InterviewSolution
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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.
| 3901. |
Which oxide will not dissolve in water??? |
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Answer» U r always right mai kaise glt bol skti hu Metal oxide Aluminium oxide |
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| 3902. |
Good night... Everyone... ?? |
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| 3903. |
How the process copulation is done in human beings |
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Answer» By using reproductive organs I.e.ovum and ovary in female and male Process of copulation occurs in human beings with the help of reproductive organ ***** (male) ovary(female) by using *** cell ova and sperm. |
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| 3904. |
Aur kya Ho rha hai Anjali |
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| 3905. |
Hello Anjali |
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| 3906. |
Mutation also leads to variation. Justify this statement. |
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| 3907. |
Why the name \'biodiversity hotspots \' has been given to forest? |
| Answer» Biodiversity hotspots are areas that support natural ecosystems that are largely intact and where native species and communities associated with these ecosystems are well represented. They are also areas with a high diversity of locally endemic species, which are species that are not found or are rarely found outside the hotspot. The concept of biodiversity hotspots was given by Norman Myers. Originally he gave the twenty-five biodiversity hotspots (green, coded as 1-25) and later Nine hotspots (blue, 26-34) added by Mittermeier. (shown in diagram Below)To qualify as a hotspot, a region must meet two strict criteria:\t\tIt must contain at least 1,500 species of vascular plants (> 0.5 percent of the world’s total) as endemics.\t\t\tIt has to have lost at least 70 percent of its original habitat.\tThree factors that usually determine hotspots:\t\tThe number of\xa0total species\xa0(species richness).\t\t\tThe number of\xa0unique species\xa0(endemism).\t\t\tThe number of species at risk\xa0(threat of extinction).\t | |
| 3908. |
Why is carbon a tetravalent compound? |
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Answer» Sry ritu it\'s valency is not four. It\'s becz carbon has four electrons in its valence shell so it can neither gain or less electrons . therefore it\'s is called a tetravalent compound. Because it\'s valency is 4. |
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| 3909. |
what is the colour of PBI2 |
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| 3910. |
What is red data book? What is the use of red data book? |
| Answer» The Red Data Book is the state document established for documenting rare and endangered species of animals, plants and fungi as well as some local sub-species that exist within the territory of the state or country. This book provides central information for studies and monitoring programmes on rare and endangered species and their habits.The advantage of the red data book.\xa0\tIt helps in identifying all animals, birds and other species, about their extinct and endangered.\xa0\tIt is used to evaluate the total wild animals population present.\xa0\tThe data available in this book can be used to evaluate the taxa at the global level.\tThe main benefit of this book is to evaluate the risk of taxa becoming globally extinct\tThis book maintains the complete record of all endangered animals, plants\xa0and other species. | |
| 3911. |
How many platelets are there in 1unit blood? |
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| 3912. |
What happened when bleaching powder is kept open in air |
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| 3913. |
What is functioning of thalamus |
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Answer» *thalamus Tjalamus have several functions...relaying of sensory signals incliding motor signal to cerebral cortex , and the regulatipn of sleep, alertness amd consciousness |
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| 3914. |
Reaction of sodium carbonate with acid which gas is released test of gas |
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Answer» Co2 Co2 Hydrogen |
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| 3915. |
What is galvanometer? |
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Answer» Galvanometer is used to detect the minor current running in an wire Yess galvanometer is used to detect the presence of current Device to check the presence of current in the circuit. Ammeter is used to check the value of current. device to measure the current |
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| 3916. |
Over loading |
| Answer» When many high power rating electrical devices switched on at a same time then this condition is said to be overloading | |
| 3917. |
Difference between polar solvents and non-polar solvent |
| Answer» \tPolar solvents\xa0have large dipole moments (aka “partial charges”); they contain bonds between atoms with very different electronegativities, such as oxygen and hydrogen.\tNon polar solvents\xa0contain bonds between atoms with similar electronegativities, such as carbon and hydrogen (think hydrocarbons, such as gasoline). Bonds between atoms with similar electronegativities will lack partial charges; it’s this absence of charge which makes these molecules “non-polar”. | |
| 3918. |
Phenotypic and genotypic ratio in dhybird cross inF1and F2 |
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| 3919. |
Why do copper vessel less shine when exposed to air |
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Answer» why do copper vessels less their shine when exposed to air? Copper vessels lose their shine when exposed to air because of corrosionthe corroded copper will be green in colour it forms metal oxide when exposed to air |
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| 3920. |
What is the name of dergent |
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| 3921. |
How to reaction matal and acid |
| Answer» Acid + metal =salt + hydrogen gas | |
| 3922. |
Why di fire flies glow at nish? |
| Answer» Fireflies\xa0produce a chemical reaction inside their bodies that allows them to light up. This type of light production is called bioluminescence. ... When oxygen combines with calcium, adenosine triphosphate (ATP) and the chemical luciferin in the presence of luciferase, a bioluminescent enzyme, light is produced. | |
| 3923. |
Why hydrogen is used as rocket fuel |
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Answer» Because of it\'s high calorific value and less ignition temp Gives More Energy as compared to other and less used Because it is highly flammables |
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| 3924. |
Color of ozone hole |
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Answer» Dark blue and purple colors correspond to the thinnest ozone, while light blue, green, and yellow pixels indicate progressively thicker ozone. Historically, the Antarctic ozone hole was largest during October. Dark greenish blue either greenish Brown |
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| 3925. |
What is miraj and total internal reflection? |
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| 3926. |
Draw the electronic dot structure of ethane molecule (C2 H6 |
| Answer» H-C-C-HRest saturate the carbon molecule with hydrogen | |
| 3927. |
Calcium is metal or non metal |
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Answer» Metal Metal |
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| 3928. |
Explain the digestion of carbohydrates in human body ? |
| Answer» In human body, small intestine is responsible for the digestion of carbohydrates. Small intestine contains glands which secreate intestinal juice which finally converts carbohydrates into glucose. | |
| 3929. |
Why curd is not leave in copper vessels |
| Answer» Because it react with copper which is metal and form metallic oxide which make the curd toxil | |
| 3930. |
State how concentration of auxin stimulates the cell to grow longer on the shady side ? |
| Answer» When light is coming from one side of the plant, auxin diffuses towards the shady side side of the shoot. This concentration of auxin stimulates the cells to grow longer on the side of side which is away from light. | |
| 3931. |
Explain why detergents are better cleansing agents then soaps in hard water |
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| 3932. |
Explain why detergents are better cleansing agents then soaps in hardwater |
| Answer» Because detergents do not produce insoluble substance (scum) after washing unlike soaps. | |
| 3933. |
Explain 10%law of energy flow in the food chain |
| Answer» Acc. to 10 percent law, only 10 percent of the energy entering a particular trophic level of organisms is available for transfer to the next higher trophic level. | |
| 3934. |
Can a image will form if the half of convex lens is covered with a black paper if yes how ? |
| Answer» Rays coming from the object are blocked by the black paper covering only half of the lens.Position of image: at 2F2Nature: real and invertedSame size as object | |
| 3935. |
All single displacment reaction are irreversibal reaction Explane |
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| 3936. |
Practical Portion for class 10 |
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| 3937. |
Generic drift |
| Answer» Genetic drift is the change in the frequency of an existing gene variant (allele) in a population due to random sampling of organisms. | |
| 3938. |
Kya board me sirf ncert se aainga |
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Answer» 101% @pprox 60% 60%-65% final 80% |
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| 3939. |
Diff hard and soft water |
| Answer» \t\xa0Hard waterSoft waterContainsHard water contains high amount of calcium and magnesium.Soft water contains high amount of sodium.BenefitsHard water is a good source of calcium and magnesium in the body. Hard water also reduces the solubility of toxic metal ions.Soft water is not harsh on the skin, clothes, dishes, etc.ProblemsHard water can leave the clothes rough and worn out during washing; hard water also makes it difficult to take off dirt from the skin and leaves a film on skin and dishes when washing them. Build up of limescale and galvanic erosion are also problems caused by hard water.Soft water does not give off any problems, though it is less beneficial than hard water in consumption. Softened water is also known to emit lead from old pipes in the supply system.\t | |
| 3940. |
different between tadi and wave |
| Answer» 1.Tides are periodic rise and fall of large masses of water.Tides are formed because of the interaction of the gravitational forces between the Earth, the moon, and the sun. Waves are formed because of the gusting or raging force exerted by the wind on the water surface. This happens all the time.2.Tides are usually generated at the deep oceanic regions while waves are usually seen at shallower areas of the sea.3.Tides are made by the rising and falling sea levels with the action of gravity while waves are formed when several factors relating to the wind and water interact with each other.4.Tides only occur in the oceans, while waves can be seen in any water body. However, large lakes can sometimes experience small tides.5.Tides and waves differ from each other in their method of formation. Wave is formed by various factors such as wind speed, the distance to which the wind slides, width of the area affected by fetch, the length of time the wind has blown over the area, and of course the depth of water. Tides are formed depending on the behavior of the moon and the sun. | |
| 3941. |
What is the difference between exhalation and inhalation? Chapter- Life Process |
| Answer» Inhalation is the process of breathing in whereas exhalation is breathing out. | |
| 3942. |
what is different between speed and valocity |
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Answer» Direction is given in velocity but not in speed Speed is the distance traveled by an object where as, velocity is distance traveled by an object per unit time in a particular direction. Speed is a scalar quantity where as velocity is a vector quantity. |
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| 3943. |
what is difrent between speed and velocity |
| Answer» velocity has a path in a specific direction but in case of speed it has no fixed direction | |
| 3944. |
Define Evolution. How it occurs?Describe how fossils provides us evidence in support of evolution?? |
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| 3945. |
Why are different organisms use different mode of nutrition ? |
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| 3946. |
three difference b/w ionic compound and covalent bond |
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Answer» i want differences not defination of ionic compound Ionic compounds are made by transfer of electrons,covalent compounds are made by sharing of electrons |
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| 3947. |
Electric motor and electric generator is coming in examination.???? |
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| 3948. |
Do all electrons have same properties? |
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| 3949. |
Why wire produce magnetic field |
| Answer» Due to motion of electron and proton inside wire | |
| 3950. |
If magnification is negative in mirror then which type of image form |
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Answer» Real and inverted Real and inverted Real and inverted- concave mirror Real and inverted |
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