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Who first suggested presence of growth r...

Who first suggested presence of growth regulatory chemicals in plants ?

A

Went

B

Sachs

C

Darwin

D

Paal

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

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

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

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

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

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

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  7. Avena coleptile auxin is

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

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  9. In decapitated plants, axillary buds are activated because

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  10. Auxin inhibits the growth of

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  11. Apical dominance in higher plants is due to

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  12. Apical dominance is caused when auxin

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  13. The plant growth regulator involved in xylem differentiation is

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

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

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

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  17. Fruit drop is caused by

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  18. Which hormone plays an important role in the formation of roots?

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  19. Which of the following is the effect of NAA?

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  20. The synthetic hormone used as a weedicide is

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