Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

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#Question id: 39543

#Biochemistry

Assertion (A): Molarity of a solution changes with temperature.

Reason (R): Volume of solution changes with temperature.

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#Question id: 39544

#Environmental Science

 Most efficient renewable energy source among the following is:

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#Question id: 39545

#Biochemistry

Assertion (A): Osmotic pressure is preferred for determining molecular weight of biomolecules.

Reason (R): Osmotic pressure can be measured at room temperature.

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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

TLS Online TPP Program

#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

TLS Online TPP Program

#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