tissue located at the periphery of the roots and stem.
   4. This consists of xylem and phloem.
   5. This consists of tracheids, xylem fibres and xylem parenchyma.
4. 4.

   State if the following statements are true of false. Rewrite the false statements correctly.

   1. Plants gain height due to the activity of the complex permanent tissue.
   2. Parenchyma tissue has thin-walled cells with intercellular spaces.
   3. Vascular bundle consists of parenchyma and sclerenchyma.
   4. Phloem parenchyma is associated with transport of food.
   5. Fibres constitute the only living component of xylem.
5. 5.

   Circle the odd one out. Give reasons for your choice.

   1. sclerenchyma, parenchyma, blood, collenchyma
   2. vessels, tracheids, companion cells, fibres
   3. xylem, seive cells, companion cells, phloem fibres
6. 6.

   Differentiate between Supporting tissue and Protective tissue.