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To explain the translocation of food, "p...

To explain the translocation of food, "pressure flow hypothesis" was proposed by

A

Levitt

B

Graft

C

E. Munch

D

M. Fujino

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Study the statements (a-d) given below & select the correct option w.r.t transport in plants. (a) Transpiration pull model is the most acceptable to explain the transport of water. (b) The translocation in phloem is not explained by pressure flow hypothesis. (c) Diffusion is a slow process and is dependent on a 'living system'. (d) A C4 plant loses only half as much water as a C3 plant for the same amount of Co2 fixed.

AAKASH INSTITUTE ENGLISH-TEST 7-Exercise
  1. Detritus food chain.

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  2. Increased level of K ^+and malate ions into the vacuole of guard celis...

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  3. To explain the translocation of food, "pressure flow hypothesis" was p...

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  4. Root pressure is a

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  5. Read the following features for brown algae a- Presence of pigments C...

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  6. Select the wrong statement.

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  7. How many total ATP are produced through ETS only from two molecules of...

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  8. In germinating fatty seeds, fats are converted to sugars by

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  9. Universal donor of blood is

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  10. Read the given statements A & B and choose the correct option. Br A- T...

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  11. What is true about photorespiration? a- It is also known as C2 cycle ...

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  12. CO2 fertilization effect signifies

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  13. How many of the following are correct regarding plant hormone ABA? Br ...

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  14. Which one lateral meristem is completely primary in origin?

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  15. If in a flower, Female reproductive part occupies the highest position...

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  16. Which of the following layer of cell wall is capable of growth and gra...

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  17. If there are 20 chromosomes in a pollen grain of a diploid plant then ...

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  18. Opposite phyllotaxy is found in

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  19. The fungus in which ascus formation occurs but no ascocarp is seen is

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  20. Protists obtain their food by ( a-)Chemosynthesis, ...

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