The sieve tube cell is connected to companion cell through phloem parenchyma by
(A) Plasmodesmata
(B) Interfascicular cambium
(C) Pericycle
(D) Hypodermis
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Write some difference between Parenchyma and collenchyma tissues.
Difference Between Parenchyma and Collenchyma Cells : Parenchyma Cells Collenchyma Cells What it means Originate from ground and protoderm meristems Originate from pro-cambium. Epidermal layer of plants are composed of collenchyma cells Location Found in every delicate...
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The scientist who coined the term parenchyma’ for the pithy part of the plant ?
B) Nehemiah Grew
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Parenchyma that contains chloroplasts are called
A) Chlorenchyma
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Identify the xylem element. A) Trachieds B) Sieve cells C) Sieve tubes D) Companion cells
(A)Trachieds Xylem elements are - Trachieds, vessels, xylem fibre and xylem parenchyma
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Identify the xylem element. A) Trachieds B) Sieve cells C) Sieve tubes D) Companion cells
2 Answers
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The parenchyma that is present in tubers and rhizomes …………….
C) Storage tissue
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The Parenchyma that is seen in Xerophytes (desert plants) ………………..
B) Water storage tissue
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Sieve tubes and companion cells can be seen in
Correct option is C) Phloem
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A house has 3 tube lights and two fans. Each tube light draws 40 W and each fan draws 80 W. On the average all the tube lights
Correct option is C) 52 KWH
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Death of companion cell causes death of sieve tube cells and vice versa. Justify.
Companion cells: a. These are narrow elongated and living. b. Companion cells are laterally associated with sieve tube elements. c. Companion cells have dense cytoplasm and prominent nucleus. d. Nucleus of companion cell regulates...
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