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Bundle sheath cells...

Bundle sheath cells

A

Lack RuBisCO

B

Lack both RuBisCO and PEP carboxylase

C

Are rich in PEP carboxylase

D

Are rich in RuBisCO.

Text Solution

Verified by Experts

The correct Answer is:
D
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Observe the diagram and answer the following . (a) Which group of plants exhibit these two type cells ? (b) What is the first product of C_(4) cycle ? ( c) Which enzyme is there is bundle sheath cells and mesophyll cells ?

A plant leaf is found to have bundle sheath cells having large-sized chloroplasts full of starch granules. Which of the following characteristics can be observed in this plant? I. Stomata open at night. II. Presence of PEP carboxylase in mesophylls. III. Presence of RubisCo in bundle sheath cells. IV High photorespiration rate in hot summer days. V. Light reaction and carbon fixation as carbohydrates occur in different cell types. VI. The carbon assimilation rate is saturated in the early morning on summer days.

Given below are some characteristics of photosynthetic plants. Which of these are true for C_(4) plants (i) Rubisco is present in the mesophyll cells (ii) 3-carbons in the primary CO_(2) acceptor (iii) The primary CO_(2) fixation product is PGA (iv) Possess PEP case. (v) The intitial carboxylation reaction occurs in bundle sheath cells (vi) The calvin cycle takes place in bundle sheath cells (vii) 4-carbon atoms in the primary CO_(2) fixation product.

Observe the given diagrammatic representation of the Hatch and slack pathway find out labelled parts and also choose true & false statement (i) In the diagram site of primary fixation lacks RuBisCO enzyme. (ii) In Mesophyll cell the transporting C_(4) acid amy be malic acid or aspartic acid (iii) The bundle sheath cells are rich in an enzyme RuBisCO but lack PEPcase

In C_(4) plants, bundle sheath cell are characterised by

The carrier of CO_2 from mesophyll cells to bundle sheath cell is

MODERN PUBLICATION-PHOTOSYNTHESIS IN HIGHER PLANTS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS )(A. MULTIPLE CHOICE QUESTIONS (MCQs):
  1. Photosynthetically active radiation (PAR) represents the following ran...

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  2. Which elements are essential for the photophosphorylation?

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  3. Kranz anatomy is usually associated with

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  4. Which of the following statements regarding C(4) pathway is false

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  5. Consider the following statements with respect to photosynthesis (A) T...

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  6. Which reaction is given by Cornelius Van Niel:

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  7. Extrusion of electron from reaction centre of PS II leaves a hole whic...

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  8. Bundle sheath cells

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  9. Synthesis of one glucose molecule requires- reduced NADP molecules

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  10. Chlorophyll molecules are located in

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  11. The enzyme resonsible for primary carboxylation in C(3) plants is

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  12. In C3 -plants the first stable compound formed after CO2 fixation is

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  13. Chloroplasts in higher plants are------shaped

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  14. In photosynthesis, the light-independent reactions take place in

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  15. Chromatophores take part in

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  16. A plant in your garden avoids photorespiratory losses, has improved wa...

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  17. Phytochrome is

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  18. The process which makes major difference between C(3) and C(4) plants ...

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  19. With reference to factors affecting the rate of photosynthesis, which ...

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  20. Phosphoenol pyruvate (PEP) is the primary CO(2) acceptor in

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