EASY
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Define xylem in plants

Important Questions on Organization of Tissues

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Which of the following is not a component of phloem?

HARD
What are the components of the transport system in highly organized plants? How are water and minerals transported in plants? What is the role of transpiration in transporting water and minerals in plants?
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 A few dried raisins are put in water for some time and then placed inside the concentrated salt solution. What we observe is, raisins:
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Identify the incorrect statements among the following.
A) Epidermal cells are parenchymatous and have small amount of cytoplasm
B) Gymnosperms have vessels in their xylem
C) In bicollateral vascular bundle, phloem is present on either side of cortex
D) Root endodermal cells have deposition of water impermeable, suberin as casparian strips
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The living component of xylem tissue is
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The xylem in plants are responsible for
MEDIUM
_____ (Xylem parenchyma/ Sieve tubes/ Collenchyma) have tubular cells with perforated walls and are living in nature.
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Given below is the image of phloem, identify (iii).

Question Image

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Survival of plants in the terrestrial environment has been made possible by the presence of    
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What do you mean by compound tissue? Explain a plant compound tissue with the help of a labelled diagram. 
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Why are xylem and phloem called complex tissues?
 
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The nucleus is not present at maturity in:
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The function of the tracheids is:
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Survival of plants in the terrestrial environment has been made possible by the presence of:
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Companion cells are associated with: 
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A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is:
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Name the components of xylem.
MEDIUM
Which of the following tissue is mainly composed of dead cells?
EASY
What are the constituents of phloem?