True false

A cell performs work by transporting a certain number of molecules along a concentration gradient

False

A process during which there is no heat transfer is called an isothermal process

False

A system is set to be in thermodynamic equilibrium when any of its properties such as temperature, pressure, volume etc change with time

False

According to the second law of thermodynamics, the amount of heat lost by the hot body must be equivalent to that gained by the cold body

False

According to the sign convention, if heat is lost by a system then heat is positive

False

An intense variable is a physical quantity whose value depends on the amount of the surface

False

An isobaric process occurs at constant volume

False

Energy may be extracted from an object either by cooling, compression, or extraction of matter

False

Enzymatic reactions are examples of isotropic systems

False

For an isolated system entropy does not change during irreversible processes

False

Heat and work are both exact differentials

False

Homogenous thermodynamic system has two or more phases, which are separated from one another by definite bounding surfaces

False

If U2 is bigger than U1, delta U will be negative

False

Increasing energy of light goes in the order ultraviolet, visible, infrared

False

It is difficult to guess the result of the toss of a coin, since there are many possibilities of equal probability

False

Leonardo da Vinci founded a school in pisa of iatro-mathematics and iatro-physics

False

Maxwells Demon can observe accurately the type and the distribution of the molecules in his room

False

Mayrr analysed blood flow by using the principles of physics

False

Poiseuille showed that respiration is simply an oxidative chemical reaction

False

Regions outside the boundaries of the system are termed extra system

False

Seven binary decisions will be sufficient to guess a card from a 32- card deck

False

Temperature and pressure are extensive variables

False

The energy of a system increases as it does work

False

The equilibrium state of an isolated system is the one in which the number of possible microscopic states is the largest

False

The first law of thermodynamics is simply the law of transformation of energy

False

The internal energy is a state function and depends on the way in which the state has been achieved

False

The internal energy of a system will increase if that system performs work against external objects

False

The internal energy of an ideal gas is a function of temperature and pressure

False

The laws of physics cannot be applied to living organisms

False

The mathematical probability P is defined as follows: P= greatest posible number of cases / number of favorable cases

False

The rate of heat transfer is the amount of heat transferred per unit area

False

The third law of thermodynamics explains the direction of flow of heat and the extent of its convertibility into work

False

Using Boltzman equation it is possible to calculate the information content of a protein

False

A Thermodynamic system is separated from the rest of the universe by a membrane, which delimits a finite volume and through which heat or other forms of energy may pass

True

A change of the system from initial to final state can be achieved through many ways that differ from one another in the amount of work required

True

A living cell reduces its entropy at the expense of its environment, using information processing

True

An organism is an intelligent, self controlled, chemical machine that is self regulated by molecular signals, molecular receptors, and transducers of information

True

Atomic disorder in a gaseous state is greater than in a liquid state

True

Biological systems select molecules from their environment. the basic information for this process of selection is stored in the structure information of the protein, which are responsible for the recognition of these molecules, and eventually for their metabolism

True

Biophysical questions have always been asked in the history of science

True

Biophysicists study the structure and function of biological molecules, cells and organisms using the principles and methods of physics

True

Biophysics is descriptive science that applies the approaches and methods of physics to study biological systems

True

Calorimetric studies of heat generation of mammals were contacted by Lavoisier and laplace

True

Changes in a thermodynamic system are often described by differentials of its state variables

True

Conjugate variables are sets of intensive and extensive variables whose product has the dimensions of energy

True

Despite many attempts, quantification of semantic information has not yet been achieved

True

Differentiation means finding slopes all the rate of change of one variable with respect to another

True

Disorder is quantified in terms of the number of micro states

True

Dissipative structures are stationary states with completely new qualities

True

Each thermodynamic process is distinguished from other processes in energetic character, according to what parameters, such as temperature, pressure, or volume etc are held constant

True

Equilibrium thermodynamics is the systematic study of transformations of matter and energy in systems as they approach equilibrium

True

Flipping a coin ones will give us events head and tail each with probability 1/2, and thus a single flip of a coin gives us 1 bit of information

True

For a given amount of substance temperature, pressure and volume are not independent from each other.they are connected by an equation of state

True

For an ideal gas, the work equals negative the heat in an isothermal process

True

For an isolated system, since there is no heat or work transferred with the surrounding, delta U= 0

True

Force displacement is a conjugate pair

True

Greater uncertainty means that a large number of yes-no questions have to be answered to get the result

True

Heat and work and not state variables

True

Heat and work our path dependent quantities

True

Heat as a specific property : any form of energy can be completely transformed into heat, but heat itself can only partially be converted into work

True

Heat flows spontaneously from the hotter to the colder body and not in the reversible direction

True

If the volume of gas is kept constant, that gas can do no work

True

In the microphysical world the so-called effective parameters are used

True

It is not necessary to know the absolute value of internal energy of a system.what is required in different processes is simply the change in internal energy as the system goes from initial to final stage

True

It is not possible to find the absolute value of internal energy of a system because it involves quantity (e.g. translational, vibrational and rotational kinetic energys), which cannot be measured

True

It is now generally accepted that the laws of physics apply to living organisms as much as they apply to inanimate matter

True

Molecular biology is a largely descriptive science

True

Most thermodynamic equations are functions with several variables

True

Reversible thermodynamic process is a process, which develops so slowly as to allow each intermediate step to be an equilibrium state

True

Small changes in a state function with several variables can be represented by a total differential. for this, all partial differentials of this function must be added

True

The Demon requires information to carry out the storing of molecules

True

The German physicist and physiologist Helmholtz said the foundations for the theories of vision and hearing

True

The amount of heat necessary to change the state of the system depends on the path

True

The change in entropy is equal to the heat added to a system divided by the temperature at which the heat is added

True

The first law of thermodynamics established the equivalence between heat and work but says nothing about the mutual convertibility

True

The first law tells us about the energy balance but not about the direction in which the process proceeds

True

The impossibility to construct a perpetual motion machine led to the universal acceptance of the principle of conversation of energy

True

The internal energy is an extensive property of a system while the internal energy per mole is an intensive state property of that system

True

The laws of thermodynamics postulate that energy can be exchanged between physical systems as heat or work

True

The logical conclusions which led to the derivation of the Boltzman equation are the same as those on which the Shannon relation is based

True

The pressure, temperature and chemical potential are the generalised forces, which drive the generalised changes in volume, entropy and particle number respectively

True

The term biophysics was first introduced by Karl Pearson in 1892

True

The theory of action potential propagation was developed by the Nobel Prize winners Huxley and Hodgin

True

The thermodynamic probability is the total number of microscopic states compatible with the macroscopic state of the system

True

The total energy of an isolated system remains constant although it may undergo transformations from one form to another

True

The total energy of the system and its surroundings is conserved

True

The unit of information content is determined by the unit of the factor K in the Shannon equation and is the bit

True

The use of a magnifying glass has just as little to do with biophysics as the use of most up-to-date optical or electronic measuring instruments

True

The work which is done when a gas is compressed by a pressure p resulting in a volume change dV, is dW p = -pdV

True

Thermodynamic systems process energy, but not heat or work.heat and work are transfer phenomena

True

Heat and work cannot be expressed as a difference between their end states

false

Modern biophysics has made profound contributions to subjects normally considered a part of classical biology, such as evolution and immunity

false

The information on the numbers of micro states in a given macro state is contained in a function known as mathematical probability

false

Thermodynamics is the field of physics that studies the effects of changes in temperature, density and volume on physical systems at the microscopic scale

false

Bioluminescence is one of the most ancient objects of biophysical exploration

true

Density is an intensive variable

true

The internal energy of a system is a concept similar in type to that of pressure, and can be defined as the sum of kinetic and potential energy of the particles of the system

true

The syntatic information content of a DNA molecule provides information on the maximum storage capacity of the Genome

true

Work is the energy transfer connected with force acting through a distance

true

dU represents an infinitesimal change in internal energy

true