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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.
| 4951. |
How does immune system of our body functions |
| Answer» Concentration or focus bu Ñîkūñj maheshwari..... | |
| 4952. |
Why is air more dense at sea level? |
| Answer» As atmospheric pressure is more at sea level | |
| 4953. |
What are anode ray and cathode ray |
| Answer» Cathode ray is a collection of electron beam emerging from cathode end and strike anode plate. It is therefore negatively charged whose e/m ration is constant for all the gases therefore called universal constant. The mass of cathode ray is 1/1837 times the mass of hydrogen atom.Anode ray is a collection of proton which is also known as canal rays. It emerges from anode and strike cathode plate. It is therefore positively charges whose e/m ratio is variable for different gases. The mass of proton is 1837 times the mass of electron. | |
| 4954. |
Why the water is converted in ice on freezing |
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Answer» Water is converted into ice by freezing because when water take the coolness its ets intermoleculer force increases and intermolecular spaces decreases by which it converts into ice(freezing point of water 0 degree celcius) Due to the latent heat of energy Water normally freezes when it is cooled below 0 degrees Celsius, forming ice crystals. ... The process of starting off a crystal is called "nucleation." In the absence of impurities in the water and imperfections in the bottle, the water can get "stuck" in its liquid state as it cools off, even below its freezing point. |
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| 4955. |
What is grit cells |
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Answer» Sclerenchyma cells acting as a hard coating in plant. Eg:Mesocarp of coconut Wrong answer It is kidney like structure it is open during day. And closed during night |
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| 4956. |
Who discovered sperm |
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Answer» Anton von leeuwenhoek Mr. Leeuwenhoek Leeuwenhoek I don\'t know yrr Leeuwenhoek |
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| 4957. |
What could be the nature of in action reaction law. |
| Answer» | |
| 4958. |
Compare the properties of electron, proton,neutron ?? |
| Answer» \tElectronsProtonsNeutron1) Electrons are Negatively charged particles 2) Electrons are present in outer shells with in an atom and revolve around the nucleus in well-defined orbits or discrete orbits 3) The mass of an electron is about 1/ 2000 times the mass of an hydrogen atom. 4)A electron is represented as \'e-\'1) Protons are Positively charged particles. 2) Protons are present in the nucleus of all atoms Number of protons determines the atomic number of an element 3) The mass of a proton is taken as one unit and equals to neutron. 4) A proton is represented as \'p+\'1) Neutrons do not carry any charge and are neutral. 2) Neutrons are present in the nucleus of all atoms, except hydrogen 3) The mass of a neutron is taken as one unit and equals to that of proton. 4) A neutron is represented as \'n\'\t | |
| 4959. |
What is the weight of the spirit |
| Answer» | |
| 4960. |
What is the atomic mass of element |
| Answer» Atomic massThe atomic mass of an element is the mass of one atom of that element in atomic mass units or (u). Atomic mass unit (amu) . 1/12th\xa0of the mass of an atom of carbon-12 is called atomic mass unit.\xa0It is a unit of mass used to express\xa0atomic masses and molecular masses. | |
| 4961. |
If two body are freely falling from some height h1 and h2 what will be the ratio of their time. |
| Answer» 1:1 | |
| 4962. |
The distance between two consecutive crest is |
| Answer» wavelength | |
| 4963. |
What is the area of velocity time graph given |
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Answer» Displacement The area under the velocity-time graph gives the displacement |
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| 4964. |
The maximum number of electrons in chell is |
| Answer» | |
| 4965. |
Define distillation |
| Answer» It is a process of separating 2 miscible liquids having a difference of more than 25 degree Celsius between their boiling points | |
| 4966. |
Why is boiling called a bulk phenomenon and evaporation called a surface phenomenon? |
| Answer» | |
| 4967. |
Define first law of motion Define second law of motion Define third law of motion |
| Answer» The first law of motion is stated as: An object remains in a state of rest or of uniform motion in a straight line unless compelled to change that state by an applied force.The second law of motion states that : the rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of force.Newton\'s third law of motion states that: Whenever a body exerts a force on another body, the second body exerts an equal and opposite force on the first body. | |
| 4968. |
Calculate the molar mass of H2SO4 |
| Answer» Molar mass of H2SO4= Molar mass of H(x2)+Molar mass of Sulphur(x1)+ Molar mass of Oxygen(x4)= [(1×2)+(32×1)+(16×4)]g/mol= [2+32+64]g/mol= 98g/mol. | |
| 4969. |
How to find relative density |
| Answer» Density of a object/density of water | |
| 4970. |
What is the function of bone, cartilage, ligament and tendon |
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Answer» Function of bone: 1 It provides shape and skeletal support to the body2 It forms skeleton.Function of cartilage1 It provides support and flexibility to the body2 It also smoothen bone surfaces and jointsFunction of tendons1 Tendons are the connective tissue that connects muscles to bones.2. It helps in the flexible movement of the body parts.Function of ligaments1. It connects two bones with each other. Bone is provides structural framework and anchors the muscles...Cartilage smoothens the bones at joints |
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| 4971. |
Drive law of conservation of mass |
| Answer» In the science book it was written. | |
| 4972. |
Who discovered cell?and how?? |
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Answer» Robert Hooke discovered cells in 1665 while examining a thin slice of cork through a self-designed microscope. He saw that it resembled the structure if honey-comb consisting of many little compartments. These little compartments /small boxes were called as cells. Cells were discoveered by Robert Hooke in 1665. He observed cells in cork slice with the help of primitive microscope. Now, the cork slice resembled the structure of honeycombs in that there are compartments or boxes. Hooke called this boxes as Cells. While observing a piece of cork under the microscope. Robert hooke |
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| 4973. |
What is the shape of blood cell? |
| Answer» Spherical | |
| 4974. |
What is plasmolysis?why it occurs only in plant cells? |
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| 4975. |
Which postulate of daltons atomic theory can explain the law of definite properties? |
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| 4976. |
Lightest and heaviest components of petroleum product |
| Answer» Karosine is the lightest product of petroleum | |
| 4977. |
Which gases can be used instead of CNG gas? |
| Answer» You can use Liquid Petroleum Gas or LPG instead of CNG | |
| 4978. |
Is it possible to make a metal a electro magnetic surface? If yes,then how? |
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| 4979. |
Buy an army tank weighing more than 2000 ton rest Upon A continuous chain |
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| 4980. |
What is the shape of human cheek cell? |
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| 4981. |
Difference between dispersion medium and dispersion phase |
| Answer» Dispersion medium....Similar to solvent in which dispersion phase is is dissolved.Dispersion phase.....Similar to solute which is dissolved in dispersion medium. | |
| 4982. |
Name two oragnelles that contain their own gentic material |
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Answer» 1.Mitrochondria2.Plastids Mitochondria and plastid |
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| 4983. |
Laws of chemical combination defination |
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| 4984. |
A situation in which a body is displaced in the absence of force acting on it? |
| Answer» App all | |
| 4985. |
Fever is a disease or not |
| Answer» It is not a disease. Fever is condition were the temperature of body increases | |
| 4986. |
What is the force |
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Answer» A push or pull on an object that can change the shape and size of an pbject Force: A push or pull on an object is called force.\tAt least two objects need to interact for force to come into play. Mutual interaction between two objects results in a force between the two objects.\tWhen two forces are applied on an object in the same direction, there is an add-on effect of both forces.\tWhen two forces are applied in opposite directions, the difference between two forces gives the value of the net force.\tForce is expressed in terms of its magnitude and the direction in which it is working. Any change in direction or magnitude of the force, there is a change in effect of the force.\tGenerally, more than one force is acting on an object at any given time. A force is a push or pull of an object |
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| 4987. |
Mathematical prove of kinetic energy |
| Answer» | |
| 4988. |
What is difference between fungal cell and bacterial cell |
| Answer» 1. Fungi are eukaryotes while bacteria are prokaryotes.2. Bacteria are single celled whereas most fungi are multicellular except for yeast.3. The compositions within their cell walls are different.4. Fungi are heterotrophs while Bacteria can be autotrophs or heterotrophs.5. Bacteria have 3 distinct shapes while fungi have various shapes.6. Bacteria reproduce sexually via binary fision whereas fungi are capable of reproducing both sexually or asexually. | |
| 4989. |
What is the fate of notochord in higher vertebrate |
| Answer» Notochord is the chief distinguishing feature of Chordates, which is a dorsal longitudinally running rod. It lies between the dorsal nerve tube and the gut. It is mainly replaced during embryonic development by bony vertebrae of the vertebral column, or backbone in higher chordates. | |
| 4990. |
Make assignment on Rutherford Model and Thomson model of an atom. |
| Answer» | |
| 4991. |
What is infectious disease |
| Answer» The disease caused through flu, shaking hand, sexual contact , etc. caled infectious disease | |
| 4992. |
What is the weight of each element is present in 1.5 moles of Sodium Sulphite (Na2SO3 |
| Answer» | |
| 4993. |
Why ships float? Why submarine sinks in water and come on surface again?? |
| Answer» | |
| 4994. |
Hi want to you ask you that sa2 cover all the chapters |
| Answer» Yes | |
| 4995. |
Differentiate acute and chronic diseases |
| Answer» \tAcute diseaseChronic diseaseAn acute disease lasts for just a short time but can begin rapidly and have intense symptoms.A chronic disease is persistent. It lasts for a long period of time and might recur.Develop in a short time.Develop over time instead of having a sudden onset.Cold, influenza, Cholera, Typhoid, strep throat, cough, etc.Cancer, Heart disease, kidney disease, Tuberculosis, Arthritis, Diabetes, etc.\t | |
| 4996. |
Where stomata present in plant |
| Answer» Between guard cells | |
| 4997. |
How do baby born in hindi |
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Answer» What You wanna say I didn\'t understand your question the baby born in Hindi if the baby birth place is mumbai or some other hindi state or place I can\'t understand ur question |
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| 4998. |
Why an athlet become slowly when he finish the race |
| Answer» In the race the athlet starts slowly then he overtake by speeding his speed. When he runs very fast then in the legs of the athelete lactic acid is produced which causes pain. But the athlete runs in pain also then near the finish line he impowers his full power that the pain again increases. So he stops when finish the race | |
| 4999. |
How to calculate velocity from displacement time graph |
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Answer» Motion is motion. The area under the displacement -time graph gives velocity What is.motion |
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| 5000. |
Derive the formula of Kinetic energy? |
| Answer» 1/2×mass ×Velocity ^2 | |