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A tissue made up of only one type of dif...

A tissue made up of only one type of differentiated cells is

A

P is an epithelial tissue whereas Q is a loose connective tissue.

B

T is either greatly reduced or absent but R is exclusively present in aquatic floating plants whereas Sis found in Cucurbita stems.

C

R is aerenchyma, S is collenchyma, T is xylem and U is phloem.

D

U is found in grit of guava, pear, etc., whereas the matrix of tissue P contains a flexible material called chondrin.

Text Solution

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The correct Answer is:
D
It can be inferred from the given dichotomous key that P, Q, R, S, T and U could be squamous epithelium (it does not contain chondrin), adipose tissue, aerenchyma, collenchyma, xylem and phloem respectively. Sclerenchyma found in grit of guava, pear, etc.
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