Q. Callus cultures are amorphous cell aggregates arising from the unorganized growth of explants on an

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Q. Which of the following is not an indirect method for the measurement of cell mass?

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Q. The cell mass can be measured optically by determining the amount of light scattered by a suspension of cells. The measurements are usually at a wavelength of

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Q. Semi-solid media, prepared with agar at concentrations of 0.5% or less are useful for the cultivation of

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Q. Balanced growth is defined as

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Q. Thiobacillus thiooxidans has an optimum pH of

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Q. Suspension cultures consist of cells and cell aggregates, growing dispersed in

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Q. Which of the following is an abiotic elicitors?

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Q. For most bacteria, the optimum pH for growth lies between

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Q. Which of the following is the necessary step for cultivating the microorganisms?

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Q. Enzymes can

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Q. The active form of enzyme is

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Q. Protein portion of an enzyme when it is combined with organic molecule is termed as

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Q. Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

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Q. Many enzymes consists of a protein combined with low molecular weight organic molecule called as

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Q. The inactive organic molecular portion of enzyme is

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Q. The inactive protein from of enzyme is

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Q. Who coined the word enzyme first?

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Q. Main function of an enzyme is to

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Q. Enzymes are

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