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4151.

Is the main function of WBC

Answer»
4152.

Whow we can convert kelvin in Celsius and Celsius in kelvin?

Answer» 273 Kilojule
Temperature in kelvin- temperature in celsius =273
In kelvin subtract 273 from the centigrade and in Celsius add easily 273 from the kelvin
Give me fast answer
4153.

Property of collied

Answer» (1)It is a heterogeneous mixture(2)The size of particle of colloid is too small to be individually seen by naked eye(3) Colloids are big enough to scatter a beam of light passing through it and make its path visible(4) They do not Settle Down When left undisturbed, that is ,a collide is quite stable
4154.

write a short note on "plants preserved to as food factories on earth

Answer»
4155.

Make a comparison and write down ways in which plant cells are different from animal cells

Answer» It will be looooong...
4156.

Name the enzyme present in human bile

Answer» Bile juice does not contain any enzyme but it contains bile pigments, bile salts, cholesterol, and phospholipids. The important role played by these enzymes is that it helps in the emulsification of fats where the fat molecules are broken down into small micelles.
4157.

Write the types of epithelial tissue

Answer» Squamous epithelium , cuboidal epithelium, columnar epithelium, psendostratified epithelium tissue
Squamous epithelium ,columnar epithelium,cuboidal epithelium and glandular epithelium
Ciliated cuboidal glandular stratified squamous coloumnar and squamous
4158.

Force is inversely proportional to the time or not ?

Answer» No
4159.

Which type of tissue is present in the brain

Answer» Nervous. Tissue
4160.

Find variations of g(gravity due to acceleration) with height and width

Answer» Not hereee..
4161.

A way in which it can be easy to learn name of symbol and of some ions

Answer» I knew it. It will take 10min to explain. You can whatsapp me on9990972508...
4162.

What is the a cell.

Answer» Cell is the smallest fundamental unit of life
Cell is a living organism. Cell has special component called organelles. Three features is always in every cell,that are plasma membrane , nucleus and cytoplasm.
A cell is the basic and functional unit of life
4163.

What do you mean by biotic component give example

Answer»
4164.

What is the second law of motion?

Answer» The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.
4165.

Difference between velocity time and speed time grapg

Answer» Meaning of Velocity time graph for Speed time graph is same
4166.

Difference between health and disease

Answer» Shagun I don\'t know sorry
4167.

Differentiate between cold and warm blooded animals

Answer»
4168.

Write 2 examples of newton\'s second law of motion.

Answer»
4169.

Defference between velocity and speed

Answer» Velocity is a vector quantity and speed is a scalor quantity velocity=displacement/time and speed = distance/time
Velocity has magnitude as well as direction Speed only has magnitude
4170.

What is the number of free electron in 1cm cubic of silver

Answer»
4171.

What do you mean by Brownian motion is

Answer» Yes
It is the zig zag motion of colloidal particles.
4172.

Proove F= ma

Answer» The change in momentum = p2 – p1The change in momentum = mv – muThe change in momentum = m × (v – u).The rate of change of momentum = m × (v – u)/t(v - u)t Or, the applied force, F ∝ m × (v – u)/t (v - u)t F = km × (v – u)/tF = kma
The change in momentum = p2 – p1The change in momentum = mv – muThe change in momentum = m × (v – u).The rate of change of momentum = m × (v- u)÷ tF=k maF=mahence proved
F¶P1+p2F¶Mu+MvF¶M(u+v)Proportion to time F ¶m(u+v)\\tF=km(a). V+U\\T=AK is constant so F=maHence proved
4173.

Why do we call ATP as energy currency of our body

Answer» ATP is called the energy currency of the cell, and of life, because it is the energy molecule that all cells need in order to do anything within the human body. The molecule is used like a battery within cells and allows the consumption of one of its phosphorous molecules.
4174.

What is your days name

Answer» What type of ques is this????
4175.

What is bronchi

Answer» The trachea or windpipe ,helps supply air to the lungs by providing a passage way from the mouth.
Hiii Simaran, A trachea is devided into two bronchi...
4176.

Is oil and water solution a suspension??

Answer» Yes
Yes it is a suspension
yes it is a suspension
4177.

Why water at room temperature is a liquid

Answer» The room temp is about 25 degree to 45 degree but water needs 100 degree to boil and 0 degree to become ice so it is a liquid
4178.

Variation in the value of G with the altitude or height above the surface of the earth derived

Answer» G:Universal gravitation constant,,,,wont change with the change of height.
4179.

If the moon attracts the earth why does the Earth not move towards the moon

Answer» If the moon attracts the earth but earth doesnt move towards it becoz the mass of the earth is more than that of moon so moon itself was attracted towards it
Because mass of earth is more than moon
4180.

Why is reproduction essential for organisms

Answer» To continuous their generation
I am sorry
To continue their species
Because if reproduction does not take place then the particular organism will be extinct
To continue their generation
4181.

What do you meant by a substance ?

Answer» A particular kind of matter with uniform properties
4182.

What is connective tissue and its example

Answer» The connective tissue are the tissue which connect the various organs and tissue like bone to bone ,muscle to bone .its main function is binding supporting and packing together different organs of body . Example of connective tissue are blood ,bone
4183.

Show the diagram of mitachondria .

Answer» Noooo
4184.

Two methods for incorporating a desirable characterstic into a plant???

Answer» Hybridization and genetic manuplation
4185.

What is the physical state of water at- 0 degree celsius and how?

Answer» Solid and liqued state becouse at 0 degree celsius water start freezing so it is found in solid and some amount of liqued?
4186.

Export firms of a cell

Answer» VELOCITY :DISPLACEMENT/ TIME
What is a formal of velocity
4187.

What is the use genetic manipulation?

Answer» Genetic manipulationis a process where the gene for a particular character is introduced inside the chromosome of a cell. When the gene for a particular character is introduced in a plant cell, a transgenic plant is produced. These transgenic plants exhibit characters governed by the newly introduced gene.For example, let us assume there is a wild plant that produces small fruits. If the gene responsible for a larger fruit size is introduced in this plant, this plant becomes transgenic, and starts producing larger fruits. Similarly, genes for higher yield, disease resistance, etc. can be introduced in any desired plant.Therefore, gene manipulation plays an important role in agricultural practices. It helps in improving crop variety. It ensures food security and insect resistant crops. It also improves the quality and yield of crops.
4188.

What is nuclear pore

Answer» Nuclear pore complexes allow the transport of molecules across the nuclear envelope.
4189.

How a child is reproduced in humans

Answer»
4190.

Do we need to study only ncert In science?? Please tell required book?? Fast

Answer» S chand has an additional matter required in detail
Thank akhil but it is too easy and l want to score 95 +
Hi Swati, NCERT is hard to understand. Read NCERT and cbse notes and you can have 80+marks....
4191.

Best book to score 95+ in science

Answer» ncert
S CHAND
Pradeep sharma
4192.

Best book for science class 9 cbse ncert to score above 95+

Answer» You buy books of biology , physics and chemistry.
It is only Pradeep books to score good Mark s
According to me , choice goes to jmd dinesh.
4193.

What is erson

Answer»
4194.

what is nuclei

Answer» \tThe nucleus is small, round and membrane bound structure found in cell.\tThe fluid inside the nucleus surrounded by nuclear membrane is called nucleoplasm.\tIt controls the cell’s growth and reproduction because it contains cell\'s hereditary information.\tIt is covered by dual layer called nuclear membrane.\tThe nuclear membrane contains pores due to which materials can travel both inside the nucleus from its outer surrounding i.e. cytoplasm.\tThe nucleus contains some thread like structures called chromatin. It exists during the resting stage of cell.\tThe nucleus contains some rod shaped structures in a cell that contains the hereditary information. They are called chromosome.
4195.

What is the acceleration of free fall

Answer» Who is the frist goverment of india
The acceleration of free fall is; when the Body falls due to earth\'s gravitational pull, its velocity changes and is said to be accelerated due to .the earth\'s gravity and it falls freely called as free fall. This acceleration is calculated to be 9.8 m/s2.
Uniform acceleration
4196.

Will a suspension show tyndal effect?

Answer» Yes it will
4197.

What is pure substence

Answer» In which only one kind of particles are contain examples iron are the pure substance because it\'s only one kind of particles
That type of substance which can not be divided into two or more parts by using any type of physical process it can\'t be separated out it having fixed ratio of two substance
A pure substance is one which made up of only one kind of particles either atoms or molecules for example : oxygen,carbon etc
4198.

What is role of epedemic in plant

Answer» Epedemic gives protection to the plants and prevent water loss in deset plants
4199.

What is the full form of rwr

Answer» Radar warning receiver
from which section does your mean this word
4200.

Why there is gravity around us? what it need

Answer»