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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 4051. |
H _ { 3 } C - C = CH - CH _ { 2 } - CH _ { 2 } - CH _ { 3 } |
| Answer» <p>3 - methylhept- 3- ene</p> <p>wrong ans </p> <p>edited it. kindly recheck</p> <p>now right ans</p> | |
| 4052. |
A car is moving from rest. After 10 seconds its wheelsrotate 360 times in 1 minute. If the radius of the wheelis 50 cm, then find-(i) angular acceleration;(i) angular velocity after 30 seconds. |
| Answer» <p>tq</p> | |
| 4053. |
सर्वसमिका sec? 0 = 1 + tan? &1डा 9 - 005 0+1 ्.s - ————— = ——- < e sin+cos0~1 secO—tan |
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| 4054. |
2. Zubeda made an electric circuit using a cell holder shown in Fig. 14.4a switch and a bulb. When she put the switch in the 'ON' position, thebulb did not glow. Help Zubeda in Identifying the possible defects in thecircuit. |
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| 4055. |
12S UL Lo pPOULLSC..Zubeda made an electric circuit using a cell holdexa switch and a bulb. When she put the switeh in tbulb did not glow. Help Zubeda in identifying the po:circuit. |
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| 4056. |
ue or Duuyant force acting21. The density of gold is 19 g/cm3. Find the volume of 95 g of gold22. What is the mass of 5 m3 of cement of dencitu 100n |
| Answer» <p>Density = 19g/cm3</p><p>Mass = 95 g</p><p>Volume = ?</p><p>Volume = Mass/Density</p><p>Volume = 95/19</p><p>Volume = 5 cm3</p> | |
| 4057. |
How digestive system works |
| Answer» <p>The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.</p> <p>why should I and we tell</p> | |
| 4058. |
1. Fuse wires or miniaturere circuit breakers are not used in a circuit containing electric cellWhy? |
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| 4059. |
ORTHOFindings ofInvestigations:plaints of the Patient :), (। (C - -E HIREnation Findings :ional Diagnosis:1990aceDerHra langr mle cene– }}Y' _-T.Aliner ply8. ଦିଶ କୁମାର ସାହୁ।ଅସ୍ଥିଶଲ୍ୟ ବିଶେଷଜ୍ଞ ।।ଜିଲ୍ଲା ମୁଖ୍ୟ ଚିକିତ୍ସାଳୟ, ପୁରୀSignature & Full Name of the Doctorରଖାନାରେ ମିଳୁଥିବା ସମସ୍ତ ଔଷଧ ଗୁଣା ମାନ ପରୀକ୍ଷଣ ପରେ ବଣ୍ଟନ କରାଯାଏ ।ଯୋଜନା ଅନ୍ତର୍ଭୁକ୍ତ ସମସ୍ତ ପରୀକ୍ଷା ମାଗଣାରେ କରାଯାଏ । ଏହାଳ ବ୍ୟବହାର କରନ୍ତୁ । |
| Answer» <p>what is this...??? please post questions only</p> <p>Ye to doctor 😷 का बनाया हुआ पेपर ह </p> <p>Medicines लिखी हुई h </p> | |
| 4060. |
in your class.10.Describe the threat to the beauty of the Taj Mahalts in the water affect |
| Answer» <p>Thecorrosionof the Taj Mahal due to acid rain is called ‘marble cancer’.Industrilization in the surroundings of Taj Mahalhas been the major threat. Because of these indutries many pollutant gases are releasing into the atmosphere.Gases, likemethane, nitrous oxide and water vapour, also contribute to thegreenhouse effect, and, along withcarbon dioxide, are collectively called thegreenhouse gases.</p> | |
| 4061. |
defination of force |
| Answer» <p>A force is a push or pull upon an object resulting from the object's interaction with another object.</p> | |
| 4062. |
PHOTOGYNTHESIS -DEFINATION |
| Answer» <p>Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.</p> | |
| 4063. |
te answers as diPecteu.What causes the existance of very large number of carbon compound?rlucified into three types. Write these names giving |
| Answer» <p>Carbon has three hybridization levels4 unshared electrons so has more bounding sitesand other elements and then it can be bond with itself. </p> | |
| 4064. |
Why doof aquatic organisms?es the increased level of nutrients in the water affect the survival |
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| 4065. |
Give examples to show how the temperatureand the amount of water available affectanimals and plants in a habitat. |
| Answer» <p>It can say that animals and plants both are dependent to each other. If temperature is high then survival of plants and animals is to difficult. e.g some animals are herbivorous while some are carnivorous if aviability of plants are less then </p> | |
| 4066. |
what is strain??? |
| Answer» <p>Strain is a force (a part of one's body or oneself) to make an unusually great effort.</p> | |
| 4067. |
what is the strain??? |
| Answer» <p>Strainis a measure of material deformation in response to an applied force (or stress).</p> | |
| 4068. |
1. If action is always equal to thereaction, explain how a horse canpull a cart. |
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| 4069. |
Vapour pressure of chloroform (CHCL) and dichloromethane (CH,CL)at 298 K are 200 mm Hg and 415 mm Hg respectively. Calculatethe vapour pressure of the solution prepared by mixing 25.5 g ofCHCI, and 40 g of CH2CI2 at 298 K and, (ii) mole fractions of eachcomponent in vapour phase |
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| 4070. |
Q7. The time taken for a certain volume of a gas X to diffuse through a small hole is 2 minutes. It takes 5.65 minutesfor oxygen to diffuse under the similar conditions. The molecular weight of X isA) 8B) 4C) 16D) 32 |
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| 4071. |
-Define roaximum boiling azeotrope giving example. |
| Answer» <p>An azeotrope is when the mole fraction of the vapor and liquid are the same. A maximum boiling azeotrope is defined as the azeotrope temperature which is higher than the saturation temperature of both substances at constant temperature.</p> | |
| 4072. |
8.11Whenever a reaction between an oxidishig asate is formed if the reducing agent is inagenta compound of lower oxidaout,excess and a compound of higher oxidation state is formed if the oxidisingis in excess. Justify this statement giving three illustrationstion st |
| Answer» | |
| 4073. |
(b) During heavy exercise, we get cramps in thelegs due toaccumulation of(i) carbon dioxide (i) lactic acid(ii) alcoholiv) water |
| Answer» <p>Option (ii) Lactic acid is correct.</p><p>Explanation:</p><p>During the heavy exercise, we breathe anaerobically. The anaerobic respiration results in the formation of lactic acid in the strained muscles.</p> <p>(lactic acid)is answer</p> | |
| 4074. |
Why do we sometimes suffer from muscle cramps while exercising? |
| Answer» <p>we suffer from muscular cramps because during heavy exercise inside the muscle lactic acid starts producing this is the reason why we suffer from muscle cramps while exercising</p> | |
| 4075. |
what is plastic? All plastic have one common property what is it? |
| Answer» <p>Anything which can be mouldable and foldable and can be reformed is called plastics. they have one common property that is they are made up of polymer. </p> <p>that is elasticity ,the are thermo setting polymers</p> <p>Plastic is a material that can bemouldedor formed into different shapes. All these materials have one co common property – they are made of polymers.</p> | |
| 4076. |
3) How plastic even a non-degradable waste is useful? |
| Answer» <p>As plastic can be recycled , it can be reused so even if it non degradable it can be used to in other process.</p> | |
| 4077. |
2) Why the classification of garbage is essential? |
| Answer» <p>Garbageis mainly in everyone house.but we have to throwgarbagein dustin. Theclassification of garbagemeans thatclassifyingthegarbageinto recyclable and non-recyclable. it isessentialso that recyclable can be used again and its not wasted so it does not pollute the environment. </p> <p>classificationofwastematerials isimportantgiven the strict controls required for storage, treatment and disposal of hazardouswaste, in addition to the higher costs involved compared with otherwastetypes. It is alsoimportantto ensure thatwastesare disposed of in the correct landfill sites.</p> <p>classificationofwastematerials isimportantgiven the strict controls required for storage, treatment and disposal of hazardouswaste, in addition to the higher costs involved compared with otherwastetypes. It is alsoimportantto ensure thatwastesare disposed of in the correct landfill sites.</p> | |
| 4078. |
Do you throw garbage at the proper dumping place? |
| Answer» <p>Yes, garbage is thrown at a proper dumping place. </p> <p>It could be dustbins seperated into wet and dry bins or in black bags.</p> | |
| 4079. |
observations: 1)As per garbage configuration, complete the following table.Bio - degradable garbageNon - degradable garbage |
| Answer» <p>1. Biodegradable are the one which gets decomposed within very short period. While non biodegradable take longer time.2. Biodegradable wastes are non pollutants while non biodegradable are pollutants.3. Biodegradable ones are degraded by living organisms while non biodegradable have no part with living organisms.4. Biodegradable wastes can be disposed easily but non ones cannot.5. Biodegradable are organic ones whereas the non ones are artificial mostly polymers6. Biodegradable can act as soil manures while non ones cannot.</p><p>biodegradable example - fruits, vegetables, plants, animals, etc..</p><p>non biodegradable example - plastics, glasses, etc</p> | |
| 4080. |
Ways to MultiplDivide15in the blanks9 * 5 =x3(a)= 105(b)15=5(c) 65(d) 28 x 50 =(e) Quotient= Dividend |
| Answer» <p>know answer is 186644874</p> <p>(a)=15, (b)=7 ,(c)=13 ,(d)=1400 this is Right answer all your question</p> <p>a) 135b) 7c) 13d) 1400please like my answer and accept best</p> <p>(a) =15x3 (b) =15x7 (c) =13diveded by5 (d) =1400 (e) =Quarter </p> <p>9*5=15*315*7=10565/13=528*50=1400</p> <p>THE ANSWER ARE 145, 7, 13, 1440, REMAINDER</p> <p>a-15 b-7c-13d-1400Quotient × diviror =dividend</p> <p>a) 9 × 5 = 15 × 3b) 15 × 7 = 105c) 65 ÷ 13 = 5d ) 28 × 50 = 1400e) quotient × remainder = dividend</p> | |
| 4081. |
uestionr, A submarine emits a sonar pulsewhich returns from anunderwater cliff in 1.02 s, If thespeed of sound in salt water is1531 m/s, how far away is thecliff? |
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| 4082. |
ve, vectoAi-3+2k+2k and vector B 3i-33+oi, then which ame of the folsatoments is true?A) A w perpendioular to BC) Magpitude of A is half of that of B)Als parallel to BD) Magnitude of B is equal to that of A |
| Answer» <p>A = i-i+2kB = 3i-3j+6k = 3(i-j+2k) = 3A</p><p>so B = 3A vector</p><p>any vector which can be written as a form of nA, is said to be parallel to A vector.</p><p>so option B.</p> | |
| 4083. |
Figure b-2812. A man has fallen into a ditch of width d and two of hisfriends are slowly pulling him out using a light rope andtwo fixed páilleys as shown in figure (5-E4). Show that |
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| 4084. |
1. The author could hear Bijju(b) crying in the forestsdi singing songs loudly(a) chopping the sticksho billside |
| Answer» <p>Because of mist nothing is visible beyond a certain distance. Author can hear Bijju calling his sister but is unable to see him because of mist.</p> | |
| 4085. |
5. A plane wavefront (a 6 x 10^-7 m) falls on a slit0-4 mm wide. A convex lens of focal length 0.8placed behind the slit focusses the light on ascreen. What is the linear diameter of (i), firstminimum (ii) second maximum ? |
| Answer» | |
| 4086. |
I. What is meant by power of acommodation of the eye ?fha mn lanto adiust its focal length to see nearby |
| Answer» <p>Power of accommodation is the ability of the eye lens to focus near and far objects clearly on the retina by adjusting its focal length. Power of accommodation of the eye is limited. It implies the focal length of the eye lens cannot be reduced beyond certain minimum limit.</p> | |
| 4087. |
Example 101. A heating element is marked 210 V,630 WWhat is the current drawn by the element when connected toa 210 V d.с. mains ? What is the resistance of the element ? |
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| 4088. |
a) Study the magnets 'X and 'Y given belovwE-B]一RepulsionIf B is the north pole of the management X, where is the north pole of magnet Y.? |
| Answer» <p>C is the north pole of y.. because like charges repel each other</p> | |
| 4089. |
7. A bar magnet has no markings to indicate its poles. How would you ind outnear which end is its north pole located? |
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| 4090. |
7.A bar magnet has no markings to indicate its poles. How would you find outnear which end is its north pole located? |
| Answer» <p>Take the bar magnet and suspend it freely with the help of a thread, the end that points towards north pole will be regarded as north end of the magnet.</p> | |
| 4091. |
A bar magnet has no markings to indicate its poles. How would you find outnear which end is its north pole located?7. |
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| 4092. |
Example 9.3 An object is placed at 0 10 cm. h) 5 em in front of aconcave mirror of radius of curvature 15 cm. Find the position, natureand magnification of the image in each case |
| Answer» <p>1) Object distance = 10 cmObject distance =u = -10 cmRadius of curvature = R = -15 cm</p><p>Focal length = ff = 2R</p><p>so,f = R/2 = -15/2 cm</p><p>We know that :-1/v + 1/u = 1/f</p><p>v = image distance</p><p>1/v = 1/f - 1/u = 1 / (-15/2) - (-1/10) = -2/15 + 1/10 = -4/30 + 3/30 = -1/30</p><p>1/v = -1/30v = -30 cmImage distance = v = -30 cm</p><p>The position of image is 30 cm in front of mirror.</p><p>we know that ,magnification , m = -v/u = -(-30)/-10 = -3</p><p>Nature :-This negative sign indicates that the image is real ,and inverted.</p><p>ii) Object distance = 5 cm</p><p>Object distance = u = -5cmFocal length = -15/2 cm</p><p>1/v = 1/f - 1/u = -2/15 - (-1/5) = -2/15 + 1/5 = 1/15</p><p>v = 15 cmImage distance = v = 15 cm</p><p>we know ,m = -v/u = -15/-5 = 3</p><p>Nature of image :- The positive sign of magnification indicates that the image is virtual , erect and magnified</p> <p>right answer </p> | |
| 4093. |
then obtain the dimension of imass, lengiu any ne Tspo20. Assuming that the timeperiod of oscillations (T)T) of bubble produced under water due to expibubbleunder water may depend upon: radiation pressure (P), total energy of explosion (E) and denliquid ( ρ ); deduce the expression for T. |
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| 4094. |
Trachea is located behind oesophagus. |
| Answer» <p>Thetrachea, commonly known as thewindpipe, is a tube about 4 inches long and less than an inch in diameter in most people. Thetracheabegins just under the larynx (voice box) and runs down behind the breastbone (sternum). Thetracheathen divides into two smaller tubes called bronchi: one bronchus for each lung.</p> | |
| 4095. |
write a short note on trachea |
| Answer» <p>TRACHEA :- Larynx continues in the form of trachea. check your is it tube like structure length is 10 to 12 centimetre. it contains 16 to 20 cartilagenous rings which which are incomplete on dosa side which prevent from trocheal collapse.( this are the maximum point you can write about trachea it is of medical that i had written) </p> | |
| 4096. |
1. Mark T if the statement is true and 'F if it is false:(a)The freshwater stored in the ground is much more than thatpresent in the rivers and lakes of the world. T/F) |
| Answer» <p>True is the answer. </p> | |
| 4097. |
Sarwar walks 2/3 km from a place P, towards east and then from there 1 5/7 km towards west. Where will he be now from P? |
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| 4098. |
1. Name the three common types of bacteria. |
| Answer» <p> The Coccus. The coccus bacteria are spherical or oval in shape, like a berry. ... The Bacillus. The bacillus bacteria are rod-like in shape. ... The Spirochete. The spirochete bacteria are spiral in shape.</p> <p>the three common types of bacteria are-coccus ,bacillus and spirochete</p> <p>occus, bacillus, spirochete</p> <p>Coocus, bacillus and spirochete</p> <p>Lactobacillus,spirochete, coccus,</p> <p>types of bacteria are coccus and the bacillus</p> <p>coccusbacillus andspirochete</p> <p>coccus,bacillus,spirillum and vibrio are common bacteria</p> | |
| 4099. |
A bus travelling the frist one third distance at speed of 10 km/h the next one fourth 20 km/ h and remaining at 40 km/ h what is the average speed of the path |
| Answer» <p>please let me know if</p> <p>If total distance is S then </p><p>Average speed = Total distance / Time= S / (t1 + t2)= S / [(S/(3 * 10)) + (S/(4 * 20)) + (5S/(12 * 40))] ...….....[∵ Time = Distance / Speed]= 1 / (1/30 + 1/80 + 5/480)= 17.7 kmph</p><p>In two significant figures average speed will be 18 kmph</p> <p>18kmph is the answer of the</p> <p>18 is the correct answer of the given question </p> | |
| 4100. |
Define indicators. Explain theirclassification with examples |
| Answer» <p>The substances which are used to test whether a substance is acidic or basic are called Indicators.</p><p>There are two types of indicators:</p><p>(i) Natural indicators: litmus paper or solution</p><p>(ii) Man-made indicators: Phenolphthalein</p> | |