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Can girdling experiments be done in monocots? If yes, How? If no, why not? - Biology

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प्रश्न

Can girdling experiments be done in monocots? If yes, How? If no, why not?

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उत्तर

Girdling experiments cannot be done in monocots. The monocot has vascular bundles scattered all over the width of the stem. Hence, we cannot reach a specific band of phloem for girdling.

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पाठ 13: Photosynthesis in Higher Plants - Exercises [पृष्ठ ७१]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
पाठ 13 Photosynthesis in Higher Plants
Exercises | Q 5. | पृष्ठ ७१

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

By looking at which internal structure of a plant can you tell whether a plant is C3 or C4? Explain.


RuBisCo is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCo carries out more carboxylation in C4 plants?


Give comparison between the following:

Anatomy of leaf in C3 and C4 plants


In case of C4 pathway, the first step is


In C4-pathway initial carbon dioxide fixation occurs in chloroplasts of ______.


The first stable product of CO2 fixation in sorghum is ______


PEP is primary CO2 acceptor in ______.


The enzyme that is not found in a C3 plant is ______.


When CO2 is added to PEP, the first stable product synthesised is ______.


Some of these terms/chemicals are associated with the C4 cycle. Explain.

Calvin cycle


Succulents are known to keep their stomata closed during the day to check transpiration. How do they meet their photosynthetic CO2 requirements?


Observe the diagram and answer the following.

  1. Which group of plants exibits these two types of cells?
  2. What is the first product of C4 cycle?
  3. Which enzyme is there in bundle sheath cells and mesophyll cells?

A cyclic process is occurring in C3 plant, which is light dependent, and needs O2. This process doesn’t produce energy rather it consumes energy.

  1. Can you name the given process?
  2. Is it essential for survival?
  3. What are the end products of this process?
  4. Where does it occur?

What special anatomical features are displayed by leaves of C4 plants? How do they provide advantage over the structure of C3 plants?


Name the two important enzymes of C4 pathway, and explain their role in fixing CO2?


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