PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Go through the following statements. Which of these are correct:
 
1. 
a) Differentiation process causes the development of various types of meristematic tissues.
b) Simple Permanent tissue consist of only one type of cells performing a similar function and occur in homogenous groups.
c) In some cases, Parenchyma tissue contains chlorophyll and involves in the process of photosynthesis.
d) Collenchyma cells are dead cells and act as a skeleton in plants.
 
2.
a) Tracheids are one of the living component of the xylem tissue.
b) Vessels is also called tracheids because of its resemblance with trachea of insects.
c) Xylem parenchyma is the only living cells of xylem with thin cell walls.
d) Xylem fibres are efficient in conducting water due to the presence of perforations.