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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Q. Name the term which defines the ability of the plants to measure the length of photoperiods?

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Q. Which of the following is NOT the long day plant?

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Q. The movement in a plant caused as a result of differential growth is called___________

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Q. The roots of the plant are negatively phototropic.

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Q. Name the term which is given to the plants that grow at right angles to the direction of gravity.

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Q. Which of the following controls the distribution of auxin in the roots?

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Q. Which of the following is NOT a Nastic movement?

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Q. Name the term which defines the plant movement by touch?

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Q. Name the movement of the plant in response to a magnetic field?

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