Q. Name the plant in which auxin was first discovered?

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Q. Which of the following is NOT a naturally occurring auxin?

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Q. Name the amino acid which acts as a precursor of auxin biosynthesis?

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Q. Mark the one, which is NOT a physiological effect of auxin?

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Q. Name the site of Gibberellins synthesis

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Q. Gibberellin that is synthesized in the shoot transported to different parts of the plant by which medium?

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Q. What is bolting?

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Q. Which of the following plant hormone is responsible for seed germination?

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Q. Name the first naturally occurring cytokines.

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Q. Which of the following plant hormone causes a delay in leaf senescence?

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Q. Name the stress hormone of the plant.

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Q. Deficiency in which of the following hormone causes dwarfism in the plant?

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Q. Light dependent changes in plant’s growth and development apart from photosynthesis is known as___________

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Q. Name the red light sensitive system?

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Q. Name the pigment, which is responsible for red color light?

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Q. Which of the following does NOT belongs to the phytochrome gene family?

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Q. Name the blue light photoreceptor of the plant?

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Q. Which of the following is NOT the function of cytochromes?

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Q. CRY 1 and CRY 2 are the nuclear protein of cryptochromes.

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Q. Which of the following has a major role in the regulation of chloroplast movement?

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