1992 + Interview Questions in Science Page 25 InterviewSolution

1201.	What are elementary substances? I why they need to be molecular ?
Answer» What are elementary substances? I why they need to be molecular ?

Discussion

1202.	How to know which is displacement of any figure
Answer» How to know which is displacement of any figure

Discussion

1203.	____ carries oxygen to all parts of our body.
Answer» ____ carries oxygen to all parts of our body.

Discussion

1204.	Question 2 How coal is formed from dead vegetation?
Answer» Question 2 How coal is formed from dead vegetation?

1204.

Question 2 How coal is formed from dead vegetation?

Answer»

Question 2

How coal is formed from dead vegetation?

Discussion

1205.

Make new words by adding/dropping a few letters from the root word. Some are done for you. –ed –ing –er –est pound âœ• âœ• try tried âœ• âœ• large âœ• âœ• new âœ• âœ• tasty tasted tasting tastier wise âœ• âœ• stare âœ• âœ• clean Do any of these words use all of four endings?

Answer»

Make new words by adding/dropping a few letters from the root word. Some are done for you.

	–ed	–ing	–er	–est
pound			âœ•	âœ•
try	tried		âœ•	âœ•
large	âœ•	âœ•
new	âœ•	âœ•
tasty	tasted	tasting	tastier
wise	âœ•	âœ•
stare			âœ•	âœ•
clean

Do any of these words use all of four endings? ______ ______

Discussion

1206.	What is constellation?
Answer» What is constellation?

Discussion

1207.

In what ways do human beings make use of this special sense of smell of dogs? When do you find your sense of smell helpful to you? List some examples. Like – to know by its smell that food has gone bad or that something is burning. Name the animals that you would be able to recognise only by their smell, without seeing them? Write the names of five things you like and five things whose smell you do not like. I like the smell of I do not like the smell of Rose Rotten Eggs Petrol Foul Breath Paint Cow Dung Wet Soil Crackers after they are burnt Do you and your friends have similar answers?

Answer»

In what ways do human beings make use of this special sense of smell of dogs?

When do you find your sense of smell helpful to you? List some examples. Like – to know by its smell that food has gone bad or that something is burning.

Name the animals that you would be able to recognise only by their smell, without seeing them?

Write the names of five things you like and five things whose smell you do not like.

I like the smell of	I do not like the smell of
Rose	Rotten Eggs
Petrol	Foul Breath
Paint	Cow Dung
Wet Soil	Crackers after they are burnt

Do you and your friends have similar answers?

Discussion

1208.	आजादी से पहले भारत-निर्माण को लेकर नेहरू के क्या सपने थे? आजादी के बाद वे साकार हुए? चर्चा कीजिए।
Answer» आजादी से पहले भारत-निर्माण को लेकर नेहरू के क्या सपने थे? आजादी के बाद वे साकार हुए? चर्चा कीजिए।

Discussion

1209.	Question 5 (f)Constellation Orion can be seen only with a telescope. (T/F)
Answer» Question 5 (f) Constellation Orion can be seen only with a telescope. (T/F)

1209.

Question 5 (f)Constellation Orion can be seen only with a telescope. (T/F)

Answer»

Question 5 (f)

Constellation Orion can be seen only with a telescope. (T/F)

Discussion

1210.	Question 3Which of the following are environment-friendly practices?1. Carrying cloth-bags to put purchases in while shopping2. Switching off unnecessary lights and fans3. Walking to school instead of getting your mother to drop you on her scooter4. All of the above
Answer» Question 3 Which of the following are environment-friendly practices? 1. Carrying cloth-bags to put purchases in while shopping 2. Switching off unnecessary lights and fans 3. Walking to school instead of getting your mother to drop you on her scooter 4. All of the above

Discussion

1211.	16 Statement-1 : Molarity of solution and molality of solution both change with density. and Statement-2 : Density of solution changes when % by mass of solution changes.
Answer» 16 Statement-1 : Molarity of solution and molality of solution both change with density. and Statement-2 : Density of solution changes when % by mass of solution changes.

Discussion

1212.	22. What is the difference between meteoroids and meteorites
Answer» 22. What is the difference between meteoroids and meteorites

Discussion

1213.	Why is sky blue in colour?
Answer» Why is sky blue in colour?

Discussion

1214.	How is water from river made suitable for drinking?
Answer» How is water from river made suitable for drinking?

Discussion

1215.	The ratio of the heights from which two bodies are dropped is 3:5 respectively. What will ratio of their final velocities
Answer» The ratio of the heights from which two bodies are dropped is 3:5 respectively. What will ratio of their final velocities

Discussion

1216.	Does mass increases at a very high speed
Answer» Does mass increases at a very high speed

Discussion

1217.	What are the various examples of evaporation around us?
Answer» What are the various examples of evaporation around us?

Discussion

1218.	Describe the senses of mosquitoes that help them to sense humans.
Answer» Describe the senses of mosquitoes that help them to sense humans.

Discussion

1219.	the time period of mass suspended from a spring is T if the spring is cut into 4 equal parts and the same mass is suspended from one of the parts, then the new time period will be
Answer» the time period of mass suspended from a spring is T if the spring is cut into 4 equal parts and the same mass is suspended from one of the parts, then the new time period will be

Discussion

1220.	पाठ में पानी के संकट के किस प्रमुख कारण की बात की गई है?
Answer» पाठ में पानी के संकट के किस प्रमुख कारण की बात की गई है?

Discussion

1221.	In which season is ice cream popular?
Answer» In which season is ice cream popular?

Discussion

1222.	18. A force of 2i +2j+3k N is acting on a very light rod pinned at origin.if this force is acting on this light rod at (1,1,1) m, then torque about origin will be
Answer» 18. A force of 2i +2j+3k N is acting on a very light rod pinned at origin.if this force is acting on this light rod at (1,1,1) m, then torque about origin will be

Discussion

1223.	<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Which one of the following is a spacecraft?
Answer» <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Which one of the following is a spacecraft?

Discussion

1224.	Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles? Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy? Can you make a mirror hazy in the same way? Can you tell by touching the mirror what made it hazy? Is the air you blew from your mouth dry or wet? Put your hand on your chest. When you breathe in, does your chest come out or go in. Measure your chest– Take a deep breath in– Ask your friend to measure your chest with a thread.Measurement____________– Now breathe out. Again ask your friend to measure your chest. Measurement____________– Was there any difference in the two measurements of your chest?
Answer» Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles? Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy? Can you make a mirror hazy in the same way? Can you tell by touching the mirror what made it hazy? Is the air you blew from your mouth dry or wet? Put your hand on your chest. When you breathe in, does your chest come out or go in. Measure your chest – Take a deep breath in – Ask your friend to measure your chest with a thread. Measurement____________ – Now breathe out. Again ask your friend to measure your chest. Measurement____________ – Was there any difference in the two measurements of your chest?

1224.

Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles? Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy? Can you make a mirror hazy in the same way? Can you tell by touching the mirror what made it hazy? Is the air you blew from your mouth dry or wet? Put your hand on your chest. When you breathe in, does your chest come out or go in. Measure your chest– Take a deep breath in– Ask your friend to measure your chest with a thread.Measurement– Now breathe out. Again ask your friend to measure your chest. Measurement– Was there any difference in the two measurements of your chest?

Answer»

Have you seen someone blowing on their spectacles to wipe them clean? How does the

air from the mouth help in cleaning the spectacles?

Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times.

Does the glass look hazy?

Can you make a mirror hazy in the same way? Can you tell by touching the mirror what made it hazy? Is the air you blew from your mouth dry or wet?

Put your hand on your chest. When you breathe in, does your chest come out or go in.

Measure your chest

– Take a deep breath in

– Ask your friend to measure your chest with a thread.

Measurement____________

– Now breathe out. Again ask your friend to measure your chest. Measurement____________

– Was there any difference in the two measurements of your chest?

Discussion

1225.	How did Aman know that the potato sabzi had got spoilt? Have you ever seen some food that has got spoilt? How did you know that it was spoilt? Preeti told Nitu not to eat the potato sabzi. What would have happened if she had eaten it?
Answer» How did Aman know that the potato sabzi had got spoilt? Have you ever seen some food that has got spoilt? How did you know that it was spoilt? Preeti told Nitu not to eat the potato sabzi. What would have happened if she had eaten it?

Discussion

1226.	Why do stars appear smaller than the Sun?
Answer» Why do stars appear smaller than the Sun?

Discussion

1227.

giant goose jam grey gym gold June gum Choose and tick the words with a 'j' sound a. January goose gem jam b. jacket giraffe grow July c. giant grapes grey June

Answer»

giant	goose
jam	grey
gym	gold
June	gum

Choose and tick the words with a 'j' sound

a.	January	goose	gem	jam
b.	jacket	giraffe	grow	July
c.	giant	grapes	grey	June

Discussion

1228.	flowchart of locomotion disorders
Answer» flowchart of locomotion disorders

Discussion

1229.

In the lesson you will find many words that describe sounds like whistling, roaring, braking, crashing , raging. Can you list the things these sounds are related to? Sounds Things associated whistling wind, policeman roaring _________ braking _ crashing _ raging _________

Answer»

In the lesson you will find many words that describe sounds like whistling, roaring, braking, crashing , raging. Can you list the things these sounds are related to?

Sounds	Things associated
whistling	wind, policeman
roaring	___________________
braking	___________________
crashing	___________________
raging	___________________

Discussion

1230.	If on a sunny day , too much evaporation happens and forms many heavy clouds , why doesn't it rain the next day ?
Answer» If on a sunny day , too much evaporation happens and forms many heavy clouds , why doesn't it rain the next day ?

Discussion

1231.	The cage like structure that protects the vital organs in our upper body and moves forward and outward during inhalation is ______.
Answer» The cage like structure that protects the vital organs in our upper body and moves forward and outward during inhalation is ______.

Discussion

1232.	Question 3 (d)Discuss the effects of deforestation on cities (urban areas).
Answer» Question 3 (d) Discuss the effects of deforestation on cities (urban areas).

Discussion

1233.	The energy of a system as a function of time t is given as E(t) =A^2 exp(-at), where a=0.2 s^-1. The measurement of A has an error of 1.25%. If theerror in the measurement of time is 1.50%, the percentage error in thevalue of E(t) at t5 sec is
Answer» The energy of a system as a function of time t is given as E(t) =A^2 exp(-at), where a=0.2 s^-1. The measurement of A has an error of 1.25%. If theerror in the measurement of time is 1.50%, the percentage error in thevalue of E(t) at t5 sec is

Discussion

1234.	Close your eyes and hear yourteacher say the following words:butterfly, myna, fish, elephant,kangaroo.With your eyes still shut, imagine thatyou are seeing these creatures.Open your eyes and move likethey do.
Answer» Close your eyes and hear your teacher say the following words: butterfly, myna, fish, elephant, kangaroo. With your eyes still shut, imagine that you are seeing these creatures. Open your eyes and move like they do.

Discussion

1235.	ntx and y component of a vector are 100N and 100N . Find the 2components if vector is rotated by:n nt1)15degree clockwisen nt2)15degree anticlockwisen
Answer» ntx and y component of a vector are 100N and 100N . Find the 2components if vector is rotated by:n nt1)15degree clockwisen nt2)15degree anticlockwisen

Discussion

1236.	2 ladders lean against each other. normal rxn between them acts
Answer» 2 ladders lean against each other. normal rxn between them acts

Discussion

1237.	Which of the following is not a function of the skin?
Answer» Which of the following is not a function of the skin?

Discussion

1238.	The tension in the spring in this case is
Answer» The tension in the spring in this case is

Discussion

1239.	What is the difference betweeen manure and fertilisers?
Answer» What is the difference betweeen manure and fertilisers?

Discussion

1240.	Which of the following animals is not viviparous?
Answer» Which of the following animals is not viviparous?

Discussion

1241.	Which pigment acts directly to convert light energy to chemical energy?
Answer» Which pigment acts directly to convert light energy to chemical energy?

1241.

Which pigment acts directly to convert light energy to chemical energy?

Answer»

Which pigment acts directly to convert light energy to chemical energy?

Discussion

1242.	why is ice slippery??
Answer» why is ice slippery??

Discussion

1243.	Did you like the frog’s behaviour?
Answer» Did you like the frog’s behaviour?

Discussion

1244.	What are the cues that signal the presence of the peacock in the vicinity?
Answer» What are the cues that signal the presence of the peacock in the vicinity?

Discussion

1245.	ntMolarity of H2S04 solution is 18M.If density of solution is 1.8gm/Cm3.Calculate molality of solution .?n
Answer» ntMolarity of H2S04 solution is 18M.If density of solution is 1.8gm/Cm3.Calculate molality of solution .?n

Discussion

1246.	What is the function of the pollen tube?
Answer» What is the function of the pollen tube?

Discussion

1247.	Name the locomotory organs of the given organisms. Birds Fishes
Answer» Name the locomotory organs of the given organisms. Birds Fishes

Discussion

1248.	"for molality we are taking mass of solvent ",but for molarity we are taking only values of solute.'Is there any impor†an ce for solvent in molarity?'
Answer» "for molality we are taking mass of solvent ",but for molarity we are taking only values of solute.'Is there any impor†an ce for solvent in molarity?'

Discussion

1249.	Question 20What will happen to ‘pooris’ and ‘unused kneaded flour’ if they are left in the open for a day or two?
Answer» Question 20 What will happen to ‘pooris’ and ‘unused kneaded flour’ if they are left in the open for a day or two?

Discussion

1250.	Consider an infinite distribution of point masses(each of mass m) placed on x-axis as shown inthe diagram. What is the gravitational force actingon the point mass placed at the origin?
Answer» Consider an infinite distribution of point masses(each of mass m) placed on x-axis as shown inthe diagram. What is the gravitational force actingon the point mass placed at the origin?

Discussion

Explore topic-wise InterviewSolutions in .

What are elementary substances? I why they need to be molecular ?

How to know which is displacement of any figure

____ carries oxygen to all parts of our body.

Question 2 How coal is formed from dead vegetation?

What is constellation?

आजादी से पहले भारत-निर्माण को लेकर नेहरू के क्या सपने थे? आजादी के बाद वे साकार हुए? चर्चा कीजिए।

Question 5 (f)Constellation Orion can be seen only with a telescope. (T/F)

Question 3Which of the following are environment-friendly practices?1. Carrying cloth-bags to put purchases in while shopping2. Switching off unnecessary lights and fans3. Walking to school instead of getting your mother to drop you on her scooter4. All of the above

16 Statement-1 : Molarity of solution and molality of solution both change with density. and Statement-2 : Density of solution changes when % by mass of solution changes.

22. What is the difference between meteoroids and meteorites

Why is sky blue in colour?

How is water from river made suitable for drinking?

The ratio of the heights from which two bodies are dropped is 3:5 respectively. What will ratio of their final velocities

Does mass increases at a very high speed

What are the various examples of evaporation around us?

Describe the senses of mosquitoes that help them to sense humans.

the time period of mass suspended from a spring is T if the spring is cut into 4 equal parts and the same mass is suspended from one of the parts, then the new time period will be

पाठ में पानी के संकट के किस प्रमुख कारण की बात की गई है?

In which season is ice cream popular?

18. A force of 2i +2j+3k N is acting on a very light rod pinned at origin.if this force is acting on this light rod at (1,1,1) m, then torque about origin will be

&lt;!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--&gt;Which one of the following is a spacecraft?

How did Aman know that the potato sabzi had got spoilt? Have you ever seen some food that has got spoilt? How did you know that it was spoilt? Preeti told Nitu not to eat the potato sabzi. What would have happened if she had eaten it?

Why do stars appear smaller than the Sun?

giant goose jam grey gym gold June gum Choose and tick the words with a 'j' sound a. January goose gem jam b. jacket giraffe grow July c. giant grapes grey June

flowchart of locomotion disorders

If on a sunny day , too much evaporation happens and forms many heavy clouds , why doesn't it rain the next day ?

The cage like structure that protects the vital organs in our upper body and moves forward and outward during inhalation is ______.

Question 3 (d)Discuss the effects of deforestation on cities (urban areas).

The energy of a system as a function of time t is given as E(t) =A^2 exp(-at), where a=0.2 s^-1. The measurement of A has an error of 1.25%. If theerror in the measurement of time is 1.50%, the percentage error in thevalue of E(t) at t5 sec is

Close your eyes and hear yourteacher say the following words:butterfly, myna, fish, elephant,kangaroo.With your eyes still shut, imagine thatyou are seeing these creatures.Open your eyes and move likethey do.

ntx and y component of a vector are 100N and 100N . Find the 2components if vector is rotated by:n nt1)15degree clockwisen nt2)15degree anticlockwisen

2 ladders lean against each other. normal rxn between them acts

Which of the following is not a function of the skin?

The tension in the spring in this case is

What is the difference betweeen manure and fertilisers?

Which of the following animals is not viviparous?

Which pigment acts directly to convert light energy to chemical energy?

why is ice slippery??

Did you like the frog’s behaviour?

What are the cues that signal the presence of the peacock in the vicinity?

ntMolarity of H2S04 solution is 18M.If density of solution is 1.8gm/Cm3.Calculate molality of solution .?n

What is the function of the pollen tube?

Name the locomotory organs of the given organisms. Birds Fishes

"for molality we are taking mass of solvent ",but for molarity we are taking only values of solute.'Is there any impor†an ce for solvent in molarity?'

Question 20What will happen to ‘pooris’ and ‘unused kneaded flour’ if they are left in the open for a day or two?

Consider an infinite distribution of point masses(each of mass m) placed on x-axis as shown inthe diagram. What is the gravitational force actingon the point mass placed at the origin?

Which one of the following is a spacecraft?