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1951.

What is the difference between osmosis and diffusion? In chemistry

Answer» Osmosis - the movement of water molecules through a selectively permeable membrane.Diffusion - the movement of particles from higher concentration to lower concentration till the concentration become equal.
Osmosis is the movement of water molecules from higher concentration to lower concentration.Diffusion is the movement of air molecules from high to lower concentration.
Diffusion is the movement of air molecules whereas the movement of water molecoles is osmosis
1952.

Garmio mein Hame Kis Tarah Ke kapde pehne chahiye

Answer» Cotton clothes because they absorb sweat easily
Nanga ghum maza aye gaa
Cotten Clothes because they get easily evaporated.
Cotton
Cotton fabric
1953.

How many organelles in a cell have double layer membrane

Answer» Nucleus
Chloroplast and mitochondria
gsgdvedg
1954.

Defination of scaler and vector quantity

Answer» Scaler quantity has only mignitude ex.speed , mass while vector quantity has magnitude as well as direction ex. Displacement acceleration
Vector quantity are those quantity which depends upon direction and magnitude whereas scaler quantity depend upon magnitude only
1955.

Why should we wear cotton clothes in summer?

Answer» We should wear cotton clothes in summer because during summers we tend to sweat a lot and cotton fabric absorbs this sweat and helps the body to cool down. ... Cotton allows better air circulation, which helps in absorbing and removing body moisture caused by sweat.
1956.

Definition of cell organelle

Answer» Cell contain some specific components called cell organelles . They enable cell to perform different functions
1957.

What is circular motion and what is its unit

Answer» Any thing which move on its fix orbit but change its direction with time is called circular motion. E.g. watch,wheel of cycle. Its unit is m/s.
1958.

In what direction does the buoyant force on an object immersed in liquid act

Answer» An object immersed in a liquid, whether it floats or sinks or stays suspended , always experiences buoyant force in the upward direction. This is because the pressure increases as we go deeper into a liquid. If pressure did not increase with the depth of the liquid , buoyant force would not even exist.
1959.

A body that have uniform acceleration but zero velocity?

Answer» An object with a constant acceleration but zero velocity is not possible, because according to the definition of acceleration, acceleration is the rate of change in velocity. If an object is at zero velocity it does mean that it is at rest. So there is no change in velocity, hence no acceleration.
1960.

How do we get honey

Answer» Actually ? Honey is vomit of ? bee\'s
1961.

What is uniform speed

Answer» When an object covers equal distance in equal intervals of time then the motion is said to be uniform speed or uniform motion
1962.

State the function of cromosomes

Answer» Chromosomes are composed of DNA and proteins. Functional segment of DNA are genes which contains information necessary for Inheritance of of characteristics from parents to offspring
it provide genes to off generation
1963.

Whar is cell

Answer» Cell is the functional and structral unit of life.
It is the structural and functional unit of life
1964.

Write down the names of two nucleic acid . What are their functions

Answer» DNA AND RNA
1965.

How many molecules in ION2 and how?

Answer»
1966.

What type of motion

Answer»
1967.

Example of condensation

Answer» Due forming on grass in early morning
1968.

How small are the particles of matter ?please give me answer

Answer»
1969.

Osimos

Answer» Osmosis is the pasaage of water from the region of high water concentration to the region of low water concentration
The movement of water from higher concentration to lower concentration is called osmosis
1970.

what is difference between melting and freezing point

Answer» Melting point -the process in which a solid on heating changes into a liquid is called melting e.g .ice changes into mater on heatingFreezing point - the temperature at which liquid is converted into solid is called freezing point e.g. water changes into ice
1971.

Atp

Answer» When we need energy sedenly mitochondria produce ATP
Its full form is ADENOSINE TRIPHOSPHATE which is realesed by mitochondria
Atp is the energy currency present in mitochondria
1972.

How sound is travel

Answer» Sound is travel in all medium by 320 m/s accept vaccum
Sound vibrations travel in a wave pattern and we call this vibration sound waves
1973.

What is divercity

Answer» Diversity means group of organisms found in a particular region
1974.

Note

Answer» questiontoanswer
Melting point of water is0degree celcius or boiling point is 100degree celcius but room temperature is above than melting point and below than boiling point i.e.normal temperature. Therefor water at room temperature is liquid.
Give reason to justify (a) water at room temperature is a liquid
1975.

Name the two different quantities which are used to describe the overall motion of the object.

Answer» Vector and Scalar quantities
Vector and scaler
1976.

2+2

Answer» 4
1977.

Rate of diffusion of liquid is higher than solid . Why?

Answer» Because its kinetic energy is very high means increase in temperature also the kinetic energy of praticles.
1978.

Differentiate between plant and animal cells

Answer» 1)Animal cell did not have cell wall but plant cell have cell wall .2)animal cell does not have croloplast but plant cell have.3)in animal cell vaccoule are small in size but in plant cell vaccoule are big.
Animal cell- it is small in size its nucles is present in centrePlant cell-it is very large in size and its nucles is ptesent in corner
1979.

How will you calculate the average speed

Answer» We can find average speed of anything when we divide total distance covered by total time consumed.
Total distance travelled/ total time taken.d1+d2+d3___________t1 + t2+t3
1980.

What is amoeba

Answer» It is a prokaryotic cell.
It is unicellular organisms
Amoeba is a bacteria it is also called slime moulds and it is eukaryotic cell
1981.

Any non-living organism are cell

Answer» No
No
No
No
No
No
No
1982.

Why does animal cell have small vacules

Answer» Because there is no large space for vacuole because it has many cell organelles
1983.

What is the role of cell division in our body ?

Answer» For growth
1984.

What is cobalt

Answer» Go to hell
Net te search mar
Pta ni
1985.

What is accerlaration

Answer» Increasing speed per second
The rate of change of velocity is called acceleration. Its SI unit is metre per second sq.
1986.

What is acceleration? Plz tell the answer in detail !!!

Answer» Change in velocity
1987.

what is velocity and acceleration

Answer» Acceleration is the change in velocity with respect to the time taken. And velocity is the distance travelled per unit time.
Acceleration is the change in velocity with respect to the time taken.
1988.

What is acceleretion

Answer» It is the change in velocity with respect to the time.
It is the change of velocity in a particular time interval.
1989.

Why noble gas are monovalance

Answer»
1990.

when we put some acitone on palm we get cooling sensation.why?

Answer» Volatile Some liquids which are vaporize quickly are known as volatile liquids acitone is of them therefore when we put it on our palm it get vaporize this vaporize cause cooling effect on our palm.
1991.

In which Kingdom when you place and organ

Answer»
1992.

Why does an earthen pot keeps the water cool in summers?

Answer» The earthen pot has a large no.of small pores in its wall through which some of the Water seep outside.This water evaporates continously by taking the latent heat of vaporisation from the earthen pot and the remaining water.
Because the main reason is (Evaporation cause cooling.)
1993.

what is diffusion what is diffusion

Answer» The movement of particles from higher concentration to lower concentration is called diffusion.
The movement of gases like carbon-dioxide from the region of high concentration to the region of low concentration is known as diffusion
The movement of substances through the region of high consentration to the region of low consentration.This process is called diffusion
1994.

What is classification of mater befin in briefly

Answer» An object is said to bein motion if it change its position with the passage of time
1995.

Give two examples of bivalent cations.

Answer»
1996.

Convert 300k to Celsius scale

Answer» You have to subtract 273 from 300k to get Celsius scale answer will be 27 degree Celsius
300-273 = 27 °C
1997.

What is respiration reaction

Answer»
1998.

If all the matter\'s are mixed then what is obtained

Answer»
1999.

What is saturated

Answer»
2000.

Who is varun kothari

Answer» Same on you ,you don\'t know your name
Shame on you how you can ask this silly type of questions don\'t waste our time plz
Varun kothari is your brother
It u only don\'t know . Don\'t ask this silly question again