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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.
| 2951. |
What is the meaning of force |
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Answer» Force means the things which is in mass or motion adaIndian army cjjj A force is a product of mass and velocity |
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| 2952. |
Can the motion of earth moving round the sun an example of uniform accelerated motion??? |
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| 2953. |
What happens to the stepwise increasing speed-time graph when size of each step is made very small |
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| 2954. |
What is source of light in electron microscope |
| Answer» A light emitting device is the source of light in electron microscope | |
| 2955. |
Describe what would happen in the cell absence of cell wall in the bacteria |
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| 2956. |
What is tropism |
| Answer» A turning of all or part of an organism in a particular direction in response to an external stimulus | |
| 2957. |
Show diagram of microscope |
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| 2958. |
Why Kelvin called better scale of tempreture then celcius |
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Answer» Bcoz Kelvin scale starts from absolute 0 temp. Scale Unki marji tuzhe kya karna he |
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| 2959. |
Formulae of speed |
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Answer» v=s/t Distance/time taken Distance/time taken Speed=(total)distance/(total)time D/t |
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| 2960. |
What is the word equation for SP3 |
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| 2961. |
How does the epidermis help the cactus |
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Answer» Epidermis produces a water resistance chemical called cutin on the body of cactus. So that transpiration does not take place from stomata. Epidermis help the cactus by protect their skin layer and against the loss of water which transpirate by their skin . That why water will not transpirate from skin and water will be mantain in cactus . |
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| 2962. |
Who wrote the book "the origin of species |
| Answer» Charles Darwin | |
| 2963. |
How is crystallization better than evaporation |
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Answer» Crystallisation is a process that separates a pure solid in the form of its crystals from a solution.Crystallisation is better than evaporation because during Evaporation• Some solids decompose or some, like sugar may get charred on heating to dryness.• Some impurities may remain dissolved in the solution even after filtration which on evaporation contaminates the solid. 1.Some solids get charred on heating.2.Some impurities may remain dissolved in the solution even after filtration.On evaporation ,these contaminate the solid. |
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| 2964. |
What is clinical thermometer |
| Answer» The thermometer used for measuring the temperature of human body is called clinical thermometer. The range of a clinical thermometer is from 35°C to 42°C. A clinical thermometer cannot be used to measure high temperatures because it has been designed to measure only human body temperature which varies over a short range. If it is used to measure high temperatures, it will get damaged. | |
| 2965. |
What is wedding? |
| Answer» Weeding: Removal of weeds is called weeding. Weeding is usually done manually or by using a trowel. Weeds are also removed during ploughing. Weedicides are the chemicals which destroy weeds. 2, 4 – D is an example of weedicide. Weedicides are sprayed before flowering and seeding in weeds. A farmer needs to take precautions to prevent any harm from weedicide. The farmer needs to wear protective cloths and masks while spraying a weedicide. | |
| 2966. |
What is underwear |
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| 2967. |
The boiling point of liquid argon is? |
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Answer» Liquid argon\xa0has\xa0a boiling point\xa0of –303°F (–186°C). -185.8C |
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| 2968. |
Which is the smallest bone of our body |
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Answer» Stapes. Stapes The\xa0smallest bone in the human body\xa0is called stapes, located\xa0in the\xa0middle ear. Stapes. It is present in the middle ear |
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| 2969. |
What is the total number of muscles in our body?? |
| Answer» The muscular system is an organ system, involved majorly in the movement of the body. There are nearly 700 muscles that are connected to the bones of the skeletal system, which roughly half make up the human’s body weight. Every muscle is a different organ made of blood vessels, skeletal muscle tissue, nerves, and tendons. Muscle tissues are found in the heart, blood vessels, and\xa0digestive system. | |
| 2970. |
Which is the strongest bone in the body?? |
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Answer» https://youtu.be/0pJVD5j6foA The femur bone is the longest and strongest bone in the body. Femur The femur is the\xa0bone\xa0in the human\xa0body\xa0which is\xa0strongest\xa0among all. It stretches the hip to the knee. It can withstand a force of as much as 1,800 to 2,500 pounds. |
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| 2971. |
Derive second equation of motion from velocity time graph |
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Answer» Matter is Made up of Small partical Derive\xa0the\xa0second equation of motion\xa0s = ut + (1/2)at2\xa0using the\xa0velocity-time graph. Consider the linear\xa0motion\xa0of a body with an initial\xa0velocity\xa0u. Let the body accelerate uniformly and acquire a final\xa0velocity\xa0v after\xa0time\xa0t. |
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| 2972. |
CAN U GIVE ME ANY TWO EXAMPLES OF DIFFERENT TYPES OF CELLS IN THE BACTERIA BODY |
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| 2973. |
How the presence of Squamous Epithelium in Alveoli of lungs help? |
| Answer» Carbon dioxide, a waste product, passes across the epithelium of the alveoli to be removed from the body. Striated, columnar and cuboidal epithelium is absent in the lines of alveoli.\xa0 | |
| 2974. |
What is newton\'s law of gravitation,? |
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Answer» The Universal Law of Gravitation states that every particle attracts every other particle in the universe with a force that is directly proportional to the product of the masses and inversely proportional to the square of the distance between them. The Universal Law of Gravitation states that every particle attracts every other particle in the universe with a force that is directly proportional to the product of the masses and inversely proportional to the square of the distance between them. Newton\'s Law of Gravity\xa0says that the force between two masses, and that\'s the\xa0gravitational\xa0force, is equal to the\xa0gravitational\xa0constant G times the mass of the first object times the mass of the second object divided by the distance between the two objects squared. So that\'s simple enough. |
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| 2975. |
Who found the law of conservation of mass |
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Answer» Law of conservation of mass was found by Antoinette Lavoisier The Law of Conservation of Mass dates from Antoine Lavoisier\'s 1789 discovery that mass is neither created nor destroyed in chemical reactions The Law of Conservation of Mass dates from Antoine Lavoisier\'s 1789 discovery that mass is neither created nor destroyed in chemical reactions Antoine Lavoisier\'s John Dalton found the law of conservation of mass. |
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| 2976. |
A bicycle increase its velocity from 10km/h to 15km/h in 6sec . Calculate its acceleratetion? |
| Answer» Initial velocity = u = 10 km /hr= 10 x 5 /18= 2.77777= 2.8 m /sFinal velocity = v = 15 km / hr= 15 x 5 / 18= 4.16 m /s [ approx .]Time = t = 6 seca = accelerationEquation of motion :v = u + at4.16 = 2.8 + 6a6a + 2.8 = 4.166a = 4.16 - 2.86a = 1.36a = 1.36 / 6a = 0.22 m /s² | |
| 2977. |
What are the function of stomata |
| Answer» Functions of the stomata\tThey allow the exchange of gases (CO2 and O2) with the atmosphere.\tEvaporation of water from the leaf surface occurs through the stomata. Thus, the stomata help in the process of transpiration.\tBased on the climatic conditions, it closes or opens its pores to maintain the moisture balance.\tAllows the intake of carbon dioxide and to give out oxygen during the process of photosynthesis.\tStomata remains open during the day and closed at night. This closure at night prevents water from escaping through open pores. | |
| 2978. |
Write the properties of Golgi apparatus |
| Answer» \tThe stacks of flattened membranous vesicles are called Golgi apparatus.\tIt basically stores, packs and modifies the products in vesicles.\tIt temporarily stores protein that moves out of the cell through the vesicles of the Golgi apparatus.\tIt packs and transports the materials synthesised in Endoplasmic Reticulum to different targets inside and outside the cell. | |
| 2979. |
Why is the plasma membrance called a selectively permable membrane |
| Answer» lasma membrane called a selectively permeable membrane because it regulates the movement of substances from within to outside of the cell. This means that the plasma membrane allows the entry of some substances while preventing the movement of some other substance | |
| 2980. |
What is the meaning of protoplasma ? |
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Answer» In short the sum of nucleus and cytoplasm it is wrong that the fluid like substance A fluid like substance inside the cell Plz check in text book it\'s given |
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| 2981. |
What is matter and it\'s characteristics? |
| Answer» Matter and Its CharacteristicsMatter\xa0is everything around you which is made up of particles. It has mass and occupies space. Mass is a physical quantity which expresses the amount of stuff in an object. The space inside the container that is occupied by\xa0matter\xa0is\xa0its\xa0volume. | |
| 2982. |
Which is the 21 Element? |
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Answer» Scandium Scandiam |
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| 2983. |
Convert the following to the Celsius scale (a) 293K (b) 470K |
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Answer» 293-273 =20 degree celcius To concert Kelvin scale into Celsius scale we have to subtract 273 so(a) 293K = 293 - 273=20 ºC,(b) 470K = 470-273 = 197 ºC |
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| 2984. |
Suggest a method to liquify atmospheric gases |
| Answer» The gases can be converted into liquids by bringing its particles closer so atmospheric gases can be liquefied either by decreasing temperature or by increasing pressure. | |
| 2985. |
What is the physical state of water at (a)250 C (b) 100C |
| Answer» The physical state of water at 250 degrees Celsius ( 250 ºC) is a gaseous state. As we know that the boiling point of water is 100ºC. So at\xa0100ºC the physical state of water is liquid. | |
| 2986. |
Convert the following temperature to Celsius scale (a)300K(b) 573K |
| Answer» a) Temperature on Kelvin scale = temperature in Celsius scale + 273300 = temperature on Celsius scale + 273Temperature of Celsius scale = 300 - 273 = 27°CHence, a temperature of 300K on kelvin scale is equal to 27° C on Celsius scale.b)Temperature on Kelvin scale = temperature in Celsius scale + 273573 = temperature on Celsius scale + 273Temperature of Celsius scale = 573 - 273 = 300°C | |
| 2987. |
What are the difference between compound and mixtures |
| Answer» \tSl. No.Differentiating PropertyCompoundMixture1DefinitionCompound are substances which can be formed by chemically combining two or more elements.Mixtures are substances that are formed by physically mixing two or more substances.2TypesCompounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds. \xa0Note:\xa0Compounds can be classified as organic compounds or inorganic compounds depending on the presence of carbon in the molecular structure.Mixtures are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.3Substance CategoryCompounds fall under pure substances.Mixtures can be categorized as impure substances.4Composition DetailsThe chemical composition of compounds is always fixed.A mixture can have a variable composition of the substances forming it.5NatureCompounds are always homogeneous in natureMixtures can either be homogeneous or heterogeneous in nature.\t | |
| 2988. |
What is the physical state of water at.(a)25C (b) 0C (C) 100 C |
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Answer» (a) 25C - The physical state of water 25C is liquid(b) 0 C - The physical state of water 0C is\xa0a fusion of solid and liquid state.(c) 100C - The physical state of water\xa0100C is a fusion of liquid and gas....Add a THANKS down here. The physical state of water 25C is liquid.The physical state of water 0C is solid.The physical state of water\xa0100 C is liquid. |
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| 2989. |
ssertion: Carbon dioxide is a compound. Reason: Carbon dioxide is a pure chemical substance |
| Answer» A chemical element is a pure chemical substance consisting of a single type of atom distinguished by its atomic number, which is the number of protons in its atomic nucleus.A compound is a chemical species that is formed when two or more atoms join together chemically, with covalent or ionic bonds.Examples: NaCl,KCl and NaOHSo, Carbon Monoxide is considered a compound but carbon and oxygen as elements | |
| 2990. |
Collins |
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| 2991. |
Hydrogen exist in the three isotopic forms. Why are the isotopes of hydrogen chemically alike? |
| Answer» Because they are of the same element | |
| 2992. |
Short notes of 1.the central highlands 2.the island group of india |
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Answer» (i) The Central Highland: The Peninsular Plateau consists of the broad divisions the Central Highlands and the Deccan Plateau. The part of the Peninsular plateau to the north of the Narmada river covers a major area of the Malwa plateau is known as the Central Highlands. The Vindhyas range is bounded by the Central Highlands on the south and the Aravalis on the northwest. The further westward extension gradually merges with the sandy and rocky desert of Rajasthan. The flow of the rivers draining this region, namely the Chambal, the Sind, the Betwa and Ken is from southwest to northeast, thus indicating the slope. The Central Highlands are wider in the west but narrower in the east. The eastward extensions of this plateau are locally known as the Bundelkhand and Baghelkhand.(ii) The Island Groups of India: India has two island groups - the Lakshadweep Islands and the Andaman and Nicobar Islands. The Lakshadweep Islands group lies close to the Malabar coast of Kerala. This group of islands is composed of small coral islands. Earlier they were known as Laccadive, Minicoy and Amindive. In 1973, these were named as Lakshadweep. It covers small area of 32 sq km. Kavaratti Island is the administrative headquarters of Lakshadweep. The Andaman and Nicobar Islands are located in the Bay of Bengal. They are bigger in size and are more numerous and scattered. The entire group of islands is divided into two broad categories -\xa0the Andaman in the north and the Nicobar in the\xa0south. These island groups are of great strategic importance for the country. They lie close to equator and experience equatorial climate and has thick forest cover. The central highlands |
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| 2993. |
Short notes |
| Answer» What is matter define | |
| 2994. |
3. What are constituents of phloem?. Please give me answer please |
| Answer» The constituents of phloem are Sieve tubes, Companion cells, Phloem parenchyma, Phloem fibres. | |
| 2995. |
2. What are Eukaryotic cells?. Please give me answer please |
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Answer» \t\xa0Prokaryotic cellEukaryotic cell1Nucleus absentNucleus present2One chromosome presentMore than one chromosome3Membrane bound cell organelles absentMembrane bound cell organelles present4Cell size very small.Cell size comparatively larger.5Cell division occurs by budding or fission.Cell division occurs by mitosis or meiosis\t The cells which have a well- defined nucleus and also have membrane bound organelles are all eukaryotic cells. |
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| 2996. |
What is avogadro constant?? |
| Answer» 6.022 × 10 ^23 | |
| 2997. |
Give the distribution of electron in carbon and sodium atom |
| Answer» The total number of electrons in a carbon atom is 6. The distribution of electrons in carbon atom is given by: First orbit or K-shell = 2 electronsSecond orbit or L-shell = 4 electronsOr, we can write the distribution of electrons in a carbon atom as 2, 4.The total number of electrons in a sodium atom is 11.The distribution of electrons in sodium atom is given by:First orbit or K-shell = 2 electronsSecond orbit or L-shell = 8 electronsThird orbit or M-shell = 1 electronOr, we can write distribution of electrons in a sodium atom as 2, 8, 1. | |
| 2998. |
What are the differences between uniform motion and uniform speed? |
| Answer» Uniform Motion:\xa0This type of motion is defined as the motion of an object in which the object travels in a straight line and its velocity remains constant along that line as it covers equal distances in equal intervals of time, irrespective of the duration of the time.Example of Uniform Motion:\tIf the speed of a car is 10 m/s, it means that the car covers 10 meters in one second. The speed is constant in every second.\tMovement of blades of a ceiling fan.Uniform speed: A object is said to be in uniform speed when the object covers equal distance in equal time intervals. | |
| 2999. |
What happen if we add copper sulphate crystal in water |
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Answer» Thanks for answer If copper sulphate crystals are added to water then the particles of copper sulphate crystals loses attraction between them and starts moving continuously and gets mixed up with water . Water color changes to blue If copper sulphate crystals are added to water then the particles of copper sulphate crystals loses attraction between them and starts moving continuously and gets mixed up with water . Water color changes to blue . |
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| 3000. |
Is light matter?? |
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Answer» no who was the men of the english Not matter Hello Light is a form of energy, not matter...matter is made up of atoms...light is actually electromagnetic radiation... |
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