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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.
| 3201. |
Father of genetic |
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Answer» Gregor Mendel is Father of Genetics Right John Mendel\'s Gregor Johann mendel Mandel |
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| 3202. |
Justify: unclear energy and solar energy are the two faces of the same coin. |
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Answer» You have to justify the statement . No |
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| 3203. |
How do living things get their food? |
| Answer» If organism is herbivores then from producer.If organism is omnivores then from producer and other consumer.If organisn is carnivores then from other animals only | |
| 3204. |
What is artificial ecosystem |
| Answer» An artificial ecosystem is a human made system of plants, animals, and people living in an area together with their surroundings. Zoo parks often create artificial ecosystems by placing animals in human-made areas similar to their natural habitat. | |
| 3205. |
Who discovered neutrons |
| Answer» | |
| 3206. |
What is meaning of mutation? |
| Answer» In science chapter 9 topic evolution third situation geographical isolation are called mutation | |
| 3207. |
What is Darwin\'s theory of evolution? |
| Answer» | |
| 3208. |
Why magnesium does Not react with cold water |
| Answer» When we put mg in cold water it form the hydrogen layer on it so it can not react in cold water but burn in steam. | |
| 3209. |
Name the process in which gain of electrons takes place |
| Answer» Redox reaction. | |
| 3210. |
What is the refractive index ?&why rainbow is in circular shape? |
| Answer» | |
| 3211. |
What is tooth enamel? |
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Answer» Tooth enamel is covered with a protective layer of hydropaxtite The enamel on your teeth is the hardest and most highly mineralized substance in your body. It covers the outer layer of each tooth and it is the most visible part of the tooth. |
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| 3212. |
Why moon see sometimes full and sometimes half |
| Answer» | |
| 3213. |
Calculate the gram atomic mass of one atom of oxygen. |
| Answer» 16 g | |
| 3214. |
Summarize me the formation of cells inside our bodies. |
| Answer» | |
| 3215. |
sponification |
| Answer» Easter\'s are converted back to alcohol this reaction is known as saponification because it is used in the preparation of soaps. | |
| 3216. |
Which lence is in our eyes and why? |
| Answer» | |
| 3217. |
Why are convex mirrors are used in vehicles? |
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Answer» Bcz they are magnified Convex mirrors are used in vehicles because convex mirrors always forms an effect and virtual whereas concave mirrors form real but inverted image. |
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| 3218. |
Proof the mirror formula.1/f=1/u+1/v |
| Answer» | |
| 3219. |
Proof f=r/2 in spherical mirror. |
| Answer» | |
| 3220. |
Examples of redox reaction |
| Answer» | |
| 3221. |
What is hydrogenation of oil |
| Answer» It means addition of hydrogen to oil to convert it into ghee is called hydrogenation of oil | |
| 3222. |
Hydrogeation |
| Answer» | |
| 3223. |
Hydrogenation |
| Answer» When hydrogen is added to unsaturated hydrocarbons to make it saturated hydrocarbon is called hydrogenation in the presence of nickle which acts like a catalyst and speed up the reaction hence , us called hydrogenation and addition reaction☺ | |
| 3224. |
Life process take place in which state |
| Answer» | |
| 3225. |
Producers are also referred to as the autographs.why |
| Answer» | |
| 3226. |
What is the scientific name of tea plant |
| Answer» Camellia sinensis. | |
| 3227. |
Universal food provider is also called |
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Answer» Photosynthesis process Plants May be plant is called universal food provider..ok |
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| 3228. |
The electronic configuration of on element \'x\'is 2,8,7 |
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Answer» Chlorine(17) Chlorine. |
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| 3229. |
How does boiling and melting point of hydrocarbon changes with change in molucular mass |
| Answer» | |
| 3230. |
Heredity |
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Answer» The passing on of physical or mental characteristics genetically from one generation to another. A transmission of characters from parent to their offsprings |
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| 3231. |
From where blood absorbs oxygen from the body? |
| Answer» in lungs | |
| 3232. |
Reproduction is linked to stability of population of a species. Justify |
| Answer» | |
| 3233. |
What is Joules law? |
| Answer» T | |
| 3234. |
What is absorption |
| Answer» To absorb anything | |
| 3235. |
How reproduction process done |
| Answer» | |
| 3236. |
Types of chemical reaction and define each? |
| Answer» 1.Duble-replacement reaction.2.Acid-base, or neutralization reaction.3.Oxidation-Reduction (Redox) Reactions.4.Combustion Reaction.5.Decomposition Reactions.6.Single Replacement Reactions | |
| 3237. |
Define At and It |
| Answer» | |
| 3238. |
Compare Uranium and coal as a source of energy. |
| Answer» | |
| 3239. |
How many days did Darwin went on voyage |
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Answer» 5 years 22 days |
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| 3240. |
Why carbon form covelenr compound |
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Answer» And it can neither gain them nor loose them Because carbon has 4 electrons in its outermost shell. |
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| 3241. |
Easy way to learn modern periodic table |
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Answer» Hello Ishu Hi kaira Make some sentences using the names of elements |
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| 3242. |
What is bi focal length |
| Answer» | |
| 3243. |
What is one dioptre of power of a lens ? |
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Answer» It is the reciprocal of focal length of lens(convex) 1 m One dioptre is the power of lens whose focal length is 1 metre. |
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| 3244. |
Why temperature is constant in ohms law? |
| Answer» | |
| 3245. |
Ball ki speed kaise pata karte hain |
| Answer» Speed= distance /time | |
| 3246. |
Why graphite rod is used in dry cells |
| Answer» Because grapite is a Good conductor of electricity | |
| 3247. |
What is pH value of strong acid? |
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Answer» 7 sure 1 |
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| 3248. |
Define Evolution? How does it occurs? |
| Answer» | |
| 3249. |
what is role of saliva |
| Answer» Saliva contain salivary amylase which breakdown starch into sugar | |
| 3250. |
it is compulsary to required traits |
| Answer» | |