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(A) According to Clowes roots apex consi...

(A) According to Clowes roots apex consists of an inverted cup like structure.
(B) Low amount of RNA, DNA and protein is characteristic of waiting meristem.
( c) Cells of reserve meristem can divide only when the root apex gets injured.

A

All are correct

B

A and C are incorrect

C

A and B are incorrect

D

B and C are incorrect

Text Solution

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The correct Answer is:
A
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Read the following statements and find out the INCORRECT statement. a. Plant growth is unique because plants retain the capacity for unlimited growth throughout their life. b. Growth, at a cellular level , is principally a consequence of the increase in the amount of protoplasm. c. One single maize root apical meristem can give rise to more than 3,50,00 new cells per hour , whereas cells in watermelon may increase in size by up to 17, 500 times. d. Environmental signals such as light , temperature and gravity also affect certain phases or stages of growth. e. In geometric growth, following mitotic cell division , only one daughter cell continues to divide while the other differentiates adn matures.

AAKASH INSTITUTE-ANATOMY OF FLOWERING PLANTS -ASSIGNMENT SECTION B Objective Type Questions
  1. Meristem is characterized by

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  2. According to histogen theory, stem epidermis is derived from

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  3. (A) According to Clowes roots apex consists of an inverted cup like st...

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  4. Collenchyma is a type of mechanical tissue but it is not as efficient ...

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  5. Isodiametric sclereids, found in hard endocarp of coconut and fleshy p...

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  6. Main wate-condicuting element of xylem in homoxylous plants is

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  7. In trees, death of protoplasts is essential for a vital function such ...

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  8. Find set of cells connected by pit fields between their common longitu...

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  9. In old sieve tubes at the end of growing season, which of the followin...

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  10. Parenchymatous structure with intercellular spaces is

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  11. Select correct features w.r.t. trichomes in shoot system Usually uni...

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  12. The pericycle of roots is never sclerenchymatous because it

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  13. Tissue commonly known as passport point or biological check post is ch...

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  14. Seat of origin of lateral root and formation of cork cambium are featu...

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  15. Centripetal and centrifugal xylems are important features of

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  16. Memebers of Winteracae, Tetracentraceae and trochodendraceae

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  17. Which of the following vascualr bundles are always open?

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  18. The vascular bundlies in the stems of several dicots are conjoint, col...

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  19. Which is not true for monocot stem ?

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  20. Vascular bundles are conjoint, collateral, endarch and lack cambium be...

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