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Indole-3-acetic acid called auxin, was f...

Indole-3-acetic acid called auxin, was first isolated from

A

human urine

B

corn germ oil

C

Fusarium

D

Rhizopus

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The correct Answer is:
A
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
  1. Growth can be measured in various ways. Which of these can be used as ...

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  2. Plasticity in plant growth means that

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  3. Indole-3-acetic acid called auxin, was first isolated from

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  4. Monocarpic plants are those which

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  5. The differentiation, which continues through all the phases of growth ...

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  6. Which process is not involved in the development of grain into a matur...

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  7. Who first suggested presence of growth regulatory chemicals in plants ...

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  8. Which of the following phytohormone does not occur naturally in plants...

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  9. Who demonstrated that the severed tip of Canary grass would resume ph...

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  10. Charles Darwin and his son Francis discovered (around 1880) that a gra...

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  11. Avena coleptile auxin is

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  12. The curvature causing stimulus is active on the dark side of the coleo...

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  13. In decapitated plants, axillary buds are activated because

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  14. Auxin inhibits the growth of

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  15. Apical dominance in higher plants is due to

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  16. Apical dominance is caused when auxin

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  17. The plant growth regulator involved in xylem differentiation is

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  18. The lateral buds are induced to grow when the concentration of cytokin...

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  19. Which of the following effects of auxins on plants is the basis for co...

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  20. Seedless fruits can be developed by treating the unpollinated ovaries ...

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