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There is no result of 'Girdling Experim...

There is no result of 'Girdling Experiment ' in monocot plant is due to :-
(a) Presence of wax layer on the surface of its stem
(b) Stem is comparatively thin
(c) Phloem is inside xylem
(d) Vascular bundles are not in specific position

A

Presence of wax layer on the surface of its stem

B

Stem is comparatively thin

C

Phloem is inside xylem

D

Vascular bundles are not in specific position

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AI Generated Solution

The correct Answer is:
To solve the question regarding the lack of results from the 'Girdling Experiment' in monocot plants, we need to analyze each option provided. ### Step-by-Step Solution: 1. **Understanding the Girdling Experiment**: - The girdling experiment involves removing a ring of bark (outer layer) from a plant stem. In dicot plants, this removal disrupts the phloem, which is responsible for transporting food, leading to the death of roots due to lack of nutrients. 2. **Analyzing Monocot Plants**: - Monocots have a different vascular structure compared to dicots. Their vascular bundles are scattered throughout the stem rather than arranged in a ring. 3. **Evaluating Each Option**: - **(a) Presence of wax layer on the surface of its stem**: While a waxy layer may affect water retention, it does not directly impact the girdling experiment's results. - **(b) Stem is comparatively thin**: The thickness of the stem does not influence the outcome of the girdling experiment. - **(c) Phloem is inside xylem**: This is true for monocots, but it does not explain why the girdling experiment yields no results. - **(d) Vascular bundles are not in specific position**: This is the key reason. Since the vascular bundles are scattered, removing the outer layer does not completely disrupt the food transport system, allowing some translocation to continue. 4. **Conclusion**: - The correct answer is **(d) Vascular bundles are not in specific position**. This explains why the girdling experiment does not yield results in monocot plants. ### Final Answer: **(d) Vascular bundles are not in specific position**
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ALLEN-STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS)-Exercise-I (Primary Internal Structure to Secondary Growth)
  1. Cork is an execellent material for making bottle stopper because it is

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  2. In monocot stems, secondary growth cannot occur because vascular bundl...

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  3. Gymnosperm wood is non-porous because it (a) lacks vessels (b) cont...

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  4. porous wood is characterised by

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  5. Outer layer of bark is (a) epidermis (b) rhytidome (c) phelloderm...

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  6. secondary growth is the production of

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  7. each annual ring or growth ring consists of two strips of

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  8. The intarfascicular cambium is situated

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  9. In which of the following monocots secondary growth is present ?

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  10. Vascular tissue having abundant vessels and fibres is

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  11. amount of secondary xylem as compared to secondary pholem formed eve...

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  12. Monocot root differs from dicot root in having

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  13. Which one increases due to cambium:

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  14. Autumn wood is distinguishable from spring wood in having

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  15. Palisade parenchyma is present on both sides in

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  16. Vascular cambium forms :- (a) Secondary xylem & secondary phloem (b)...

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  17. There is no result of 'Girdling Experiment ' in monocot plant is due ...

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  18. The collateral open vascular bundles and eustele are found in

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  19. Radial vascular bundles are found in :

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  20. Casparian bands are found in

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