InterviewSolution
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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.
| 1301. |
Why should paper be saved? Prepare a list of ways by which you can savepaper10. |
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| 1302. |
10.Why should paper be saved? Prepare a list of ways by which you can savepaper. |
| Answer» <p>Recycling paperwrite everything as maximum as possible</p> | |
| 1303. |
2. Ammonia is found in many household products, such ascleaners. It turns red litmus blue. What is its nature? |
| Answer» <p>ammonia has basic nature so it turns red litmus blue</p> <p>it is basic in nature </p> <p>it is basic in nature thats why it turns red litmus to blue</p> <p>the ammonia have its basic nature so that it turns red litmus blue.please like my answer. </p> <p>it is basic in nature. </p> | |
| 1304. |
Ammonia is found in many household products, suchas window cleaners. It turns red litmus blue. What is itsnature? |
| Answer» <p>Answer:</p><p>Ammonia is basic which turns red litmus paper blue.</p><p>Explanation:</p><p>Ammonia is a compound which contain nitrogen and hydrogen and it has a lot of significance listed below.</p><p>Important in nutritional needs for terrestrial organisms.Used for commercial cleaning products.Ammonia is a colorless gas with a characteristics pungent smell. Ammonia can be changed to all other forms of matter,that is solid and liquid.Ammonia is miscible with water and the its solution turns red litmus paper to blue.</p> <p>Ammonia is basic in nature. It produces high amount of hydroxide ions and turns red litmus paper blue.</p><p>like and accept best answer</p> | |
| 1305. |
(D) Differentiate between the Summer and Winter Solstice |
| Answer» <p>I. hate. your</p> | |
| 1306. |
difference between unisexual and bisexual of class 7 |
| Answer» <p>Ans :- Unisexual and bisexualflowers are two types of flowers found in plants. The maindifference between unisexual and bisexualflowers is thatunisexualflowers contain male and female reproductive organs in separate flowers whereas bisexualflowers contain both male and female reproductive organsin thesame flower.</p> | |
| 1307. |
8.You are given an iron strip. How will you make it into a magnet? |
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| 1308. |
.You are given an iron strip. How wili you make it into a magnet?How is a compass used to find directions? |
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| 1309. |
A truck of mass M is at rest on a frictionless road. When a monkey of mass m starts moving on thetruck in forward direction, the truck recoils with a speed v backward on the road, with what velocity isthe monkey moving with respect to truck?C-5. |
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| 1310. |
in the given figure, AOB is a straight line and the ray OC standsfLAOC 64° and <BOC = x®, find the value of x. |
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| 1311. |
10.1.2 Atomic and Ionic Radii |
| Answer» <p>Ans :- In a neutralatom, theatomic and ionic radiusare the same, but many elements exist as anions or cations. If theatomloses its outermost electron (positively charged or cation), theionic radiusis smaller than theatomic radiusbecause theatomloses an electron energy shell.</p> | |
| 1312. |
() The increasing order of reactivity among group 1 elements is Lic Na K(ii) Electron gain enthalpy of Cl is more than that of F.(ii) Arrange following in decreasing order of ionic radii, Mg2, Na i1, and F |
| Answer» <p>1.</p> | |
| 1313. |
Exercise1. Why do organisms take food?2. Distinguish between a parasite and a saprotroph.3. How would you test the presence of starch in leaves?4. Give a brief description of the process of synthesis of food in green plants.5. Show with the help of a sketch that plants are the ultimate source offood.Fill in the blanks: |
| Answer» <p>1- organisms take food for alies</p> <p>1. Animals take food for getting proper nutrition for living</p> | |
| 1314. |
. A block of mass 2 kg placed on a long frictionlesshorizontal table is pulled horizontally by a constant forceF. It is found to move 10 m in the first two seconds.Find the magnitude of F. |
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| 1315. |
Q1:A block of mass 2 kg placed on a longfrictionless horizontal table is pulled horizontallyby a constant force F. It is found to move 10 min the first seconds. Find the magnitude of F. |
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| 1316. |
A block of mass 2 kg placed on a long frictionless horizontal table is pulled horizontally by a constant force F. It is found to move 10 m in the first two seconds. Find the magnitude of F. |
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| 1317. |
1. A block of mass 2 kg placed on a long frictionlesshorizontal table is pulled horizontally by a constant forceF. It is found to move 10 m in the first two seconds.Find the magnitude of F |
| Answer» <p>Thanks </p> | |
| 1318. |
Raviranjan Kumar |
| Answer» <p>This question is not complete, so please ask a meaningful and full question.....</p> | |
| 1319. |
Write difference between Homologous and Analogous organ. |
| Answer» <p>Homologous Organs:1. They differ morphologically.2. They have similar internal structure.3. They develop in related organisms.4. Stages in the development are similar.5. They perform different functions.6. They have similar developmental pattern.7. Homologous organs show adaptive radiation (divergent evolution).Analogous Organs:1. They show superficial resemblance.2. Their internal structure is quite different.3. They develop in unrelated organisms.4. Stages in the development are different.5. They have similar functions.6. They have dissimilar developmental pattern.7. Analogous organs show convergent evolution.</p> | |
| 1320. |
knee cap define |
| Answer» <p>Kneecap is the convex bone in front of the knee joint; the patella.</p> | |
| 1321. |
Why do less people live in the mountainous areas? |
| Answer» <p>The terms of life are usually much harder for humans at high altitudes and are controlled by three important factors: the terrain, the climate (including the thin atmosphere), and the isolation from the rest of mankind.</p> | |
| 1322. |
proteins, caterpillar, moulting, lizards, nymphs, babies, frögs, yolk(i) In mammals, the .......................... develop inside then.................... develop inside their mother's body.(ii) ............. contains fats, vitamins and minerals.(iii) Albumin is rich in .........(iv) Tadpoles are young ones of..(v) The covering around the .......................... is called cocoon. |
| Answer» <p>Ans.(1)babies (2)yolk (3)protein (4)frogs (5)caterpiller</p> <p>Answer. (1) babies(2) yolk(3) protein (4) frogs(5) caterpillar </p> | |
| 1323. |
a symbols, pressure is equal to-(a) A/F,(c) d/F, where d is distance and F is forcewhere A is area and F is force(b) F/A, where A is area and(d) Fid, where d is distance |
| Answer» <p>Option b is correct.</p><p>Pressure = Force/Area</p> | |
| 1324. |
A particle in a certain conservative force field hasa potential energy given by Uexerted on it is.The f2020s)20sy31 |
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| 1325. |
Three particles of masses 1 kg, 2 kg and 3 kg are subjected to forces (3i-2j+2k) N,(-i+2j-k Ni+ j+KN respectively. Find the magnitude of the acceleration of the CM of the systemее |
| Answer» <p>a(cm) = ( m1a1 + m2a2 + m3a3)/(m1 + m2 + m3)= {(3i-2j+2k)+(-2i+4j-2k)+(3i+3j+3k)}/6</p><p>a(cm) = 2/3 i + 5/6 j + 1/2 k</p><p>|a(cm)| = ((16+25+9)/36)^1/2</p><p>= 1.178 m/s2</p> | |
| 1326. |
Define zeroth law? |
| Answer» <p>The Zeroth Law of Thermodynamics states that if two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other.</p> <p>Thank u</p> | |
| 1327. |
5. The density of Mercury is 136Celilate ivalue in M.K.S. system uning, the dimensionsAns : 136x 10 kgmMeL |
| Answer» <p>or kalpesh kya hal h</p> | |
| 1328. |
hatisthe mass of 5m3 of cement of density 3000 kgm? |
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| 1329. |
14. Explain how optical and non-optical aids help visually challenged persons todevelop their skills to a higher level. |
| Answer» <p> these is a basic difference to understand the optical and non optical </p><p>Non optical aids:-these often include (1) tactual aids ( using sense of touch ) . the visually impaired can learn to read and write by using a special touch system called the Braille . this system make use of raised dots on a paper . (2) auditory aids ( using sense of hearing ) include audio cassettes, tape recorders, audio CDs, audio books and electronic devices like computer / calculators / closed circuit television. these , with the help of a software programme , can transfer text files into sound.</p><p>optical aids :-these include lenses and telescopic aids. while suitable lens combinations are used to rectify visual limitations, the telescopic aids can help to view class demonstrations and the blackboard .</p><p>HOPE IT WILL BE HELPFUL TO YOU</p> | |
| 1330. |
What would happen if there was no golgi apparatus |
| Answer» <p>The materials synthesized in the endoplasmic reticulum are stored, sorted, modified, packaged and dispatched to various target cells only through the Golgi apparatus. Absence of Golgi complex leads to some problems in the transport of lipids in cells, formation of lysosomes or peroxisomes, formation of sugars etc. Without a Golgi apparatus the cell will not function.</p> | |
| 1331. |
Equal weights of two gases of molecular weight 4 and 40 are mixed. The pressure of the mixture is 1.1atm. The partial pressure of the light gas in this mixture is(1) 0.55 atm(2) 0.11 atm(3) 1 atm(4) 0.11 atm |
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| 1332. |
circumference of a circle exceeds its diameter by 30 cm. Find the radius of the circle.The |
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| 1333. |
katー-4-7wanturn pnt 41ul |
| Answer» <p>the branch of physics concerned with quantum theory.</p> | |
| 1334. |
What does VOC Stand for? |
| Answer» <p>VOC stands for Volatile Organic Compound</p><p>It is one of a number of chemicals, including benzene and acetone, that evaporate or vaporize readily and are harmful to human health and the environment.</p> | |
| 1335. |
A closed cylindrical tank of radius 7 m and height 3 m ismade from a sheet of metal. How much sheet of metal isrequired? |
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| 1336. |
A straight rod of length 1 extends from x =α to x-1+α as shown inthefigure.on a point mass m placed at x0 is given byy↑If the mass per unit length is (a + bx2). The gravitational force it exertsB) Gm(a +bx')(D) Gm a+blatt) |
| Answer» <p>option (c) is correct. take the limits from alpha to alpha + l</p> | |
| 1337. |
1. Fill in the blanks:(a) 50 x 91(c) 56 x 600 =(e) 135 x 40 =ge |
| Answer» <p>(a) 50 x 91 =4,550 answer(c) 56 x 600 =33,600 answer(e) 135 x 40 =5,400</p> | |
| 1338. |
Changes that lead to the formation of new substances are called |
| Answer» <p>chemical changes lead to formation of new substances.</p> | |
| 1339. |
what is an microorganism |
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| 1340. |
harmful microorganism's |
| Answer» <p>Bacteria, amoeba, virus.etc</p> <p>Bacteria and amoeba - harmful micro organisms</p> <p>amoeba , bacteria ,fungi ,protozoa</p> | |
| 1341. |
LEVEL 1Balance the following equations using the principle of atom conservation:I. Fes2 + 02Q1.Fe203 + SO2II. C2H6 |
| Answer» <p>how</p> | |
| 1342. |
what are pesticides? give example for it |
| Answer» <p>Pesticides are chemical substances that are meant to kill pests. In general, a pesticide is a chemical or a biological agent such as a virus, bacterium, antimicrobial, or disinfectant that deters, incapacitates, kills, pests.</p><p>This use of pesticides is so common that the term pesticide is often treated as synonymous with plant protection product. It is commonly used to eliminate or control a variety of agricultural pests that can damage crops and livestock and reduce farm productivity. The most commonly applied pesticides are insecticides to kill insects, herbicides to kill weeds, rodenticides to kill rodents, and fungicides to control fungi, mold, and mildew.Examples of pesticidesare fungicides, herbicides, andinsecticides.Examplesof specific synthetic chemicalpesticidesare glyphosate, Acephate, Deet, Propoxur, Metaldehyde, Boric Acid, Diazinon, Dursban, DDT, Malathion, etc.</p> <p>Examples of pesticides arefungicides,herbicides, and insecticides. Examples of specific synthetic chemical pesticides areglyphosate,Acephate, Deet, Propoxur,Metaldehyde,Boric Acid, Diazinon, Dursban,DDT,Malathion, etc.</p> <p>pesticides are chemicals which are used agricultural practices. They are used for killing pests or insectsex: DDT, Boric acid</p> | |
| 1343. |
Why you should not try to wash off a turmeric stain on your clothes withsoap? |
| Answer» <p>Because when we wash the stain on soap the stain will turn red in colouras turmeric is natural indicator</p> | |
| 1344. |
6 Do you think it is better to use compost |
| Answer» <p>Yes, it isbetter to use compost instead of chemical fertilizersbecause byusing compost, we are reusing our garbage As,Compostis nature's way of recycling organic material back into the environment. Also compostis cheap and less harmful to than chemical fertilizers.Compostfeeds the microfauna in the soil.</p> | |
| 1345. |
Will greenhouse effect affect usn any way? |
| Answer» <p>If the atmosphere causes too much greenhouse effect, Earth just gets warmer and warmer. The point is, if the greenhouse effect is too strong, Earth gets warmer and warmer. This is what is happening now. Too much carbon dioxide and other greenhouse gases in the air are making the greenhouse effect stronger.</p> | |
| 1346. |
100. Dissolved oxygen supports life )b. Bio chemicald. Synthetica. ChemicaleAquatic |
| Answer» <p>c) Aquatic </p><p>As animals in waters needs oxygen</p> | |
| 1347. |
0 What do you understand by the term migration? |
| Answer» <p>Migrationrefers to the movement of an organism or a group of organisms from its natural habitat to another place at a particular time every year.</p><p> Organismsmigratefrom one place to another to avoid inhabitable climatic conditions or for breeding.</p> | |
| 1348. |
What is migration? |
| Answer» <p>Migrationis a way to move from one place to another in order to live and work.</p> | |
| 1349. |
IV. Cd and base make stronger bases.2. Write T for true and F for false.a) Vinegar is dilute lactic acid.b) The chemical name of vitamin D is ascorbic acid.c) When an acid reacts with a base, neutralization occurs.d) Acids feel slippery to touche) Acids produce hydrogen ions when dissolved in water. |
| Answer» <p>a) true b)false</p><p>.......</p> <p>a)trueb)falsec)trurd)truee)true</p> <p>a)trueb)falsec)falsed)true</p> <p>true false true true ,false </p> <p>(a) Thursday (b) false(c) true(d) true.</p> | |
| 1350. |
explain: electric charges and field |
| Answer» <p>Electric charge is a basic property of electrons, protons and other subatomic particles. Electrons are negatively charged while protons are positively charged. Things with the same charge repel each other. Things that have different charges attract each other.</p><p>Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge.</p> | |