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In Kranz anatomy, the bundle sheath cell...

In Kranz anatomy, the bundle sheath cells have

A

Thin walls, no intercellular spaces and several chloroplasts

B

Thick walls, many intercellular spaces and few chloroplasts

C

Thin walls, many intercellular spaces and no chloroplasts

D

Thick walls, no intercellular spaces and large number of chloroplasts

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The correct Answer is:
D
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In C_(4) plants, the bundle sheath cells

Assertion: In C_(4) plants, the bundle sheath cells are rich in an enzyme phosphoate carboxylase-oxygenase (PEP case). Reason: In C_(4) ,the mesophyll cells are rich in an enzyme ribulose carboxylase-oxygenase(RuBisCo)

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A plant leaf is found to have bundle sheath cells having large-sized chloroplasts full of strach 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 Rubis Co 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.

Assertion: The C_(4) plants have a speical type of leaf anatomy called kranz anatomy. Reason: Chloroplasts of bundle sheath cells have well developed grana and starch grains.

In C_4 plants, bundle sheath cells are characterised by how many features given below? Br i. Large cells, br ii- Having large number of agranal chloroplasts, br iii- Thin walled ,br iv- Impervious to gaseous exchange, br v- Presence of intercellular space.

What type of reaction occurs when Malic acid is converted into Pyruvic acid in the bundle sheath cells of C_4 plants

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 ?

Select the characters not applicable to C_(3) plants (i) Primary CO_(2) acceptor is PEP (ii) The plants have RuBisCO (iii) Initial carboxylation reaction occurs in bundle sheath cells (iv) Calvin cycle occurs only in bundle sheath cells (a) iii and iv only (b) ii, iii and iv only (c) i and ii only (d) i, iii and iv only

AAKASH INSTITUTE ENGLISH-PHOTOSYNTHESIS IN HIGHER PLANTS -Assignment(Section C)
  1. A Process that makes important differences between C(3) and C(4) plant...

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  2. The correct sequence of cell organelles during photorespiration is

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  3. In Kranz anatomy, the bundle sheath cells have

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  4. CAM helps the plants in

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  5. PGA as the first CO(2)-fixation product was discovered in photosynthes...

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  6. C(4) plants are more efficent in photosynthesis than C(3) plants due t...

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  7. Read the following four statements, A, B, C and D select the right opt...

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  8. Kranz anatomy is one of the characteristics of the leaves of

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  9. Study the pathway given below : in which of the following options...

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  10. Oxygenic photosynthesis occurs in

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  11. Cyclic photophosphorylation results in the formation of

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  12. Stroma in the chlorplasts of higher plant contains

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  13. The C(4) plants are photosynthetically more efficient than C(3) plan...

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  14. In the leaves of C(4) plants, malic acid formation during CO(2) fixati...

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  15. The first acceptor of electrons from an excited chlorophyll molecule o...

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  16. The first acceptor of electrons from an excited chlorophyll molecule o...

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  17. In the leaves of C(4) plants, malic acid formation during CO(2) fixati...

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  18. In photosystem-I, the first electron acceptor is

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  19. During photorespiration, the oxygen consuming reaction(s) occur in

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  20. Photosynthesis in C(4) plants is relatively less limited by atmospheri...

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