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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.
| 6601. |
What is centre of curvature? |
| Answer» The centre of sphere from which we have taken that spherical mirror is known as centere of cuvature (in lens it is written as 2F) | |
| 6602. |
Why some metals are more reactive and other less reactive |
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Answer» The nature of metal to loose electrin differ from metal to metal that determines its reactivity On the basis of reactivity series that determine that which metal is more reactive and which is not |
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| 6603. |
In grp nature of oxides? |
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Answer» Toward the bottom of the group the oxides are more basic, but do not lose their acidic character completely. A compound with both acidic and basic properties is called amphoteric. The trend, therefore, ranges from acidic oxides at the top of the group toward amphoteric oxides at the bottom. Second group |
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| 6604. |
Who is the founder of atom |
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Answer» Democritus J J Thomson |
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| 6605. |
How the plant mimosa pudica detect touch? |
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Answer» In Mimosa pudica there is turgidity of water around its leaves so when we touch it it get shrink They r sensitive towards touch and they fold their leaves if anyone touches it |
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| 6606. |
Precipitation |
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Answer» Thnx eveyone for yr help... When any substance reacted with any other substance in this reaction there is one substance that go down that substance called precipitation Insoluble product formed by reaction of reactant is called precipitate reaction Precipitate = solid substance ( crystal ) Formation if precipitate in any reaction |
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| 6607. |
Difference between groups and periods.. |
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Answer» Vertical columns are called groups.There are 18 groupsHorizontal rows are called period.There are 7 periods Group fb aur whatsapp par banta hai aor period ladkiyon ko ata hai Groups are 18 in number but periods r 7 in number In the modern periodic table there are 18 group and 7 period |
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| 6608. |
Mechanism of heredity work |
| Answer» Depends of chromosome >DNA > Gene > Allele | |
| 6609. |
Write the number of covalent bonds in the molecule of ethane |
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Answer» It is C2H6 ...count it 7 covalent bonds |
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| 6610. |
What happens if there is shortage of water in urine? |
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Answer» Color will turns yellowish and irritation will happen in passage There will be more production of phosphorus and ammonia Tumhari gaand jalne lagegi |
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| 6611. |
What is S- block element |
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Answer» Gropu no 13 to group no 18 r S- block elements Alkali metal and alkali earth metal is known as S block element means the alkali metal have valency of 1 and alkaline earth metal have valency of 2 |
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| 6612. |
What are the advantages of Mendeleev\' s Periodic Table ? |
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Answer» He was firstly started to form the periodic table, he was givinng the place to noble gas in the periodic table, he also left the spaces for the upcoming elements 1) he forecasted about the noble gas . 2) he also forecasted about some other elements so he left some space |
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| 6613. |
What is gypsum salt? |
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Answer» It is also used in cement to make the structure hard It is a salt which contain water of crystallization and have formula of cas4.2h2o CaSO4.2H2O |
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| 6614. |
Which metal burns with a golden flame? |
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Answer» Sodium Sodium |
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| 6615. |
Why is pancreas called double function gland |
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Answer» Sry both* Bith* Bcz it us bith endocrine & exocrine |
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| 6616. |
Chemical eq |
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Answer» A chemical eq. Is the symbolic representation of a chemical reaction in the form of symbols and formulae , where in the reactant entities are given on left hand side and the products on the right hand side. Represention of reaction in short Symbolic representation of element is known as chemical equation |
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| 6617. |
What is Grange? |
| Answer» Impurities in ore / minerals :- its gangue | |
| 6618. |
Define restisance |
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Answer» The resistance of conductor and it is defined as ratio of electric potential to electric current resistance are those material which opposes the flow of current The ratio between potential difference and Current is called restisance It S. I unit is ohm It is a restriction during the flow of current Current* The property of any conductor to resist/ oppose the flow of currently |
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| 6619. |
Do space has gravity |
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Answer» not at all In vaccum no gravity No Don\'t know |
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| 6620. |
How are brain and spinal cord protected |
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Answer» Brain :- by skull & spinal cord :- by vertebral column Brain is protected by the skull and spinal cord by the backbone. |
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| 6621. |
What is turgor movements? |
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Answer» Ok Turgor movement is a movement which is based on water movement in the plant Nope water is not !! It is formation of tendril in creepers ( nastic ) Yes U mean movement of water Turgor movement is a movement which is movement of water which is based on Nastic Movement for example Mimosa pudica |
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| 6622. |
All ores are mineral but all minerals are not ore justify |
| Answer» yes your statement is right. b/c we calcuate all ores from the mineral. | |
| 6623. |
How did opening and closing of stometa tacks place? |
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Answer» See in practicle. By guard cell |
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| 6624. |
Give 4 points of differences between displacement and double displacement reactions. |
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Answer» see in S. chand. More reactive metal displaces less reactive from.it\'s salt solution :- displacement !! Both the metaks exhange their ions and corresponding solution :- double |
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| 6625. |
What is omega? |
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Answer» It\'s angular frequency as well as unit of resistance in physics Thats Omega 3 ...samaira Okay got it Omega is a fat content richly found in oil But it in Greek word it is written as Omega The S.I unit of resistance is known as omega stupid it is also the s i unit of resistance Nope unit of resistance is ohm It is a Greek word which is mean of Ohm What is s i unit of resistance |
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| 6626. |
The angle between incidence ray and reflected ray is 60.what is the angle of incidence |
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Answer» angle i=angle r so 60/2 = 30 30 30° 30 60 30° |
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| 6627. |
Molecular structure of P4 |
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Answer» Here Not possible |
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| 6628. |
What is auxin and funtion |
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Answer» Uses :- cell division , cell differentiation , envokes gibberelin to release hormone , growth in node of shoot oart , it\'s presence is required for phototropic movememt , inhibiting growth in the root Its a phytohromone |
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| 6629. |
What happens to DNA when a cell reproduces |
| Answer» DNA replicates itself to produce copies | |
| 6630. |
Difference between fragmentation and Regenaration |
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Answer» Frag. is not true for all multicellular organisms.Now,Multicellular organisms have cells.... tissues....organs.... organ system...... so they can\'t b cut by every organ to reproduce.In regeneration every body part can be cut to reproduce. Difference is that the fragmentation specified two parts each growing into complete organism but regeneration is simply a general process of regrowth Regeneration :- if any part regenerates / cimes again like as tail of lizards That us fragmentation One organisms fragments itself ue breaks down into many |
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| 6631. |
Human beings scientific nme? |
| Answer» Homo sapiens | |
| 6632. |
What are the evidence of evolution? |
| Answer» Evidence for evolution: anatomy, molecular biology, biogeography, fossils, & direct observation. ... Evidence for evolution comes from many different areas of biology: ... Species may share similar physical features because the feature was present in a common ancestor | |
| 6633. |
What is the formula of sodium streate |
| Answer» C18H35NaO2 | |
| 6634. |
Electro magnetic induction numericals |
| Answer» | |
| 6635. |
In situations conservation natural habitat |
| Answer» | |
| 6636. |
How many pico in one metre |
| Answer» | |
| 6637. |
Ammu reactivity series yaad hai |
| Answer» Haaaa | |
| 6638. |
What is \'Amalgam\'? |
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Answer» A mixture or blend It is an alloy of mercury with another metal |
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| 6639. |
What is organic compounds |
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Answer» An organic compound is any member of a large class of solid liquid or gase(chemical compound whose molecule contains carbon) An organic compound is virtually and chemical compound that contains carbon. |
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| 6640. |
Difference between female gamete and male gamete |
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Answer» Male gamate is motile while female gamate is non-motile Male gamete is produce hormons like testosterone and female gemate produce estrogen |
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| 6641. |
Why we should not leave HCL in open air? |
| Answer» Because it is a strong acid ,it catch fire easily in open air. | |
| 6642. |
Differentiate between calcination and roasting. |
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Answer» Heating of con. Metal in the presence of air below it\'s MP is roasting and the process of heating of con ore in the absence or limited supply of oxygen is called calcination In Calcination carbonate ores are converted to oxideWhile roasting is conversion of sulphide ore to oxide |
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| 6643. |
Define metabolism? |
| Answer» Conversion of complex molecules of food in simple like starch is converted to sugar in metabolism | |
| 6644. |
what is the difference between embryo,zygode and fetus |
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Answer» Both female and male gametes fuse together and the resulting cell is called embryo Embryo divides further to form group of cells called zygote When zygote shows human structure such as head, hand, leg it is called feotus Zygote 9s the firstcell from after fertilisation ,embro is next stage after fertilisation than in foetus we can see the body parts |
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| 6645. |
When will the class 10th scheme will come |
| Answer» | |
| 6646. |
Why sometime haloes and rings round moon and sun |
| Answer» | |
| 6647. |
Why we should not leave NaCl in open air? |
| Answer» It will absorb moisture and become watery. | |
| 6648. |
Is water conservation is necessary |
| Answer» Yeh | |
| 6649. |
Why light travel in stragiht path |
| Answer» Lights are in the rays form and rays are straight so they move in straight path | |
| 6650. |
Difference between trypsin and pepsin |
| Answer» Trypsin .........1) produced in stomach...............2) acts in acidic medium................Pepsin..........1) produced in pancreas..............2) acts in basic medium............. | |