Q37 of 57 Page 45

If a potted plant is covered with a glass jar, water vapors appear on the wall of glass jar. Explain why?

Water vapor appears on the wall of a glass jar due to the phenomenon of transpiration. During transpiration water escapes from the stomatal openings of the leaf. This water vapor is seen on the walls of a glass jar if a potted plant is covered with it.


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35

Match the column (A) with the column (B)











(A)



(B)



(a) Fluid connective tissue


(b) Filling of space inside the organs


(c) Striated muscle


(d) Adipose tissue


(e) Surface of joints


(f)Stratified squamous epithelium



(i) Subcutaneous layer


(ii) Cartilage


(iii) Skeletal muscle


(iv) Areolar tissue


(v) Blood


(vi) skin


 36

Match the column (A) with the column (B)











(A)



(B)



(a) Parenchyma


(b) Photosynthesis


(c) Aerenchyma


(d) Collenchyma


(e) Permanent tissue



(i) Thin walled, packing cells


(ii) Carbon fixation


(iii)Localized thickenings


(iv) Buoyancy


(v) Sclerenchyma


 38

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

 39

Draw and identify different elements of phloem.