Q5 of 386 Page 155

Name the different components of xylem and draw a living component.

Xylem is a complex vescular tissue which is composed of several types of cells. Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres. Only xylem parenchyma is the living component.


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3

Match the items of column A and column B











Column A



Column B



(a) Stratified squamous epithelium


(b) Striated muscle


(c) Fluid connective tissue


(d) Filling the space inside the organs


(e) Adipose tissue


(f) Surface of joints



(i) Subcutaneous layer


(ii) Cartilage


(iii) Skeletal muscle


(iv) Alveloar tissue


(v) Blood


(vi) Skin


 4

Match the column A with column B











ColumnA



Column B



(a) Arenchyma


(b) Collenchyma


(c) Parenchyma


(d) Permanent tissue


(e) Photosynthesis



(i) Thin walled packing cells


(ii) Carbon fixation


(iii) Localised thickening


(iv) Buoyancy


(v) Sclerenchyma


 6

Draw and identify different elements of phloem.

 7

Write true (T) and false (F).

(a) Epithelial tissue is protective tissue in animal body.


(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.


(c) Epithelial cells have a lot of intercellular spaces.


(d) Epithelial layer is permeable layer.


(e) Epithelial layer does not allow regulation of materials, beyween body and external environment.