InterviewSolution
Saved Bookmarks
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.
| 451. |
What are the sources of water on the earth? |
|
Answer» What are the sources of water on the earth? |
|
| 452. |
Which of these fabrics will you choose to wear in hot and humid conditions?(a) cotton(b) silk(c) nylon(d) wool |
|
Answer» Which of these fabrics will you choose to wear in hot and humid conditions? (a) cotton (b) silk (c) nylon (d) wool |
|
| 453. |
How do plants and animals help each other in exchange of gases in the atmosphere? |
|
Answer» How do plants and animals help each other in exchange of gases in the atmosphere? |
|
| 454. |
Why is the atmosphere important for us? |
| Answer» Why is the atmosphere important for us? | |
| 455. |
Pottery makers create different types of dishes and pots using clay. Molding of clay is ________change. |
|
Answer» Pottery makers create different types of dishes and pots using clay. Molding of clay is ________change. |
|
| 456. |
care, cushion, knees, gentle, breeze, world, nice |
| Answer» care, cushion, knees, gentle, breeze, world, nice | |
| 457. |
In a bucket full of water, a block weighing 50N was immersed. Water weighing 5N spilled out of the bucket. Calculate the buoyant force. |
|
Answer» In a bucket full of water, a block weighing 50N was immersed. Water weighing 5N spilled out of the bucket. Calculate the buoyant force. |
|
| 458. |
|Ix-2I-3|>1 x belongs to |
| Answer» |Ix-2I-3|>1 x belongs to | |
| 459. |
Question 10 Paheli had brought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this |
|
Answer» Question 10 Paheli had brought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this |
|
| 460. |
what is meant by instantaneous velocity ? |
| Answer» what is meant by instantaneous velocity ? | |
| 461. |
what is e-not symbol used to denote? |
| Answer» what is e-not symbol used to denote? | |
| 462. |
Which among the following materials would you identify as soft materials and why?Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati. |
|
Answer» Which among the following materials would you identify as soft materials and why? Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati. |
|
| 463. |
when are hemiacetals and acetals formed?what is the difference in their reaction conditions? |
| Answer» when are hemiacetals and acetals formed?what is the difference in their reaction conditions? | |
| 464. |
A potato remains a potato even after it is cooked. Therefore, cooking is a physical change. Do you agree? Give reasons. |
| Answer» A potato remains a potato even after it is cooked. Therefore, cooking is a physical change. Do you agree? Give reasons. | |
| 465. |
When a fresh egg is put into a beaker filled with water, it sinks. When the same egg is put in a strong salty water, then it floats. Which of the following is the incorrect statement in this context ?(1) salt water enters into egg by osmosis and makes it lighter(2) salt water exerts more buoyant force(3) salt water is denser than tap water(4) upthrust exerted by a liquid depends on its density |
|
Answer» When a fresh egg is put into a beaker filled with water, it sinks. When the same egg is put in a strong salty water, then it floats. Which of the following is the incorrect statement in this context ? (1) salt water enters into egg by osmosis and makes it lighter (2) salt water exerts more buoyant force (3) salt water is denser than tap water (4) upthrust exerted by a liquid depends on its density |
|
| 466. |
The husk from rice can be separated by ___ process. |
|
Answer» The husk from rice can be separated by |
|
| 467. |
Write a letter to the President, Residents' welfare Association of your locality suggesting some measures that could be taken for solving the problem of water scarcity and conserving water. |
Answer»
|
|
| 468. |
Hundred gram of water at 40 degree celsius is contained in a calorimetry having water equivalent 50 gram. hundred gram ice at zero degree celsius is dropped into calorimeter at thermal equilibrium amount of ice present in the mixture is |
| Answer» Hundred gram of water at 40 degree celsius is contained in a calorimetry having water equivalent 50 gram. hundred gram ice at zero degree celsius is dropped into calorimeter at thermal equilibrium amount of ice present in the mixture is | |
| 469. |
Two bodiesofmasses 10kg and 20kg are kept at dis†an ce 1m apart and released Assuming only gravitational forces of attraction are acting findthe speeds of particles when the seperation decreases to 0.5m |
| Answer» Two bodiesofmasses 10kg and 20kg are kept at dis†an ce 1m apart and released Assuming only gravitational forces of attraction are acting findthe speeds of particles when the seperation decreases to 0.5m | |
| 470. |
Which of the following situations - 'A' or 'B' - is advantageous for absorption of water and minerals? Why?Situation 'A': Growth and branching of roots in the C-horizon. Situation 'B': Growth and branching of roots in A and B horizons. |
|
Answer» Which of the following situations - 'A' or 'B' - is advantageous for absorption of water and minerals? Why? Situation 'A': Growth and branching of roots in the C-horizon. Situation 'B': Growth and branching of roots in A and B horizons. |
|
| 471. |
Give reasons why : (a) Earth is the only planet that supports life. (b) The atmosphere is called the earth’s protective shell. (c) The quantity of ice on earth remains the same. (d) Sea water is saline. (e) The earth’s resources are becoming scarce. (f) We must use natural resources with great thrift. |
|
Answer» Give reasons why : (a) Earth is the only planet that supports life. (b) The atmosphere is called the earth’s protective shell. (c) The quantity of ice on earth remains the same. (d) Sea water is saline. (e) The earth’s resources are becoming scarce. (f) We must use natural resources with great thrift. |
|
| 472. |
Water in a container is mixed with dust, sand, and oil. How can we get the water back? |
|
Answer» Water in a container is mixed with dust, sand, and oil. How can we get the water back? |
|
| 473. |
What exactly is stability for a biological community? |
|
Answer» What exactly is stability for a biological community? |
|
| 474. |
From where do we get water? |
| Answer» From where do we get water? | |
| 475. |
Out of 38 ATP molecules produced per molecule of glucose, 32 ATP molecules are formed from NADH/FADH2 in the |
|
Answer» Out of 38 ATP molecules produced per molecule of glucose, 32 ATP molecules are formed from NADH/FADH2 in the |
|
| 476. |
Question 29Explain the traditional way of purifying water to make it fit for drinking. |
|
Answer» Question 29 |
|
| 477. |
Question 11 Which type of the following materials is used for making the front glass (wind screen) of a car? (a) Transparent (b) Translucent (c) Opaque (d) All of these |
|
Answer» Question 11 Which type of the following materials is used for making the front glass (wind screen) of a car? (a) Transparent (b) Translucent (c) Opaque (d) All of these |
|
| 478. |
Why is the use of diesel and petrol as fuels in automobiles being replaced by Compressed Natural Gas (CNG) in big cities? |
|
Answer» Why is the use of diesel and petrol as fuels in automobiles being replaced by Compressed Natural Gas (CNG) in big cities? |
|
| 479. |
Which of the following changes are Reversible and Irreversible?(a) Blowing of a balloon(b) Folding a paper to make a toy aeroplane(c) Rolling a ball of dough to make roti(d) Baking cake in an oven(e) Drying a wet cloth(f) Making biogas from cow dung(g) Burning of a candle |
|
Answer» Which of the following changes are Reversible and Irreversible? (a) Blowing of a balloon (b) Folding a paper to make a toy aeroplane (c) Rolling a ball of dough to make roti (d) Baking cake in an oven (e) Drying a wet cloth (f) Making biogas from cow dung (g) Burning of a candle |
|
| 480. |
Which of the following options defines humus? |
|
Answer» Which of the following options defines humus? |
|
| 481. |
Name and explain in one sentence each the steps involved in converting cotton growing on plants to cotton cloth. |
| Answer» Name and explain in one sentence each the steps involved in converting cotton growing on plants to cotton cloth. | |
| 482. |
The density of air at STP is 0.0013g/ml. Its vapour density. |
| Answer» The density of air at STP is 0.0013g/ml. Its vapour density. | |
| 483. |
What do you do on a rainy day? How do you keep yourself dry in the rain? Do you like to play in water? Say what things live in water. |
Answer»
|
|
| 484. |
The correct expression for enthalpy of combustion is |
| Answer» The correct expression for enthalpy of combustion is | |
| 485. |
Why are glass jars and bottles dried well before filling them with pickles? |
|
Answer» Why are glass jars and bottles dried well before filling them with pickles? |
|
| 486. |
Howmany hydrogen moles r there in 5.6 l of CH4? |
| Answer» Howmany hydrogen moles r there in 5.6 l of CH4? | |
| 487. |
Select the group that is generally made of wood. |
|
Answer» Select the group that is generally made of wood. |
|
| 488. |
A bucket made of plastic does not rust like a bucket made of iron. Why? |
|
Answer» A bucket made of plastic does not rust like a bucket made of iron. Why? |
|
| 489. |
What are the things we get from? |
|
Answer» What are the things we get from?
|
|
| 490. |
Question 5(i) Evaporation occurs from the …………… of the water.(ii) At sea-level, pure water boils at ……………(iii) Condensation of steam takes place at …………… |
|
Answer» Question 5 (i) Evaporation occurs from the …………… of the water. (ii) At sea-level, pure water boils at …………… (iii) Condensation of steam takes place at …………… |
|
| 491. |
Which of the following words is a part of the subject? The lady wearing a blue bonnet broke the beautiful vase. |
|
Answer» Which of the following words is a part of the subject? The lady wearing a blue bonnet broke the beautiful vase. |
|
| 492. |
Remplissez les cases. |
| Answer» Remplissez les cases. | |
| 493. |
(a) If you have to choose between two thin blankets and a thick blanket on a cold winter night, which one will you choose? (b) Stainless steel pans are usually provided with copper bottoms. Why? (c) You may have noticed that a few sharp jerks are given to a clinical thermometer before using it. Why is it done so? [5 MARKS] |
|
Answer» (a) If you have to choose between two thin blankets and a thick blanket on a cold winter night, which one will you choose? |
|
| 494. |
If Cl2O7 is 40% dissociated at 60°C then what will be the rate of diffusion at 60°C compared to undissociated state? |
|
Answer» If Cl2O7 is 40% dissociated at 60°C then what will be the rate of diffusion at 60°C compared to undissociated state? |
|
| 495. |
what is heavy water? mention two uses of it |
| Answer» what is heavy water? mention two uses of it | |
| 496. |
Which among the following materials would you identify as soft materials and why?Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati. |
|
Answer» Which among the following materials would you identify as soft materials and why? Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati. |
|
| 497. |
The process of n factor |
| Answer» The process of n factor | |
| 498. |
Name three plant fibres. |
| Answer» Name three plant fibres. | |
| 499. |
In the process of hand picking, we need to pick stones from rice in order to: |
|
Answer» In the process of hand picking, we need to pick stones from rice in order to: |
|
| 500. |
Write advantages and disadvantages of natural fibres. |
|
Answer» Write advantages and disadvantages of natural fibres. |
|
