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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 4201. |
How do organism form |
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Answer» By reproduction By reproduce |
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| 4202. |
The depletion of ozone layer is cause of concern?why |
| Answer» Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC). | |
| 4203. |
What is cellular apparatus ... |
| Answer» All cell organelles like ribosome, mitochondria, chloroplasts, golgi bodies etc. present inside each cell are called cellular apparatus. When copying of DNA takes place, additional sets of cellular apparatus are also created. So that when the DNA copies are created, they can separate with their own cellular apparatus to form a new cell. | |
| 4204. |
How the sperm enters the women\'s body? |
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Answer» Harsh whats dat******* Did u know A sperm\'s journey from ****** to egg is only 15 centimeters long, but it\'s a race with attrition. There are approximately 200 million sperm in each human ejaculation, but only about 2 million sperm make it into the cervix. Through human reproductive part Through ***** |
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| 4205. |
Precipitate reaction |
| Answer» Reaction in which insoluble residue settle down the solution is call precipitation reaction | |
| 4206. |
What is the chemical formula of lead nitrate |
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Answer» Pb(NO3)2 Pb(NO3)2 Pb(NO3)2 PB(no3)2 On(no3)2 |
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| 4207. |
How haemoglobin associated with respiration explain |
| Answer» It is a respiratory pigment and carry the oxygen | |
| 4208. |
How is haemoglobin associate with respiration explain |
| Answer» | |
| 4209. |
Describe digestive system |
| Answer» The human digestive system consists of gastrointestinal tract plus the accessory organs of digestion | |
| 4210. |
What is planeria? |
| Answer» A planarian is one of many flatworms of the Turbellaria class. It is also the common name for a member of the genus Planaria within the family Planariidae. It is the organism in which regeneration takes place | |
| 4211. |
what is the important of dna |
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| 4212. |
Name the organ which is vestigial in man but not in bird |
| Answer» Nictating membrane present in the human eye......... | |
| 4213. |
Can u send me the science paper of class 10th set 1 ,2,3 |
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| 4214. |
Which of the emergent rate is mostly likely to be violet |
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| 4215. |
Write the name and formula of 2nd member of homologous series having general formula CnH2n. |
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Answer» It is propene as there is no compound named methene It\'s second member is propene as its first member is ethene Ya its Alkene only Kya baat hai Alkene Alklene Methane(C2h4 alkene |
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| 4216. |
Circulatory System |
| Answer» To transformation of pure and impure from to lungs and lungs from all parts of body is called circulatery system. | |
| 4217. |
Why fire fly glows at night? |
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| 4218. |
Which of these elements belong to same group |
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| 4219. |
Which compound has in its carbon |
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| 4220. |
What is matle |
| Answer» Its metal | |
| 4221. |
Kal bansal Kay exam hai Madad Kar do plz tips dedo |
| Answer» | |
| 4222. |
A studemnt is studying the property of acetic acid in his school laboratory |
| Answer» | |
| 4223. |
What happens when a mature spirogyra filament attains considerable length |
| Answer» Each Spirogyra divide into two parts and both formed new Spirogyra | |
| 4224. |
Esterification and its formula |
| Answer» Ch3ch2oh +ch3cooH-----ch3cooc2h5 + h2o | |
| 4225. |
What is two difference between Artries and veins |
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Answer» 1. transport oxygenated blood from heart and veins transport deoxygenated blood to heart 2. Artries have thicker wall of tube than veins tube wall because artries have high pressure of blood Artries carry originated blood veins carry dioxiginated |
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| 4226. |
Difference between soaps and detergents ? |
| Answer» 1:-soaps are sodium and potassium long chain of carboxylic acid whereas Detergents are Ammonium and sulphonate salts of long chain carboxylic acid2:- Soaps can not perform better cleaning action in hard water (water containing ions like Ca+,Mg+, etc ) as like as Detergents | |
| 4227. |
Concave mirror all questions |
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| 4228. |
What is aqueous solution? |
| Answer» Solution which is (not liquid, not solid, nor gas)This type of solution contains some little amount of water | |
| 4229. |
Explain how wind energy can be used to generate electricity |
| Answer» Wind power converts the kinetic energy in wind to generate electricity or mechanical power. This is done by using a large wind turbine usually consisting of propellers,the turbine can be connected to a generator to generate electricity, or the wind used as mechanical power to perform tasks such as pumping water or grinding grain. As the wind passes the turbines it moves the blades, which spins the shaft.To create electricity from wind the shaft of the turbine must be connected to a generator. The generator uses the turning motion of the shaft to rotate a rotor which has oppositely charge magnets and is surrounded by copper wire loops. Electromagnetic induction is created by the rotor spinning around the inside of the core, generating electricity. | |
| 4230. |
Name the unit of inheritance. What is its function |
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| 4231. |
who invent the seven colour vibgyor |
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| 4232. |
What is characters? |
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| 4233. |
What is the mathod to calculate valancy of an element? |
| Answer» The no. Of electrons needed to outer most shell to complte its shell | |
| 4234. |
Alternative sources of energy |
| Answer» Sun | |
| 4235. |
A compound X loses water of crystallization when exposed to air identify the X give its formula |
| Answer» When washing soda is exposed to air, they loses a part of its water of crystallisation to give white powder. | |
| 4236. |
Why does sun appears red in morning why in mid day |
| Answer» Yes | |
| 4237. |
Why light bends during refraction? |
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Answer» When light pass through one midum to another it bend Due to changing of light one medium to another medium Because it change its medium. |
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| 4238. |
What is chipku movement |
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| 4239. |
Define volt |
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| 4240. |
Versatile nature of carbon. |
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Answer» Alotropes of carbon Becoz carbon Shares its electron with others element and carbon has 4valancey |
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| 4241. |
This is educational app |
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| 4242. |
What is these whole concept of soap and detergent can some one explain these |
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Answer» Money if you know the answer then tell me plese? I can |
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| 4243. |
Explain about neutralisation |
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Answer» It is a chemical reaction in which an acid and a base react quantitatively with each other. In a reaction in water, neutralization results in there being no excess of hydrogen or hydroxide ions present in the solution. Neutralization is a type of chemical reaction in which a strong acid and strong base react with each other to form water and salt |
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| 4244. |
Explain Newlands law of octaves |
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Answer» Newlands arrange the 56 element .According to their increasing atomic masses he explained that the property of 1st element will resumble with 8th element. Newland’s law of octaves: John Newlands arranged the elements in the order of increasing atomic masses. Till then only 56 elements were known to us. He started with hydrogen which has the lowest atomic mass and finally ended at thorium which was the element known to have highest atomic mass at that time. He noticed that every eighth element exhibits similar properties as compared to the first element. He called this law as ‘Newland’s Law of Octaves’.According to Newland’s Law of Octaves, as the observed properties of lithium and sodium are same, sodium is placed at the eighth position with respect to lithium. When element is arranged in the order of increasing atomic masses, groups of eight element (starting from a given element) are a repetition of the properties of the first element According to Newlands law of octaves when we arrange the elements by their increasing atomic masses the chemical properties of every eighth element is similar to that of first element |
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| 4245. |
What is nutrients ? |
| Answer» | |
| 4246. |
How Newton concluded that sunlight is made of seven colour? |
| Answer» By dispersion of light into seven colors. | |
| 4247. |
What do u meant by hypermetropia ..write the cause?? |
| Answer» It is the eye disease in which person can see distant object clearly but can not see nearby objects clearly.its causes are-1- increase of focal length2- eye ball get shortened | |
| 4248. |
Why sun looks apple in morning but not in noon? |
| Answer» during morning , the sun is at horizon. Therefore blue colour is short wavelength so it scatters and red (long wavelength) reaches our eyes and hence sun looks red like apple in morning | |
| 4249. |
Dilute sulphuric acid with aluminium powdet |
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| 4250. |
Formula for ethane |
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