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InterviewSolution
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.
| 7201. |
Now anyone can tell "what is skeleton reaction?" |
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Answer» Good luck to you for board Now I\'m feeling good to here by knowing that there are many who are for study. The equation which is unbalanced because the mass is not the same on both sides of equation unbalanced reactions |
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| 7202. |
Covelant compound |
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Answer» It is based on sharing of electron and has less boiling and melting point Compound formed by sharing of electron A compound which share its electron with another atom molecule is called covalent compound it does not transfer its electron totally but shares with other |
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| 7203. |
what is esterification and sapnofication |
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Answer» Saponification - it is the process in which there is an alkaline hydrolysis of ester & it gives the formation of soap, sodium salt of acid & alcohol ( glycerol ) Esterification - when ethanoic acid is allowed to rect with ethanol it gives formation of ester and this process of formation of ester is esterification On reacting with alkali,NaOH,easter gives the ethanol back and a sodium salt of carboxylic acid. The reaction is called sopanification Formation of Easter by the reaction alcohol and carboxylic acid is known as easterfication Esterification means when ethanol reacts with ethanoic acid in the presence of conc.H2so4 to form a sweet smelling compound called Easter.The reaction is called easterfication |
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| 7204. |
Mention the role of auxin in bending of stem? |
| Answer» It helps in development of one side of stem more than father and led to bending | |
| 7205. |
Which device is used to convert A.C. into D.C. |
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Answer» Welcome Electronic device called a power inverter Thanks Rectifier |
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| 7206. |
A 4ohm resistance wire is double on it. Calculate the new resistance of the wire |
| Answer» Cross sectional area is doubled & length is half | |
| 7207. |
Voice box |
| Answer» | |
| 7208. |
Which organ in human is also called............ |
| Answer» | |
| 7209. |
Give two example of chemical reaction |
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Answer» HCl + NaOH -----------> Nacl + H2O HCl + Zn ---------->. ZnCl +H2 |
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| 7210. |
When calcium hydroxide+carbondioxide react then what is product |
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Answer» calcium carbonate CaCo3 Calcium carbonate [CaCo3] |
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| 7211. |
When clcium hydroxide +carbondioxide is added then what is product |
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| 7212. |
What is the blueprint? |
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Answer» BIO Is it from bio... DNA as blueprint Of which subject |
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| 7213. |
what do you mean by Rosting |
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Answer» Sulphide ore are converted into metal oxide in the presence of oxygen Roasting means sulphide ores converted into oxides in heating in excess air no Roasting Is it rusting |
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| 7214. |
Ref |
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| 7215. |
Zinc does not give hydrogen gas on reacting with nitric acid ? Why? |
| Answer» Bcoz nitric acid is a strong oxidising agent | |
| 7216. |
What is accumadation of variation during reproduction |
| Answer» | |
| 7217. |
Formation of image in Retina how would be possible to formation of image in Retina up side down |
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| 7218. |
Tell me the diffrrence between mandel\'s experiment and charles experiment |
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Answer» Plz tell me the difference Mendel man Sry mendel Mendal is a Scientist Who is mandal |
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| 7219. |
What is cross pollination? |
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Answer» Two pa When pollen grains comes from another flower Type of pollination in which transfer of pollen grains take between ,two different flowers different plants if same species |
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| 7220. |
what is sponoification |
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Answer» From of reacn in result formation of soap Making of soaps from fatty acids Sry wrong answer typed The method of preparation of soap by heating ethanol nd ethanoic acid is known as saponification. |
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| 7221. |
How to manufacture of soap and Detergent |
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Answer» Soaps are sodium or potassium salts of long chain fatty acids. When triglycerides in fat/oil react with aqueous NaOH or KOH, they are converted into soap and glycerol. This is called alkaline hydrolysis of esters. Since this reaction leads to the formation of soap, it is called the Saponification process From saponification process and |
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| 7222. |
What is Tetravalent bond |
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Answer» Which have three bond is called tetravalent bond Four bond is called tetravalent ex carbon has a tetravalent The capacity of holding four electrons Which have four bond is called tetravalent bond. |
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| 7223. |
Law of dominance. explain |
| Answer» Hmm sure ......It is a phenomenon of expression of only one allele out of 2 alleles present in a heterozygous or hybrid individual | |
| 7224. |
Why does the sky look blue on a clear sunny day |
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Answer» The appearant rays of sun refracts in atomsphere and dispersed into its seven colours within which blue have greator wavelength and it dispers at most in atmosphere thats why the cloud looks blue at sunny day.The appearant sun means that we look sun advance 2 minutes Atmosphere fine particles scatter the shot wavelength light so sky appears blue Due to scattering of blue light from white light |
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| 7225. |
What os universal indicator |
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Answer» Are thanaxx A mixture of many common indicators which indicates acidbor base by changing its colour on certain pH value Universal indicator is a mixture of many different indication or dye which give different colors at different PH values of the entire PH scale |
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| 7226. |
Why mandels taken pisum sativam for their experiment |
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Answer» Becose pea has many characters which are helpful to mandel for his experiment..like as it is all swasin crop so mandel could get enough time to study them...And ..it shows many traits in a single flower..It is easily grown... Because of contrasting characters Because they can be grown easilyThey produces less seeds They have short life spanThey have self pollination flower Short life cycle They self-pollinate but can be cross - bred easily Different traits are found in pisum sativum Contrasting character... no. Of ogfsprings.... short maturation period |
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| 7227. |
Full form DNA |
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Answer» watch housefull. 3 ? Decoy ribonucleic acid Dioxyribo nucleic acid |
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| 7228. |
Asexual mode of reproduction |
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| 7229. |
Vascular disease |
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| 7230. |
What\'s is a meaning of deoxy nucleic |
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Answer» Its a homogeneous solution. Acidic in nature and a reason b/w variations This is a portion of 12 th class |
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| 7231. |
Malleability define |
| Answer» tendency of a element to be drawn into thin sheets???aluminium foils for ex ? | |
| 7232. |
Which acid present in tamrind |
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Answer» Chuppp kro..hme ky aataa hai..isss chkkkr me MTT pdo...wrna....pde hi rhh jaaoge...shivanya...ko hrrr koi ni samgh sakta... Mai bhi check kar raha hoo inhe bhi kuchh aata hai ki nhi ?nhi to hum jaiso ko hi sikhana padega inhe Galt likho hi mtttt ....to sahi krne ki jaroorat hi ni hogi...Brahmana boy Tartric acid Spelling galat hogi sahi kar lena??kuchh tum bhi to karo Tartaric acid Tartaric acid |
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| 7233. |
Does a nichrome wire follow ohms law or not |
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Answer» Yes Yeah!!! |
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| 7234. |
What is mating ? Explain in terms of human reproduction. |
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| 7235. |
What is snell\'s law of refraction |
| Answer» Tje ratio of angle of sine of incidence to sine of refraction is always constant in particular media and wavelength of light. | |
| 7236. |
what is the iupac name of alphabet J |
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Answer» Jey Nothing iupac name kisi ko compound ko diya jaata h K |
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| 7237. |
How aids occur |
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Answer» Unknowingly HIV virus |
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| 7238. |
What is amalgum |
| Answer» Alloy of mercury | |
| 7239. |
Which is the longest cell in the human body |
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Answer» Nerve cell or neuron Neuron cell Nueron |
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| 7240. |
Why we need water for electricity? |
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| 7241. |
Co2+ H2O-> |
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Answer» C6H12O6+6o2 H2CO3 |
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| 7242. |
Causes of heating effect of current |
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Answer» When current flows through a conductor some energy is converted into useful work but a part of energy get dissipated in the form of heat. Due to the high current flow in the wire and the wire is getting heat |
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| 7243. |
How fossil are formed? |
| Answer» Fossils are formed due the decomposition of organic matter millions of years ago. | |
| 7244. |
which substance is used for the precipitation of soap |
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Answer» Fatty acid and naoh Common salt Common salt. Sodium chloride |
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| 7245. |
Define mutation briefly |
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Answer» Alteration in gene which leads to variation. Mutation is a change in the sequence of nitrogen base into DNA... |
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| 7246. |
Why is methanone not the simplest ketone? |
| Answer» Fhhh | |
| 7247. |
Why the wire is not burn in heater? |
| Answer» Because the resistance of wire is more so that more heat can be produced and the wire use has high melting point which prevent them from burning | |
| 7248. |
What are the difference between the physical and chemical properties of ethanol and ethanoic acid? |
| Answer» \tEthanolEthanoic acidAt room temperature, Ethanol is always a liquid, and it has a melting point of 156K and a boiling point of 351 K.Ethanoic acid is also referred to as glacial acetic acid because its melting point is 16oC. It often freezes in the winter season when the climate is cold.Ethanol has a pleasant odourEthanoic acid has a vinegar-like smell.Ethanol does not react with carbonates or hydrogen carbonate. CH3CH2OH + Na2CO3→ No reactionEthanoic acid reacts with sodium bicarbonate as shown in the reaction below CH3COOH + NaHCO3\xa0→ CH3COONa + H2O + CO2\t | |
| 7249. |
What is tyndall efect |
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Answer» Phenomenon of scattering of light by colloidal particles. The scattering of light by particles in its path is called tyndall effect .. |
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| 7250. |
Thylkoid |
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