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3501.

Kinko lagta he ki science ka question bhi sample paper se match karega

Answer» Me...
3502.

What is IUPAC name?????

Answer» International unioun of pure and applied chemistry
3503.

Why Mendel choose pea plant for experiment????

Answer» Thanx amar itna bada likhne ke liye
Gregor Mendel chose pea plants for his experiments because they are easy to raise, have many offspring per mating, can fertilize themselves and have varieties in genotype and phenotype that are easily observable. These characteristics make pea plants ideal in the study of genetics and heredity.\tEasy to grow in a range of climates.\tRelatively fast generation time.\tVariable in easily scored traits (flower colour, hairs, pod morphology).\tEasy to control pollination and hand-pollinate.\tSelf-fertile, so that through inbreeding, lines can be developed that are genetically homogenous for particular traits.
3504.

How gametes formed

Answer» Both the male and female gametes are formed during a process of cellular reproduction called meiosis. However, the cells are divided into four separate cells. ... The gametes are haploid cells because they have only one set of chromosomes
3505.

What is theory of charles darwin

Answer» \t\tCharles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection.\t\t\tDarwin defined\xa0evolution\xa0as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor.\t\t\tThe mechanism that Darwin proposed for evolution is\xa0natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.\t\t\tNatural selection causes populations to become\xa0adapted, or increasingly well-suited, to their environments over time. Natural selection depends on the environment and requires existing heritable variation in a group.\t
3506.

What is alcohal

Answer» It is functional group of hydrocarbons R-OH where R is a hydrocarbons of - yl group
Alcohol is an organic compound in which the hydroxyl functional group is bound to a saturated carbon atom.
3507.

relationship between R.I. and optical centre

Answer»
3508.

What is allotropy

Answer» Diff forms of a single element. Eg: Uranium, Carbon.
3509.

And homozygous also

Answer»
3510.

What is hetrozygous

Answer» A condition in which an individual has a pair of contrasting genes for any one character and will not breed true for this character
3511.

What was the phenotypic ratio in f2 generation..??

Answer» Madam Apne Phele comments kiya tha isle Maine likha....thkk hai kya ab sorry bolna pare GA. ?!
Round yellow=9,Round green = 3,wrinkled yellow=3, wrinkled green=1
9:3:3:1
3512.

Why sexual reproduction is better than asexual reproduction

Answer» Sexual reproduction brings more changes that led to evolution of species.
3513.

What is allele??

Answer» Unit of genes
Each of two or more alternative forms of gene that arise by mutation and r found at the same place on a chromosome
3514.

What is columb low

Answer» A law stating that like charges repel and unlike charges attract, with a force proportional to the prpduct of charges and inversely proportional to the square of the distance b/w them
Column is just a so unit of electric charge or SI unit
3515.

Justify the given statement solar energy and nuclear energy are the two faces of the same coin.

Answer» So easy ???
3516.

What is symbol of hydrogen and potassium

Answer» H, K
H, K
3517.

Name any two waste which can recycle and reuse

Answer» Plastic,paper.
3518.

Part of male reproductive system

Answer» Testes, *******, vas deference, seminal vesicle, urethra & prostate gland.
Testes,*******,va deferens, seminal vessical, urethra, prostate gland
3519.

What is semen?

Answer» It is reproductive male gamete also called sperm
3520.

Give reason:- some saturated hydrocarbon also burn with yellow and smoky flame

Answer» Because in some saturated hydrocarbons the carbon content is more because of this o2 is less because of this complete combustion doesn\'t takes place so it burns with sooty flame
3521.

Physical and chemical property of aldehyde and ketone

Answer» Then why don\'t you answer
So easy
3522.

What is homologus orgam?

Answer» The organ which are similar in structure but dissimilar in function
3523.

Why do onions make us cry ?????GIVE answer .........P....

Answer» When an onion is cut, it releases a compound called lachrymatory factor (LF). Once it is released, it quickly evaporates and find its way into our eyes. Then it dissolves in water covering surface of our eyes to form sulphenic acid. This irritates the tear gland, and produces the tears.
Due to sulphuric and amino acids
3524.

What precaution should be taken to avoid the overloading of domestic electric circuit

Answer» Ans: Following precautions should be taken to avoid the overloading of domestic circuits:(a) Do not use too many appliances at the same time.(b) Use the appliances within the safe limit of electric circuit.(c) Do not connect too many appliances in a single socket.(d) Fuse should be connected in series in the circuit to protect overloading and short circuiting
3525.

Did dobereiner, s triads also exit in the columns of newlands octaves? Compare and find out

Answer»
3526.

How to download free all sample papers for science or can anyone send me in whatsapp

Answer» Please send
8218867053 please send me all sample papers of science please
3527.

sign conventions in concave and convex mirror

Answer»
3528.

What is regular reflection?

Answer» when the reflecting surface is smooth and well polished the parallel rays falling on it are reflected parallel to one another .
3529.

Causes of variations

Answer» Geographical isolation, genetic drift
3530.

What is the role of DNA in human bieng

Answer» Transfer ration of parents gene and there characteristics to there off springs .ok ye ek massenger ka kam v krta h.
3531.

What is clone?

Answer»
3532.

What are multiple alleles? Explain with one example

Answer»
3533.

Name those part of flower which serve the same function as the following do in the animal

Answer» 1.Testies 2.Ovary 3.Eggs 4.Sperms
3534.

Can any one you tell me that what are important question related to science book

Answer»
3535.

Who is the first sincerity of our odisa

Answer»
3536.

Why the sky appers blue in colour???

Answer» The blue colour of sky is due to the scattering of light by small particles of the atmosphere (air molecules) when the light is incident on particles whose size is smaller than the wavelength of light, it is scattered.According to Rayleigh law, the intensity of scattered light is inversely proportional to the fourth power of wavelength. As the wavelength of blue colour is smallest and that of red light is longest, the blue light is scattered most and the red light is scattered least. The scattered blue light reaching the eye gives the appearance of a blue sky. The sky will appear black in the absence of earth’s atmosphere because no scattering of any colour takes place in that case.
3537.

Tell me how to find iupac names of any compound?

Answer»
3538.

Why is a normal eye not able to see clearly the object place closer than 25 cm

Answer» The maximum accommodation of a normal eye is at a distance of 25 cm from the eye. The focal length of the eye lens cannot be decreased below this. Thus an object placed closer than 25 cm cannot be seen clearly by a normal eye.
3539.

what is melting point of mercury

Answer» -38.83 degree C excetley
-38.8 degree Celsius
-38.84 aprrox..
3540.

Physical and chemical property of aldehyde

Answer»
3541.

When and how flame is produced

Answer»
3542.

Should we prefer NCERT or refreshers

Answer» First ncert then refreshers
3543.

What is oms low

Answer» Nxnxm
It\'s very simple; The potential different across the ends of wire in a electric circuit is directly proportional to the current flowing through a wire provide it\'s temp. Remains constant. V directly proportional to I
I a current carrying medium when voltage is inversely proportional to current flowing through it. inversely proportional to I.
3544.

bio come how many marks

Answer» Bio 30 marksChe + Physics 50 marks
Highest because bio chapters are more as compared to physics and chemistry
3545.

Which quantity doesn\'t remain constant in simple harmonic motion

Answer»
3546.

About graphite

Answer» It is pencil lead
3547.

What is methanal in stomach ?

Answer»
3548.

what is power of accomodation

Answer» Ability of eye to adjust it\'s focal length
Adjustment of focal length
3549.

An element "x" has mass no 35 and the no of neutron is 18 identify the group no and period of "x"

Answer» Third period and 8th group
3550.

What is principle of generator

Answer» Generator is a machine that converts mechanical energy into electrical energy.Working principle : It works based on the principle of Faraday\'s law of electromagnetic induction. The Faraday\'s law states that whenever a conductor is placed in a varying magnetic field, EMF is induced and this induced EMF is equal to the rate of change of flux linkages. This EMF can be generated when there is either relative space or relative time variation between the conductor and magnetic field.
It\'s electromagnetic induction.