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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.
| 40701. |
What is function of brushes and rings in electric generator? |
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Answer» Carbon brushesh in contact with tha comutator is used to collect the generated power from the generator. Hhhh Brushes help in transferring current from the coil to external circuit Function:- Carbon brushes in contact with the commutator is used to collect the generated power from the generator. |
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| 40702. |
Explain the term GDP . |
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Answer» Ye que tag kis subect me kiye hoo hai social sci ka aur sci me tag hai It is the sum total of all the values of goods and services produced in a particular financial year of a country. Gross domestic product. Gross domestic price of a country which is calculated by central government of the country GDP is gross domestic product by which we can measure a country economy |
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| 40703. |
Advantage of vegetative propagation |
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Answer» Plants produce by vegetative propagation can bear fruit and flowers earlier than produced from seeds Vegetative propagation is a easy and fast method New part of plant can be obtained from the part of parent plant It is not expensive |
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| 40704. |
State one industrial application of reduction. |
| Answer» For the production of cao and co2 from caco3. | |
| 40705. |
What do you mean by the term rancidity |
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Answer» When the food is rotten due to oxidation of food and gives out bad taste and smell Oxidation of food give false smell and taste Due to oxidation of oily food it changes the smell and taste of food termed as rancidity |
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| 40706. |
Dfffff |
| Answer» ???? | |
| 40707. |
Give an example of a flower which contains both stamens and Carole\'s |
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Answer» Watermelon Hibicus or mustard or pea Yes I think musturd Mustard |
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| 40708. |
What is the expected ratio of genotype BB and Bb in the F2 progeny |
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| 40709. |
Define cellular respiration |
| Answer» the respiration which takes place in cells | |
| 40710. |
Activity in science |
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Answer» Not that but thanks ☺? The arrangement of metals in metals in a vertical column in the order of their decreasing reactivities is called activity or rractivity series of metals. |
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| 40711. |
Define left hand rule |
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Answer» must watch for better understandinghttps://youtu.be/8li1Vp8vLaI Check in NCERT book |
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| 40712. |
OK my last question, on which the value of induce emf produce in a coil depends on? |
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Answer» ?? ? bye Yes thank you . Let\'s meet at 01:30 with lots of doubts Or may be magnetic strength and no.of turn of wire Correct answer is :rate at which number of magnetic lines of force change through the coil Not sure Means there should be relative Movt. .. Movt....of coil either it is moved inside or outside |
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| 40713. |
Or prvious papers of ecam |
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| 40714. |
Solving sample papers affective or not |
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Answer» ???bye ???????? Thanks Sudhanshu but I would suggest to start from hard or big chapter......that would let you to secure max..marks first see sample of cbse 2018 and get idea about from which chap....questions. .of max...marks are asked.....that\'s all. Thanks darshan ti motivaye me Nothing is Impossible in life because impossible says I\'m possible ? Waise aapka revision ho gya??? Is it possible to complete Please. Study in a plan way first simple chapter se start kero. Ho jayega Please suggest me Ook But it seems to that i cant complete my prepration i am very tensed Ok i will try You shouldn\'t only solve samples but also should have confident about your preparation and if not then continue. ..learni5 Well , but i cant the sample papers of science bcoz i hve not completed. My revisions I don\'t solve sample paper but only have solved of cbse 2018 single paper and got the idea about pattern. Oo thanks Very affective because it gives us idea what type of the question are likely to be ask in board |
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| 40715. |
Can you give the science lab manual book in this aap. |
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Answer» Yaha too bas text send kar sakta hu nhi image nhi pdf file ya kuch bhi only text allowed here too kaise du Dwnld kar loo pdf me |
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| 40716. |
Electric motor works how |
| Answer» Electric motor is a device which converts electric energy in to mechanical energy.Electric motor: Electric motor works on the principle of force on a conductor carrying current moving in a magnetic field.Working:When an electric current is passed through through a conductor placed normally in a magnetic field, a force acts on the conductor as a result of which the conductor begins to move and work is obtained. The direction of force acted can be found by using Fleming\'s left hand rule. | |
| 40717. |
The human eye forms the image of an object as its |
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Answer» Optical illusion ?????? |
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| 40718. |
Why ammeter is always connected in series and voltmeter in parallel connection? |
| Answer» Ammeter is connected in series since it has very low resistance and so when it is connected in series then total resistance of the circuit doesn\'t increase.Voltmeter is connected in parallel because it has high resistance and so it draws very less current from the main circuit. | |
| 40719. |
If inverted image is formed in retina, then how can we see the erect image? |
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Answer» By optic nerve which send electrical signals to brain. The brain interprets these signals and convert real image into eract image Its because of optic nerves actually it interprets the image formed in retina Brain interpret it erect |
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| 40720. |
What happens when sodium iqs poted in an matel countanes |
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| 40721. |
I want science pattern of this year |
| Answer» See cbse sample paper | |
| 40722. |
What is air |
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Answer» a purely transparent invisible material Air is the mixture of many gases like Nitrogen, oxygen, carbon dioxide, dust particles and noble gases. |
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| 40723. |
Why acid do not react with non-metal? |
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Answer» Because the oxides of nonmetallic is basic itself bcoz they have positive H ion. |
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| 40724. |
Which gas is present in bio-gas and CNG |
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Answer» Biogas-Mathane, carbon dioxide, hydrogen and hydrogen sulphide CNG- methane Methane |
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| 40725. |
Define construction of electric motor |
| Answer» Electric motor: It converts electrical energy into mechanical energy.Principle : A current carrying conductor placed perpendicular to magnetic field experiences a force.Construction:1) Armature coil:It consist of a single loop of an insulated copper wire in the form of a rectangle.2) Strong field magnet:Armature coil is placed between 2 pole pieces of a strong magnet which provide strong magnetic field.3)Split ring type commutator:It consist of 2 halves of a metallic ring.The two ends of armature coil are connected to these 2 halves of ring.Commutators reverses the direction of current in armature coil.4)Brushes:Two carbon brushes press against the commutator.These brushes act as contact between commutator and terminal battery.5)Battery:It is connected across the carbon brushes.It supplies current to the armature coil. | |
| 40726. |
What is role of prostate gland |
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Answer» Release semen which provide nourishment and medium of flow to sperm cells Mr. Devesh do u know any boy named darshaya...??? |
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| 40727. |
What do you mean by myopia? |
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Answer» A person who cannot see far or distant object clearly. Myopia is a near sightnees |
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| 40728. |
Why does the petrol smell? |
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Answer» Also due to gasoline Because it has methane........ |
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| 40729. |
Who discovered the Genetics? |
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Answer» Are han vahi Gregor Johann Mendel Mendel Mendel |
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| 40730. |
What is brine solution and brine formation? |
| Answer» NaCl+Water is brine | |
| 40731. |
Differentiate between pollination and fertilisation |
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Answer» 1) Pollination is a part of asexual reproduction and fertilisation is a part of sexual reproduction.2) Pollination is a process in which transfer of pollen grains takes place from anther to stigma and Fertilisation is a process in which fusion of male and female gamete takes place to form zygote... Pollination is the transfer of pollen grains from anther to the stigma of a flower. Fertilisation is the fusion of male and female gametes. |
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| 40732. |
Why is there a need to harness non conventional sources of energy? Give two main reasons. |
| Answer» 1 they can be exhausted2 to protect or conserve resources for future generations | |
| 40733. |
Why the elements sodium and cholrine placed in the same period of perodic table |
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Answer» Because they contain same number of shells Because they are metal |
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| 40734. |
what is vilai |
| Answer» Small finger like projections in intestine | |
| 40735. |
What deevice is use to change the resistant without changing it current |
| Answer» Anybody wanna to my friend | |
| 40736. |
explain the types of evolution |
| Answer» Evolutions: \xa0It is the sequence of gradual changes which take place in the primitive organisms over millions of years in which new species are produce.The Evidences of evolution are:i. Homologous organs,ii. Analogous organsEvolutions are of three types:-(i) Convergent evolution(ii) Divergent evolution(iii) Parallel evolution\xa0 | |
| 40737. |
What is myopia eye |
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Answer» It is a defect in which a person can see nearby objects clearly but can\'t see distant object clearly Which can see near things clearly but not far ones Which doesn\'t see far object |
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| 40738. |
Why the planets do not twinkle at night |
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Answer» Planets do not twinkle because they are non luminescent bodies. And they do not emit light as starts do. Up to their choice |
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| 40739. |
Why is there a need to harness non conventional sources of energy |
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Answer» M I right YASH Because conventional sources are limited. ...and to meet our growing demands we need to harness non conventional....sources Because conventional resource (natural resources) are limited in nature |
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| 40740. |
Suna h k board k exam ki date delay ho gai h...12 march s strt hTribune me aaya hua h |
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Answer» Is it really happening ??? Kya..????? sch me Maine aaisa kuch v nhi suna h |
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| 40741. |
What is holozoic nutrition |
| Answer» It is a type of hetrotrophic nutrition that is characterized by the internalization and internal process of gaseous,liquid ,or solid food particle . | |
| 40742. |
What is the full form of EMI |
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Answer» EMI or equated monthly installment , is one part of the equally divided monthly out goes to clear off an outstanding loan within a stipulated time frame. Yaar phale ye bataoo ki ye science hai ya social socience se i guess ye economics se hai sayad matlab social studies se hai Definition batao koi Electro Magnet induction? Equated Monthly Installment |
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| 40743. |
Who will win today India or south Africa? ? |
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Answer» India kholi sir big fan rcb is my team in ipl rcb rcb just playbold royal challnger Ha bhai kon jeeta |
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| 40744. |
Metal and it\'s state |
| Answer» Metal is a malleable and ductile substance , it is mostly solid at room temperature except mercury | |
| 40745. |
Units measure error |
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| 40746. |
What are amphoteric oxides with two examples? |
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Answer» The oxides which behaves like acid and base both are called amphoteric oxidesEx. Al and Zn Amphoteric oxides are those oxides that show acidic as well as basic behaviour like zinc and aluminium ex:-Aluminium Oxide And Zinc Oxide Oxides which show acidic as well as basic behaviour , for example zinc oxide and alluminium oxide |
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| 40747. |
What is forebrain? |
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Answer» Front part of brain is called forebrain , it performs functions like thinking etc. the anterior part of the brain, including the cerebral hemispheres, the thalamus, and the hypothalamus |
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| 40748. |
How the twins born? |
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Answer» Kam se Kam answer to diya But I said I did due to not having appropriate scientific definition. ..now can\'t uh stop pointing me out Yes ye google kar ke answer dee rahi hai The reason is that I didn\'t had appropriate scientific definition U googled :keen to increase your chances of conceiving two babies then it\'s important to understand how twins are made. There are two types of twins; identical and non-identical. Identical or monozygotic twins are formed when one egg is fertilized by one sperm which then divides into two separate embryos. |
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| 40749. |
what do you mean by gestapo in the novel the diary of a young girl |
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| 40750. |
Why ethanol is called anti freeze mixture. |
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Answer» Because it is a mixture of water and alcoholAnd its freezing point of ethanol is very low It prevents water from freezing in radiator. Because freezing point of ethanol is very low and it prevents water inside radiators from freezing |
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