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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. |
Give two examples of conversion of matter from one state to other |
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Answer» You can take matter from one STATE to ANOTHER by adding or REMOVING energy. SUBSTANCES change state when its thermal energy increases or decreases sufficiently. Particles of a liquid have more thermal energy than particles of the same substance in a solid FORM. |
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| 2. |
2. Without doing any calculation, find the numbers which are surely not parte 0 153257) 4033. Find the square roots of 100 and 109 by the method of repeated subtrac4. Find the square roots of the following numbers by the Prime Factorisation729() 1764(v) 7744 (vi) 9604 (vii) 5929Cix) 529(%) 31005. For each of the following numbers, find the smallest whole number by which isbe multiplied so as to get a perfect square number. Also find the square root ofSquare number so obtained.0 252) 180Gui) 1008 | 22(vi) 7686. For each of the following numbers, find the smallest whole number by which it shebe divided so as to get a perfect square. Also find the square root of the sounumber so obtained252m) 2925C) 396(V) 26457. The students of Class VIII of a school |
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Answer» fkhiudmgkyclhluxlufmbxhkludliku |
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| 3. |
How can we test presence of fat in lood item |
| Answer» EXPLANATION:TAKE small quantity of the food items to be TESTED.Put 2-3 drops of iodine solution on it.Observe the colour of the food ITEM.Blue-black colour indicates the presence of starch in the tested food item. | |
| 5. |
Human being Eukaryotic cell approximately consists of |
| Answer» TIC cells are plants, ANIMALS, protists, fungi. Their genetic MATERIAL is organized in CHROMOSOMES. Golgi APPARATUS, Mitochondria, Ribosomes, Nucleus are parts of Eukaryotic Cells. | |
| 6. |
Find the effective resistance between A and B 4 ohm ,5,5,5,5,5 ohm |
| Answer» DEAR mate firstly you have to tell that how the resistances are CONNECTED i.e. in SERIS or in parellel then you are able to do the QUESTION....✔✔✔ | |
| 7. |
Importance of ComputerWhat is the importance of computer? |
| Answer» COMPUTER is very important for US. It is a means of COMMUNICATION and in TODAY's world it is very important for us. | |
| 8. |
Write the balance equation for photosynthesis |
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Answer» t6co2+6h2o-------------> c6h12o6+6o2 chlorophyllmark as brainliest।......... |
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| 9. |
Why does a coin sink in water |
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Answer» A COIN SINKS in WATER because it's DENSITY is more than that of water. |
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| 10. |
What is magnetic separation give two examples |
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Answer» it is the TYPE of separation in which magnet is used to separate magnetic substance LIKE iron from SUGAR |
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| 11. |
Give one examples of mixture in which desirable particles that can be separated by using sieve |
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Answer» the examples of these MIXTURES are oneis a passion seed mixturewith water which can be separated a a SIEVE because of the particles of the seeds which are separated from the JUICE by sievingthat is ONE exampleMark Mark brainilest |
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| 12. |
Why bread become spongy ? |
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Answer» a presence of a FUNGI that is ADDED to the bread to MAKE it FLOPPY and spongyplease marks it the brainliest answer |
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| 13. |
How can a neutralization reaction be used to prepare common salt |
| Answer» NEUTRALIZATION ACTION can be USED to PREPARE SALT by cristalizing it | |
| 14. |
What is vinegar? how is it manufactured? |
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Answer» Vinegar is MADE through the fermentation of ETHANOL alcohol. Any ingredient containing ethanol may be used to make vinegar, INCLUDING distilled grain alcohol, wine, champagne, beer, cider and more. Bacteria are used to ferment (or BREAK down) the ethanol into byproducts including acetic acid. |
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| 15. |
How is the father of gentics ? write three laws ofheredity. |
| Answer» MENDAL is the FATHER of GENETICS | |
| 16. |
. What is the angle between i+i+k and i? |
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Answer» your QUESTION is INCOMPLETE DEAR MATE.....✔✔✔ |
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| 17. |
How plants and animals are related to each other for food? Explain. |
| Answer» PLANTS and ANIMALS benefit each other as members of food chains and ecosystems. For instance, flowering plants rely on bees and hummingbirds to pollinate them, while animals eat plants and SOMETIMES make HOMES in them. When animals die and decompose, they enrich the soil with nitrates that stimulate plant GROWTH | |
| 18. |
A cement paste prepared with 300 gm of cement has a water cement ratio (W/C) pf 0.4, what is the capillary porosity at the end of one year assuming that maximum hydration has taken place. |
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Answer» end of the year, the value of capillary POROSITY will be 0.36 after maximum hydration Explanation:A correct ratio of cement and water is necessary to make a smooth HOMOGENEOUS paste. The loss of water due to evaporation ned s to be FIXED during the setting TIME. Therefore the correct capillary porosity is the ACTUAL water and the cement ratio is the mixture. At the end of the year, the value of capillary porosity will be 0.36 after maximum hydration. |
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| 19. |
50.(d) None of theseIf a : b = 3 : 4 this (6a + b) (4a + 5b) is-(a) 1:2(b) 3:5(c) 7: 8(d) 11:16 |
| Answer» TION:what is this.............. | |
| 20. |
The condition for vectorA + vectorB to be perpendicular to vector A- vectorB is that |
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Answer» ...................... .. |
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| 21. |
why we should not drink water from plastic bottles and why we should not fill water again and again in the plastic bottles |
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Answer» We should not DRINK water from PLASTIC bottles because plastic bottles release micro plastic. Which is not good for our health.We should not fill water again and again in plastic bottles because by FILLING it again, It micro plastic releases in large quantities. |
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| 22. |
What is diffusion ???????? thanks |
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Answer» tion:Diffusion is the movement of a fluid from an area of higher concentration to an area of LOWER concentration. Diffusion is a RESULT of the kinetic properties of particles of matter. ... The term "diffusion" comes from the Latin WORD diffundere, which means "to SPREAD out." |
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| 23. |
State two methods by which salt can be prepared. a give one example of each |
| Answer» TION:DISPLACMENT METHOD;Acid+Base=Salt+Water.Direct COMBINATION!Na+Cl-=Nacl | |
| 25. |
What do understand by the term pupil reflex ?explain with the diagram |
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Answer» Explanation:The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity (LUMINANCE) of light that falls on the retinal ganglion cells of the RETINA in the BACK of the eye, thereby assisting in ADAPTATION of vision to various levels of lightness . I am sorry I cannot describe with the diagram |
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| 26. |
give two main uses each of first calcium hydroxide second amino ammonium Hydroxide and third sodium hydroxide |
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Answer» ..................................... |
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| 27. |
Bhartatil Samajik samasya essay in marathi |
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Answer» itzhfzhzeskgkydudkcudewj XK |
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| 28. |
Write 3 ways each of 1) reducing friction 2)increasing friction |
| Answer» LESS FORCE , less frictionmore force, more FRICTION | |
| 30. |
we are given a concave lens of focal length 15cm draw ray diagram to show the nature size and position of the image formed when the object is kept at 15 CM |
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Answer» ure of the IMAGE:the image will FORM at INFINITY as both the RAYS are PARALLEL to each other |
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| 31. |
Scientific name of bacteria |
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Answer» a is the plural of bacterium. There are 3 basic shapes: coccus (spherical), BACILLUS (rod SHAPED) and SPIRAL (twisted). Bacteria is the SCIENTIFIC term but there are many species of bacteria which have their own scientific NAMES. |
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| 32. |
Answer question 5 ....... |
| Answer» RUSTING, CHEMICAL changebreaking of window, irreversible change MIXTURE, irreversible mixture, irreversible SUBLIMATION, reversible hope it is right? | |
| 33. |
Is e = mc^2 applicable to humans? |
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Answer» no it is not APPLICABLE for humansExplanation:it's for THINGS having very LESS MASS |
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| 34. |
Name two metals which can be used to reduce the metal oxide to metal |
| Answer» ALS which can be USED to REDUCE the METAL OXIDE to metal are 1.iron 2.copper | |
| 35. |
3. Give the drainage pattern of the following:(1) 8895(ii) 8599(iii) 8498 |
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Answer» 8895 Explanation:trellis patternCan U SEND me the map extract |
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| 36. |
T al pollution in the6. Which one of the following forms of energy leads to least anprocess of its hamessing and utilisation?(a) Nudear energy(0) Thermal energy(c) Solar energy(d) Geothemal energyOcean shemal energy is due to(a) energy stored by waves in the oceantemperature difference at aferent leveshe canse pressure difference at dinerentes the ocean* ) desarsang out a the ocean& The m or problem in hamessing nudear energy is how to(a) sot nude?. ) sustain the ecoon?*(e) dsoos off spent fuel safely?• (d) convert pudear energy into electrcal energy?9. Which part of the so cooker is responsible for greenhouse efec?(a) Coating with black colour inside the box• (b) Mirror(c) Glass sheet• (d) Outer cover of the solar boker10. The main constituent of biogas is• (ə) methane |
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Answer» solar energy, energy STORED by WAVES in the temperature difference at Apparent , outer COVER of the solar boker, methane. PLZZZ mark me brainliest plzzzzzzzzz...... bcz I REALLY need yrrrr plzzz |
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| 37. |
G o ne of the townpolition in the() Themal energy(a) Geothemal energyaerox stored by a(ades ansing out in the ocean& The major problem i hamessng nudear energy show tola) sot nude?() sustain the reacton?• (c) dispos off spent fuel safely?(4) convert udear energy to electrical energy?9. Which part of the so cookers responsible for greenhouse eest(a) Coating with blac colour sde the box() Mirror(c) Glass sheet(d) Outer cover of the solar Loker10. The main constituent of biogass() methane |
| Answer» TAKE a PHOTO of the PAPER and post it. can't read your QUESTION properly | |
| 38. |
Why are rear wheels of buses and trucks usually double |
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Answer» for balance....when it's not have then FALLEN this bus....and it's help WEIGHT also...it's your ans PLZZZ mark me BRAINLIEST and follow me on brainly ✌️✌️✌️ |
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| 39. |
Will heat be transferred if the temperature of 2 object is same follow me and I will mark as brainliest it's urgent pls fsst |
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Answer» no HEAT won't transform EXPLANATION:As ALREADY in equilibrium |
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| 40. |
Multiple Choice Questions 1. Which of the following is a non-renewable source of energy?• (a) Wood• (b) Sur(c) Fossil fuels(d) Wid2. Acid rain happens because. (a) seads to heating of upper layer of atmosphere(b) buring of fossil fuels release oxides of carbon, nitrogen and sulphur in theatmospere. (c) eledical charges are produced due to inction amongst douds(d) carthatmosphere contains acids3. Fuel used internal power plants is• (a) watt(b) urarium. (c) Borrass• (d) fossil fuels4. In a hydro power plant• (a) Pofential energy possessed by stored waters converted into electricity• (b) Kinetic energy possessed w stored water is converted into potential energy(c) Electricity is extracted from water• (d) Water is converted into steam to produce electricity5. Which is the ultimate source of energy?(a) Water• (b) Sun |
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Answer» 1)NON renewable Source;Fossil Fuels2)Acid RAIN happen because;b)BURNING of fossil fuel release oxide of sulphur.....3)Fuel USED internal power plants are;b)Uranium4)In hydro power plant;Kinetic energy possessed by water is converted into potential energy5)Ultimate source of energy;Sun |
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| 41. |
Define a life cycle. |
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Answer» tion:the period from our birth to the DEATH is CALLED as LIFE CYCLE... |
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| 42. |
What is called ecosystem |
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Answer» tion:An ECOSYSTEM is a COMMUNITY of living ORGANISMS in conjunction with the NONLIVING components of their environment (things like air, water and mineral soil), interacting as a system. These biotic and abiotic components are regarded as LINKED together through nutrient cycles and energy flows...Hope it will help uThanks❤❤❤ |
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| 44. |
What is the temperature unit |
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Answer» t of TEMPERATURE is KELVIN |
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| 46. |
Which planet is nearest tothe sun |
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Answer» E!!PLANET NEAREST to the SUN is Mercury.Hope it HELPS#Follow MAH...!!! |
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| 47. |
Define the term ethnic compostion ? |
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Answer» it is DEFINED as the types of COMMUNITIES living in an region that is what the languages they are SPEAKING,CULTURE and traditions and so on. |
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| 48. |
What is neutralisation reaction? Give Five example |
| Answer» HII mate GM ❤Neutralisation reaction : The process due to which [H+] ions of an acid REACT completely or combine with [OH-] of a BASE to give salt and water. For example: A reaction between sodium hydroxide and Hydrochloric acid. | |
| 49. |
Class 6th science workbook all answer for chapter 1stwhat is photo photosynthesis |
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Answer» s the Greek word for light and synthesis is the Greek word for putting TOGETHER. Plants NEED SUNLIGHT, carbon dioxide from AIR and WATER from soil to prepare their own food. ... Photosynthesis is the process by which plants prepare their own food using carbon dioxide and water in the presence of sunlight. |
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| 50. |
What are indicators make a list of 5 indicator with there colours in acidic and basic medium |
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Answer» Acid-Base Indicators KEY Takeaways Acid-base indicators are chemicals used to determine WHETHER an aqueous SOLUTION is acidic, NEUTRAL, or alkaline. ... Examples of acid-base indicators include litmus paper, phenolphthalein, and red CABBAGE juice. |
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