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Which one of the following is an effective tissue of growing organs with sufficient elasticity
Which of the following plant organs do not contain collenchyma
Sclerenchymatous cells in their cell walls have large percentage of -
Which of the following plant hormones is also known as the stress hormone?
The ovule, in which micropyle lies at one end while chalaza and hilum lie at opposite end is called as:
In pteridophytes and gymnosperms which cells are present in place of companion cell
Which of following plant cells are without vacuoles and without nuclei -
The tissue responsible for translocation of food material is -
Phloem of angiosperm is different from that of pteridophytes and gymnosperm in -
Sieve tubes are suited for translocation of food because they possess
Vessels and companion cells are respectively present in the xylem and phloem of
Choose the correct option where in all the mentioned cell types possess thick, and lignocellulosic cell walls:
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