MCQ
At maturity which of the following is enucleate?
- ASieve cell.
- BCompanion cell.
- CPalisade cell.
- DCortical cell.
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$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact
$(i)$ Sugar $(ii)$ Protein $(iii)$ Lipid bilayer $(iv)$ Integral protein $(v)$ Cytoplasm $(vi)$ Cell wall $(vii)$ External protein
($i$) Loose connective tissue contains fibroblasts, macrophages and mast cells.
($ii$) Adipose tissue is a type of dense connective tissue located mainly beneath the skin.
($iii$) Tendons and ligaments are examples of dense connective tissue.
($iv$) Cartilage $\&$ bones are types of specialized hard connective tissue.