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Biology NEET - XI: Chapter 6- Anatomy of Flowering Plants Part 4

Biology25 CardsCreated about 2 months ago

This deck covers key concepts from Chapter 6 of the NEET Biology syllabus, focusing on the anatomy of flowering plants. It includes questions and answers about xylem, phloem, and root structures.

Are tracheids living?

No
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Key Terms

Term
Definition
Are tracheids living?
No
Which element forms the major part of gymnosperm xylem?
Tracheids
What is the characteristic feature of angiosperm xylem?
Presence of vessels
What are xylem fibres made of ?
Sclerenchyma
Which xylem element helps in radial conduction of water?
Ray parenchymatous cells
Exarch condition is found in
Roots

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TermDefinition
Are tracheids living?
No
Which element forms the major part of gymnosperm xylem?
Tracheids
What is the characteristic feature of angiosperm xylem?
Presence of vessels
What are xylem fibres made of ?
Sclerenchyma
Which xylem element helps in radial conduction of water?
Ray parenchymatous cells
Exarch condition is found in
Roots
Endarch condition is found in
Stem
What is also called bast in plants?
Phloem
What is the conducting part of phloem called?
Leptome
Do seive tube elements have cytoplasm?
Yes
What are called the RBC's of plant kingdom?
Seive tube elements
Do seive tube elements ever possess a nucleus?
Yes. Young seive tube elements possess a nucleus.
What type of cells are companion cells?
Parenchymatous cells
How are companion cells and seive tube elements connected?
Through pits in their common longitudinal walls.
Phloem parenchyma is absent in which plants?
Monocots
What are jute, flax and hemp fibres?
Phloem fibres
What are trichoblast cells in plants?
Cells which have root hair
What happens when root hair of plants die?
Epiblema becomes suberised
Barrel shaped endodermal cells are present in
Dicot roots
Single layered pericycle is present in which dicot root?
Sunflower
Multilayered pericycle is present in which dicot root?
Mulberry
What is the shape of xylem in dicot roots?
Star shaped
How many vascular bundles are present in a dicot root?
2 to 4
Which monocot root has single layered pericycle?
Maize
Which monocot root has multilayered pericycle?
Smilax