Q. Normally CO2 and O2 enter a plant by

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Q. The cohesion-tension theory of water movement helps to explain how water moves from soil into root?

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Q. When guard cells swell

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Q. Water moves into roots of plants by

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Q. Organogenesis is

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Q. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?

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Q. In a callus culture

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Q. Protoplasts are the cells devoid of

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Q. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

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Q. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?

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Q. Cellular totipotency is the property of

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Q. Agrobacterium based gene transfer is efficient

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Q. The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as

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Q. Cell fusion method includes the preparation of large number of

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Q. Subculturing is similar to propagation by cuttings because

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Q. The ability of the component cells of callus to form a whole plant is known as

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Q. What is/are the benefit(s) of micropropagation or clonal propagation?

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Q. A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.

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Q. Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with

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Q. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?

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