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InterviewSolution
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.
| 1301. |
Question 38All the living organisms are basically made up of C, N, S, P, H and O. How do they enter the living forms? Discuss. |
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Answer» Question 38 |
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| 1302. |
Which of the following diagram represents evaporation? |
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Answer» Which of the following diagram represents evaporation?
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| 1303. |
Match the following with the appropriate answer: Shadows formed by coloured objects are ___.darkThe direction of light changes when passed through___.luminousTorch bulb is a ___ object. glassOpaque objects cast ___.shadows |
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Answer» Match the following with the appropriate answer: Shadows formed by coloured objects are ___.darkThe direction of light changes when passed through___.luminousTorch bulb is a ___ object. glassOpaque objects cast ___.shadows |
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| 1304. |
Which of the following energy transformation takes place in a toaster? |
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Answer» Which of the following energy transformation takes place in a toaster? |
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| 1305. |
Which is not a property of ceramics? |
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Answer» Which is not a property of ceramics? |
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| 1306. |
What is saturated solution |
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Answer» What is saturated solution |
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| 1307. |
The salt water can be purified by: |
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Answer» The salt water can be purified by: |
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| 1308. |
how soap bubble have two film |
| Answer» how soap bubble have two film | |
| 1309. |
Under which condition can handpicking be used to separate the constituents of mixture? |
| Answer» Under which condition can handpicking be used to separate the constituents of mixture? | |
| 1310. |
How does sugar dissolve in water? |
| Answer» How does sugar dissolve in water? | |
| 1311. |
similarity between sponge and gaseous stat |
| Answer» similarity between sponge and gaseous stat | |
| 1312. |
Question 3(d) Which of the following statement is “true”? The evaporation of water takes place only in sunlight. |
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Answer» Question 3(d) Which of the following statement is “true”? |
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| 1313. |
Why do sheep in must into antiseptic solution |
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Answer» Why do sheep in must into antiseptic solution |
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| 1314. |
Question 10Fill in the blanks: Producer gas is a mixture of ………….. ………….. is known as marsh gas. The term petroleum means ………….. Heating coal in the absence of air is called …………… An example for fossil fuel is ………….. |
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Answer» Question 10 Fill in the blanks:
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| 1315. |
Make sentences using any two new words which you have learnt in the lesson.(i) ________________________________________________(ii) ________________________________________________ |
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Answer» Make sentences using any two new words which you have learnt in the lesson. (i) ________________________________________________ (ii) ________________________________________________ |
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| 1316. |
how to find the n factor in the following reaction-HNO3---->HNO2 +NO |
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Answer» how to find the n factor in the following reaction- HNO3---->HNO2 +NO |
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| 1317. |
The value of r if 18Cr is maximum, is |
| Answer» The value of r if 18Cr is maximum, is | |
| 1318. |
Fill in the blanks with appropriate words.(a) Synthetic fibres are also called __________ or __________ fibres.(b) Synthetic fibres are synthesised from raw material called __________ .(c) Like synthetic fibres, plastic is also a __________ . |
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Answer» Fill in the blanks with appropriate words. (a) Synthetic fibres are also called __________ or __________ fibres. (b) Synthetic fibres are synthesised from raw material called __________ . (c) Like synthetic fibres, plastic is also a __________ . |
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| 1319. |
We use a knife made of steel to cut the ingredients for making a proper meal. Why do you think steel is preferred? |
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Answer» We use a knife made of steel to cut the ingredients for making a proper meal. Why do you think steel is preferred? |
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| 1320. |
What are synthetic or man-made fibres and natural fibres? Explain with examples. |
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Answer» What are synthetic or man-made fibres and natural fibres? Explain with examples. |
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| 1321. |
Growth in plants and animals is(a) a physical change.(b) a chemical change.(c) neither a physical change nor a chemical change since it is a life process.(d) either a physical change or a chemical change depending on how much the growth is. |
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Answer» Growth in plants and animals is (a) a physical change. (b) a chemical change. (c) neither a physical change nor a chemical change since it is a life process. (d) either a physical change or a chemical change depending on how much the growth is. |
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| 1322. |
From where do the following usually get water? In which form is water present in them?(a) Clouds(b) Plants(c) Mountain tops(d) Aquifer(e) Animals |
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Answer» From where do the following usually get water? In which form is water present in them? (a) Clouds (b) Plants (c) Mountain tops (d) Aquifer (e) Animals |
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| 1323. |
Fill in the blanks:1. The______ocean separates North America and Europe.2. ______is the largest ocean in the world.3. ______fish is used for medical purposes and electrical devices.4.Plants can also grow under_____.5. ____is the device used to measure the consumption of water in our homes.6. ______ is a method to conserve rainwater for future use.7. A place in desert where water is found is known as____.8.Water stored in the ______never dries up.9. We can extract groundwater using _______.10. Polar ice caps contain______. |
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Answer» Fill in the blanks: 1. The______ocean separates North America and Europe. 2. ______is the largest ocean in the world. 3. ______fish is used for medical purposes and electrical devices. 4.Plants can also grow under_____. 5. ____is the device used to measure the consumption of water in our homes. 6. ______ is a method to conserve rainwater for future use. 7. A place in desert where water is found is known as____. 8.Water stored in the ______never dries up. 9. We can extract groundwater using _______. 10. Polar ice caps contain______. |
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| 1324. |
Which one is a biodegradable pollutant? |
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Answer» Which one is a biodegradable pollutant? |
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| 1325. |
The process of conversion of liquid to vapour at any temperature is called ___________. |
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Answer» The process of conversion of liquid to vapour at any temperature is called ___________. |
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| 1326. |
Water freezes at ________ degrees Fahrenheit (∘F). |
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Answer» Water freezes at ________ degrees Fahrenheit (∘F). |
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| 1327. |
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilized. Can the change in POP be reversed? |
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Answer» A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilized. Can the change in POP be reversed? |
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| 1328. |
Which of these is an irreversible change?(a) melting of ice(b) melting of wax(c) boiling of water(d) burning of wax |
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Answer» Which of these is an irreversible change? (a) melting of ice (b) melting of wax (c) boiling of water (d) burning of wax |
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| 1329. |
Why is the cultivation of crops favourable along river banks? |
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Answer» Why is the cultivation of crops favourable along river banks? |
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| 1330. |
What are elementary particles? Do they actually exist? |
| Answer» What are elementary particles? Do they actually exist? | |
| 1331. |
One way of making fabric from yarn is weaving, what is the other? |
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Answer» One way of making fabric from yarn is weaving, what is the other? |
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| 1332. |
Since plants utilize CO2, What do they give out as a waste product? |
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Answer» Since plants utilize CO2, What do they give out as a waste product?
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| 1333. |
What is the difference between an element and a compound? |
| Answer» What is the difference between an element and a compound? | |
| 1334. |
K2Cr2O7 belongs to a crystal system represented by crystal dimension as? |
| Answer» K2Cr2O7 belongs to a crystal system represented by crystal dimension as? | |
| 1335. |
Let us go through an experiment. Two deflated balloons of same mass were taken and tied to the ends of a stick with the help of a string. One of the balloons was inflated and the other balloon was left untouched. The result of this is shown in the given figure. What can be inferred from this? |
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Answer» Let us go through an experiment. Two deflated balloons of same mass were taken and tied to the ends of a stick with the help of a string. One of the balloons was inflated and the other balloon was left untouched. The result of this is shown in the given figure.
What can be inferred from this? |
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| 1336. |
Which of the following is not true about air? |
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Answer» Which of the following is not true about air? |
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| 1337. |
Name one physical change which is irreversible |
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Answer» Name one physical change which is irreversible |
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| 1338. |
Swamp gas is the other name given to: |
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Answer» Swamp gas is the other name given to: |
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| 1339. |
Can we separate alcohol dissolved in water by using a separating funnel? |
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Answer» Can we separate alcohol dissolved in water by using a separating funnel? |
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| 1340. |
During the ion-exchange method of converting hard water into soft water calcium and magnesium ions are exchanged with_______ |
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Answer» During the ion-exchange method of converting hard water into soft water calcium and magnesium ions are exchanged with_______ |
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| 1341. |
In which of these do the molecules of substances undergo changes–physical change or chemical change? |
| Answer» In which of these do the molecules of substances undergo changes–physical change or chemical change? | |
| 1342. |
The pressure exerted by the gas is because of: |
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Answer» The pressure exerted by the gas is because of: |
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| 1343. |
Oil can be separated from water by the process of ___. |
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Answer» Oil can be separated from water by the process of |
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| 1344. |
convert methane to cubane. |
| Answer» convert methane to cubane. | |
| 1345. |
Question 2 (d)Differentiate between Flora and fauna. |
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Answer» Question 2 (d) |
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| 1346. |
Can we separate a mixture of kerosene and water? If yes, then explain the process. Also, state the principle behind the separation. |
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Answer» Can we separate a mixture of kerosene and water? If yes, then explain the process. Also, state the principle behind the separation. |
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| 1347. |
Question 24It is important to make small check dams across the flooded gullies because they(i) hold water for irrigation(ii) hold water and prevent soil erosion(iii) recharge groundwater(iv) hold water permanently.(a) (i) and (iv)(b) (ii) and (iii)(c) (iii) and (iv)(d) (ii) and (iv) |
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Answer» Question 24 It is important to make small check dams across the flooded gullies because they (i) hold water for irrigation (ii) hold water and prevent soil erosion (iii) recharge groundwater (iv) hold water permanently. (a) (i) and (iv) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv) |
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| 1348. |
Fill in each blank with the appropriate term from the brackets.(a) A bucketful of water is to be drawn from a well. ....... will be done when a ......... is applied to do this, because there will be a ........... of water.(displacement, work, force)(b) If a ball is dropped on the sloping roof of a house, it acquires ...... and falls on the ground. That is, transformation of ........ energy into .......... energy takes place.(kinetic, potential, motion)(c) You might have seen some beautiful fireworks during Diwali. It is an example of transformation of ....... energy into....... energy.(light, atom, chemical, solar)(d) The solar cooker is an application of the ...... energy of the sun, while solar cells, solar lamps are applications of the ...... energy of the sun.(light, chemical, heat)(e) One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ......... work will be done.(equal, more, less)(f) The capacity that an object has for doing work is called ....... .(energy, displacement, force) |
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Answer» Fill in each blank with the appropriate term from the brackets. (a) A bucketful of water is to be drawn from a well. ....... will be done when a ......... is applied to do this, because there will be a ........... of water. (displacement, work, force) (b) If a ball is dropped on the sloping roof of a house, it acquires ...... and falls on the ground. That is, transformation of ........ energy into .......... energy takes place. (kinetic, potential, motion) (c) You might have seen some beautiful fireworks during Diwali. It is an example of transformation of ....... energy into....... energy. (light, atom, chemical, solar) (d) The solar cooker is an application of the ...... energy of the sun, while solar cells, solar lamps are applications of the ...... energy of the sun. (light, chemical, heat) (e) One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ......... work will be done. (equal, more, less) (f) The capacity that an object has for doing work is called ....... . (energy, displacement, force) |
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| 1349. |
Why apple is shining ?what is the chemical used? |
| Answer» Why apple is shining ?what is the chemical used? | |
| 1350. |
The layer of air around earth is known as ___ . |
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Answer» The layer of air around earth is known as |
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