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701.

Define the cell theory

Answer» The fundamental and structure unit of living called cell theory
702.

What is exact meaning of Bose-Einstein condensate?what are it\'s features?

Answer» BEC is the fifth state of matter. Physically, the BEC is just opposite to the plasma state. It is very rigid near absolute zero (0k or _273.16°C) at all this molecular motion stops.
703.

What is fodder crop? Give 10 examples.

Answer» Fodder crop are the crops eated by cows buffalloes ex; oats bajra
704.

What is the different between displacement and distanc.,

Answer» Actual distance between initial and final point is called distanceShortest distance(straight line)between initial andfinal point is displacement
705.

Name the cleansing organelle in a cell

Answer» Lysosomes are called cleansing organelles of cell.they are popularly also known as dustbins of cells.lysosomes digest old cell organelles,and attack first on any foreign particle entering the cell to destroy
706.

What is sound? Actually I want proper introduction

Answer» vibrations that travel through the air or another medium and can be heard when they reach a person\'s or animal\'s ear is called sound.
707.

What is a phosphorus

Answer» the chemical element of atomic number 15, a poisonous, combustible non-metal which exists in two common allotropic forms, white phosphorus, a yellowish waxy solid which ignites spontaneously in air and glows in the dark, and red phosphorus, a less reactive form used in making matches.
708.

The tendency of flow is called_______.

Answer» Fluidity
Fluidity
Fluidity
Fluidity
Fluidity????
709.

Explain the cell theory

Answer» The cell theory was proposed by Theodor schwann , MJ schleiden and Rudolf virchow ... Its postulates are -1. Cell is the functional unit of life .2. Cell is the hereditical unit of life .3. Cell is the structural unit of life .4. Each cell arise from pre existing cell.
Given by schleiden and schwan???
710.

how can we say that air contain water vapour

Answer» Because when we put a glass of child water after some time we can saw some droplets of water outside the glass
711.

If magnification fora concave mirror is-1, whay is the position of object and image

Answer»
712.

How does amoeba obtain its food?

Answer» Aemeba obtain its food by the cell membrane which forms thefood vacule
By the process of cndocytosis because the flexibility of cell membrane engulf the food in external environment
713.

Who discovered the nucleus in the cell

Answer» Robert Browm
Smriti and Nidhi the question is about nucleus in the cell ,not the cell
Robert hook in 1665
Robet hooke
Robert Brown and Haeckal established that it was responsible for storing and transmitting the hereditary characterstics
714.

Matter around us pure

Answer» No, not almost pure it contain dust particles
No it const of more dust particle
715.

What is the cell wall composition in fungi

Answer» In fungi the cell wall isade up of chitin (fungal cellulose).
716.

Sodiyam

Answer»
717.

How can a colliodal solution of egg albumin in water be prepared?

Answer» Just break the egg and put the albumin in a container remember to separate the yolk first and then just add water.
718.

What us evaporisation how us it colling

Answer» Hi koshik evaporation is a surface phenomenon it have a cooling effect because no external heat is supplied in this process
719.

Bio guide fir class +1

Answer»
720.

which is a little bird of India

Answer» Sparrow
Sparrow
721.

What is limbo

Answer»
722.

Why lysosome are called sucade bags

Answer» During the disturbance in cell metabolism, lysosomes may burst and their enzymes spread in the cell and digest it\'s own cell
As the forign material enters inside the cell ,lyosom\'s enzyms start destroying its own cell and also digest the damaged cell
Because it bursts its own cell and digest the damaged cell
723.

5 kingdoms

Answer»
724.

Why do organism take food

Answer» Hi subhdeep , I have an question for you that why you take food
Food gives energy to all the organisms
Because food provides vital nutrients required for a body and its proper function
725.

What type of solid a plastic bottle

Answer» Plastic is made up of range of organic polymer including polyethylene and ethylene it is a soft state of polymer
Smriti, Plastic bottle is made of Polymer
726.

What is the diffrence between antibiotics and vaccines in 3 points

Answer» Vaccines , are use in 6 month child to peotect malaria rickets ,malnutrition
Antibiotics made by bacteria and vaccines are made by fungi
727.

Why is ice at 273K more effective in cooling than water at the same temperature??????

Answer» It process is all about the latent heat of fusion
Ice at 273K will absorb more latent heat therfore its more effective in cooling
Its all about latent(hidden) heat of fusion Soumya, Ice absorbs extra heat in the form of latent heat of fusion than water at 273k......9990972508wp
728.

why should kelvins have sharp edges and explain using the formula

Answer» I hate knife.
Hi Geniussss, P=F/A....Smaller will be the area, more will be the pressure. Sharper the edge smaller the area. 9990972508wp
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729.

What is the function of plastids?

Answer» types of plastids Leucoplasts helps in storage of starch. Chromoplasts give colour to petals of flowers and skin of fruits. Chloroplasts has green pigment chlorophyll for photosynthetic process.
Hi Mansha, Plastids helps in photosynthesis. And in storage of Starch.AKHIL
730.

What is the size of eukaryotic cell

Answer» 5micrometer Mansha...
731.

what is inflamation.

Answer» It means swelling. My sister got that by touching warm cooker...sad..
732.

What is membrane -bound cell organelles

Answer» Cell membrane boound cell organelles
733.

Name the physical quantity which is determined by the rate of change of linear momentum

Answer» Force is directly proportional to rate of change of momentum
Its mass and velocity of an object. AKHIL
734.

Which is the smallest known cell

Answer» PPLO
Bacteria
Pleuropneumonia
Mycoplasma galisepticum
735.

Diagram of stomata

Answer» Hi Manoj, Stomata helps in exchange of gases and in transpiration.AKHIL...
736.

What is a sperm"!

Answer» A sperm is a male gamete which is found in males inside testis it helps in the formation of xygote it contains 23 chromosomes of a male which contains genetic material from his parents
737.

What is defination of tydnal effect

Answer» WHEN A BEAM OF LIGHT IS PASSED THROUGH A COLLOIDAL SOLUTION, IT SCATTERS LIGHT AND MAKES THE PATH OF LIGHT VISIBLE. THIS EFFECT IS CALLED TYNDALL EFFECT.
It is the effect which is done by colloids only scattering of beam of loght without bending its path called tyndall effect
Cvvhh
738.

Classify as elements compounds and mixtures

Answer» Mixture - an impure substance made up of two or more elements or compounds in an indefinite proportion through physical combination.
Compounds -a pure substance made up of two or more kind of atoms in a definite proportion through chemical combination.
Elements - a pure substance made up of only one kind of atoms and cannot be split into any simpler substances either through physical and chemical method.
739.

What is isotonic solution????

Answer» A type of solution in which concentration of solution outside the cell is equal to inside of cell is called isotonic solution.
740.

Factors of evaporation

Answer» 1.Nature of liquid 2.Temperatute 3.Humidity 4.Surface area 5.Wind speed
There are many factors that affect the evaporation rate. The rate of evaporation depends on the liquid\'s exposed surface area (faster when increased), the humidity of surroundings (slower when increased), the presence of wind (faster when increased) and the temperature (faster when increased).
1 Temperature =when temperature increase ,evaporation is also increase.2 velocity of wind =when velocity of wind increase ,evaporation is also increase.3 surface area= when surface area increase,evaporation also increase.4 humidity=when humidity decrease ,evaporation is increase
741.

What is the Mast cell what is it function

Answer»
742.

State the principle of conservation of momentum

Answer» But how we define properly
Thank you sir
Total momentum before collision=Total momentum after collision
743.

What is the path of uniform motion

Answer» No matter. It just has to cover equal distances in equal time
It is a straight path
Because freely falling case
744.

What is meant by pubic region

Answer» The lower part of the abdomen just above the external genital organs
745.

Give the biological name of a unicellular animals

Answer» Single -celled organism
746.

Who gave binomial system of nomenclature

Answer» Carl vor linné
747.

How to learn animal tissue

Answer» You can learn through flowchart or by making notes.
748.

define solute & solvent

Answer» Solute - the component of solution present in smaller quantity. Solvent - the component of solution present in larger quantity.
Solute :a substance which is dissolved in a liquid To make a solution is called soluteSolvent :And a liquid which solute is dissolved is called solvent
749.

How discover the and who

Answer» What is palama mamera
750.

Why ice float in water.?

Answer» Yes Ritika.
Hi Akhil please tell me fast because I need your help
Hi Akhil verma 9990972508 is it your what\'s app no.
Hi Hemant, the molecular structure of ice have cages in it that makes its density lower than that of water, hence it floats on water.9990972508wp