This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the change of state during the following changes :1. drying of wet clothes2. melting of wax when kept in sunshine 3. melting of ice 4. formation of clouds 5. napthalene balls become smaller when kept in air 6. formation of snow7. evaporation of water |
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Answer» 1 PHYSICAL 2 chemical 3 Physical 4 physical 5 chemical 6 physical 7 physical |
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| 2. |
Characteristics if solids |
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Answer» SOLIDS 1.solids have a fixed SHAPE and a fixed volume. 2. they cannot be COMPRESSED . 3. solids have HIGH density. 4. they do not flow. 5. they do not FORGET container completely. |
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| 3. |
a stone dropped novel hits the water surface after 2 seconds what is the depth of the well and with what speed will the stone hits the water surface is in the uniform acceleration due to gravity is 9.8 metre per second square |
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Answer» Depth=1/2at^2=1/2 ×9.8×2^2=19.6m |
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| 4. |
What advantage cotton clothes have over synthetic clothes? . give me short answer pliz |
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Answer» Cotton clothe absorbs our sweat in summers and HELPS us keep cool. But synthetic clothe does not do this. |
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| 5. |
What type of reaction is represented by the digestion of food in our body |
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| 6. |
Explain contact and non contact forces. Give two examples for each |
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Answer» A non-contact force is a force which ACTS on an OBJECT without coming physically in contact with it. The most familiar example of a non- contact force is gravity, which confers ... All four ... Pushing a car up a hill or kicking a ball or pushing a DESK across a room are some of the everyday examples where contact forces are at work. In the first case the force is continuously applied by the person on the car, while in the SECOND case the force is delivered in a short IMPULSE. |
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| 7. |
Microorganisms act as decomposes? how is this activity useful to us |
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Answer» MICROORGANISM act as decompose and mix with the soil. when they are mixed with the soil the soil become RICH and it's fertility will be INCREASE. So we USE this soil in FARMING. |
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| 8. |
What is displacement reaction |
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Answer» HOLA |
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| 9. |
an object is placed at 25 CM in front of the concave mirror of a focal length 15 CM at what distance from the mirror screen be placed in order to obtain a sharp image |
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Answer» HELLO here is your ANSWER by SUJEET YADUVANSHI ✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌ that's all |
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| 10. |
What happens when magnesium ribbon is burned in air? |
| Answer» MEGNESIUM RIBBON is BLAST (i THINK) | |
| 11. |
A force of 200 N acts on an area of 0.16 metre square . What is the magnitude of pressure in N/m square |
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Answer» As we KNOW PRESSURE = force/area |
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| 12. |
How much energy is transferred when one gram of boiling water at hundred degree Celsius condensers to water at hundred degree Celsius.... |
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Answer» HELLO Friend.... __________________________ __________________________ The answer of u r question is...... Ans: Mass of boiling water=1g Latent HEAT of VAPORISATION of water=540cal/g Boiling water - water 100°c - 100°c As STATUS change would we have to consider latent heat.... ....L=Q/m---->mL=1×540 =540cal... __________________________ ___________________________ Thank you....✴️⭐️⭐️⭐️⭐️ |
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| 13. |
Name two sources of roughage , give very short answer |
| Answer» WATER and CORN are EXCELLENT ROUGHAGE | |
| 14. |
What is scalar quantity ? |
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Answer» A scalar quantity is a one DIMENSIONAL measurement of a quantity, like temperature, or mass. A vector has more than one number associated with it. A simple example is velocity. It has MAGNITUDE, called SPEED, as well as a direction, like North or SOUTHWEST or 10 degrees west of North. |
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| 15. |
What is condition for stable equilibrium? |
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Answer» An equilibrium is said to be stable if small, externally induced displacements from that STATE produce forces that tend to oppose the displacement and return the body or PARTICLE to the equilibrium state. Examples include a weight suspended by a spring or a brick lying on a level SURFACE. An equilibrium is unstable if the least departure produces forces that tend to increase the displacement. An example is a ball BEARING balanced on the EDGE of a razor blade. |
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| 16. |
Explain why woollen garment keeeps us warm in winter? |
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Answer» Because of their INTERCELLULAR SPACE . |
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| 17. |
Why food of puffed or enlarged can should not be consumed |
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Answer» Clostridium botulinum is the reason puffed or SWOLLEN cans should not be consumed. It means that the can was not properly STERILIZED before closure, and anaerobic (no oxygen) BACTERIA are having a food fest. Dispose of the can, and wash your hands well, if it OPENS while you’re handling it to avoid cross contamination. |
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| 18. |
What is displacement ? |
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Answer» HEY mate!! here is u r answer!! _________________________________ DISPLACEMENT :- SHORTEST DISTANCE COVERED BY A BODY IN A DEFINITE DIRECTION CALLED DISPLACEMENT. ▶️ DISPLACEMENT IS VECTOR QUANTITY. ▶️ DISPLACEMENT MAYBE POSITIVE OR NEGATIVE OR ZERO. OK HELP U |
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| 19. |
Will the mass and weight of an object on the earth must be same as their value on mars.why? |
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Answer» No both MASS and weight of an object can't be SIMILAR/same on Mars as respect with on earth. Only mass can be similar as mass don't change with respect to change in POSITION, while weight of a body changes with the respect to position. |
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| 20. |
Write molecular formula of compound of the following elements with hydrogen by referring to the Mendeleev's periodic table C, S, Be, As, F, O, N, CI |
| Answer» CARBON,SULFUR,deryllium,arsonic,FLUORINE, OXYGEN,nitrong,CLORINE | |
| 21. |
Write about Chocolate on the occasion of world chocolate day. |
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Answer» World chocolate day |
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| 22. |
Which was the smartest dinosaur? |
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Answer» Troodon is the SMARTEST |
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| 23. |
Two boys pull each other with a force of 100 Newton. What is the net force? |
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| 24. |
What will be the effect of force while squeezing a piece of lemon between the fingers |
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Answer» CHANGE in SHAPE of lemon. Hope it HELPS U. |
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| 25. |
Who is the president of turkey?? |
| Answer» RECEP Tayyip Erdoğan is the PERSISTENT is TURKEY | |
| 26. |
Why does human beings have a important place in the environment |
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Answer» Because HUMANS have more SENSE and KEEP ENVIRONMENT SAFE |
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| 27. |
Which living organism are included in the Kingdom Monera |
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Answer» All PROKARYOTIC ANIMALS are INCLUDED in KINGDOM MONERA. |
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| 28. |
Name the energy currency in living organisms when and where it is produced |
| Answer» POTENTIAL ENERGY CONVERTED KINETIC energy | |
| 29. |
What is difference between zoo and wild life sanctuary?? |
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Answer» The main difference between zoos and sanctuaries is how they ACQUIRE their animals. A ZOO might buy, sell, breed, or TRADE animals, or EVEN capture animals from the wild. ... A Florida animal SANCTUARY, Busch Wildlife Sanctuary, intentionally keeps some animals out of sight so the animals don't interact with the public. |
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| 30. |
How do microorganisms help in sewage treatment |
| Answer» MICROORGANISMS helps by the PROCESS of bioaugmentation and ALSO known as EFFLUENT | |
| 31. |
Viruses are neither living nor nonliving comment on this |
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Answer» Hi mate ,,,,, |
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| 33. |
What is petroleum refining?tabulate the various constituents obtained on refining of petroleum.give their uses |
| Answer» PETROLEUM refining processes are the chemical ENGINEERING processes and other facilities used in petroleum REFINERIES (also referred to as OIL refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), GASOLINE orpetrol, kerosene, jet fuel, diesel oil and fuel oils. | |
| 34. |
What is petroleum refining?tabulate the various constituents obtained on refining of petroleum. |
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Answer» It means REFINING of petrol from its pure STATE. We GET white petrol, petrol for CARS and bikes, and kerosene etc... |
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| 35. |
What is meaning of name aman |
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Answer» Its MEANING is PROTECTION |
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| 36. |
The mass of the earth is 6 × 10 raised to 24 kg . The distance between the earth and the sun is 1.5 ×10 raised to 11 m . If the gravitational force between the two is 3.5 ×10 raised to 22 n , what is the mass of the sun ? |
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Answer» F =G M*m /r^2 3.5*10^22 = 6.67*10^-11* 6*10^24*m/2.25*10^22 m = 3.5*2.25*10^44/6.67*6*10^11 m = 7.87*10^33/40 m = 2 *10^10 KG |
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| 37. |
What is balancing of chemical reactions |
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Answer» Hey mate!! |
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| 38. |
Define hardness and appearance |
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Answer» HARDNESS:- resistance of a material to DEFORMATION, indentation or PENETRATION buy mens such as drilling ,IMPACT, SCRATCHING measured by hardness test. |
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| 39. |
project collect information about the type of fuels used for cooking in your area. Discuss with your eleders which fuels are less polluting causing fuels in your research |
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Answer» Hey there, Basically on collection the INFORMATION about the fossil fuels used in our area which are used for cooking are as follows:- 1) coal 2) wood By comparing both resources and asking people which one they think is more efficient and productive we have the following conclusions:- Coal is a better source or fuel for heat ENERGY used for cooking as it GENERATES more heat and can be used for a long period of time it releases the harmful gasses AND it cannot be reused again after used once.. HOPE it will be helpful |
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| 40. |
What is anthrax ? Is anthrax is a disease? |
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Answer» Hi Sharmashubham6874................................... |
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| 41. |
What is the first step for growing crops |
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Answer» PREPARATION of SOIL : TILLING or ploughing. Hope it HELPS U. |
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| 42. |
What is meant by co-ordination? Explain in your own words with suitable examples. |
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Answer» The organization of the different elements of a complex body or activity so as to ENABLE them to work together effectively. |
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| 43. |
Limewater turns milky when CO₂ is passed through it. Write scientific reasons. |
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Answer» Lime water is actually Ca(OH)2 . When it reacts with CO2 insoluble CACO3 is formed which turns solution milky. When excess CO2 is added/more CO2 is added to it, CaCO3 reacts with water and CO2 to form Calcium bicarbonate which is soluble. That is why the solution becomes clear again. |
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| 44. |
Use the Whittaker method to classify bacteria, protozoa, fungi, algae, prokaryotic and eukaryotic |
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Answer» Abstract |
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| 46. |
Why we need to sleep ?? |
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Answer» Hey mate |
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| 47. |
Distinguish between - infectious diseases and non infectious diseases. |
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Answer» Hey MATE, here is your answer ==== |
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| 48. |
People must be vegetarian or nonvegetarian |
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Answer» I think vegetarian ..... |
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| 49. |
Distance and displacement |
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Answer» Distance is the SHORTEST path covered by the object and displacement is the shortest distance covered by the object |
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