Q. The mechanical method of protoplast isolation was first used by Klercker in 1892 in:

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#Question id: 39546

#Biochemistry

Match the term with its description:

Column I Column II  A. Biochemistry  1. Study of life processes at molecular level   B. Mole  2. Amount containing Avogadro number  C. Adsorption  3. Surface phenomenon  D. Osmotic pressure  4. Pressure to stop osmosis

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#Question id: 39547

#Biochemistry

Match the property with its biological significance:

Column I	Column II
A. High dielectric constant	1. Thermal stability
B. Hydrogen bonding	2. Solvent property
C. High specific heat	3. Cohesion of water
D. Osmotic pressure	4. Cell volume regulation

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#Question id: 39548

#Biochemistry

Match the photochemical law with its statement:

Column I	Column II
A. Grotthuss–Draper law	1. Only absorbed light causes reaction
B. Stark–Einstein law	2. One photon excites one molecule
C. Beer–Lambert law	3. Absorbance proportional to concentration
D. Einstein	4. Quantum theory of light

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#Question id: 39549

#Environmental Science

Nuclear energy uses mainly:

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#Question id: 39550

#Environmental Science

 Soil erosion is maximum in:

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#Question id: 39551

#Biochemistry

The main significance of organic reactions in biochemistry is: