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351.

if the temp of an atmosphere remains cons .so the relation between height and pressure will be? molar mass of air=M(neglect △ g w.r.to height)

Answer» if the temp of an atmosphere remains cons .so the relation between height and pressure will be? molar mass of air=M(neglect △ g w.r.to height)
352.

Which of the following mainly decides biodiversity in a particular area?

Answer»

Which of the following mainly decides biodiversity in a particular area?


353.

'जवाहरलाल को इस कठिन यात्रा के लिए तैयार नहीं होना चाहिए।'तुम इससे सहमत हो तो भी तर्क दो, नहीं हो तो भी तर्क दो। अपने तर्कों को तुम कक्षा के सामने प्रस्तुत भी कर सकते हो।

Answer»

'जवाहरलाल को इस कठिन यात्रा के लिए तैयार नहीं होना चाहिए।'



तुम इससे सहमत हो तो भी तर्क दो, नहीं हो तो भी तर्क दो। अपने तर्कों को तुम कक्षा के सामने प्रस्तुत भी कर सकते हो।

354.

__________ forest found on the west coast of India and North East Himalayas.

Answer»

__________ forest found on the west coast of India and North East Himalayas.


355.

Dibang is a tributary of

Answer»

Dibang is a tributary of
356.

“Development of agro-based industries will not only help in job creation and uplift MSME sector but has the propensity to stabilise and make agriculture lucrative.” Discuss.

Answer»

“Development of agro-based industries will not only help in job creation and uplift MSME sector but has the propensity to stabilise and make agriculture lucrative.” Discuss.
357.

काका कालेलकर ने नदियों को लोकमाता क्यों कहा है ?

Answer»

काका कालेलकर ने नदियों को लोकमाता क्यों कहा है ?

358.

(i)"दो दिन में जंगल में सड़क बनाने का काम शुरू होगा। तुम सब लोगों को इस काम पर पहुँचना है। अगर नहीं पहुँचे तो ठीक नहीं होगा।" (ii)"काम करेंगे तो बदले में क्या मिलेगा।" ऊपर के कथनों में पहला कथन तहसीलदार बेस्टीयन का है जो आदिवासियों के गाँवों मे जाकर चिल्ला-चिल्लाकर बोला था और दूसरा कथन आदिवासियों में से किसी का है जो तहसीलदार से पूछना चाहा था। अब तुम सोचकर बताओ कि– (क) तुम्हारे विचार से बेस्टियन का कथन ठीक होगा? (ख) आदिवासियों में से किसी के द्वारा कहा गया वह कथन कैसा है? तुम्हारे विचार से क्या ठीक होगा? (संकेत :-तुम अपनी पसंद के कथन को अपने ढंग से लिख सकते हो)

Answer»

(i)"दो दिन में जंगल में सड़क बनाने का काम शुरू होगा। तुम सब लोगों को इस काम पर पहुँचना है। अगर नहीं पहुँचे तो ठीक नहीं होगा।"



(ii)"काम करेंगे तो बदले में क्या मिलेगा।"



ऊपर के कथनों में पहला कथन तहसीलदार बेस्टीयन का है जो आदिवासियों के गाँवों मे जाकर चिल्ला-चिल्लाकर बोला था और दूसरा कथन आदिवासियों में से किसी का है जो तहसीलदार से पूछना चाहा था। अब तुम सोचकर बताओ कि–



(क) तुम्हारे विचार से बेस्टियन का कथन ठीक होगा?



(ख) आदिवासियों में से किसी के द्वारा कहा गया वह कथन कैसा है? तुम्हारे विचार से क्या ठीक होगा?



(संकेत :-तुम अपनी पसंद के कथन को अपने ढंग से लिख सकते हो)

359.

Why can't the bace of logarithmic function be negative

Answer» Why can't the bace of logarithmic function be negative
360.

what are the needs to secreat hormon in human

Answer» what are the needs to secreat hormon in human
361.

35. The approximate size of the nucleus of Ni (at. no. 28) is?

Answer» 35. The approximate size of the nucleus of Ni (at. no. 28) is?
362.

The total water present on earth is called as 'hydrosphere'. It includes:

Answer»

The total water present on earth is called as 'hydrosphere'. It includes:



363.

How many hills and bridges does it pass during is journey?

Answer»

How
many hills and bridges does it pass during is journey?

364.

राजा ने कौन-कौन से हुक्म निकाले? सूची बनाइए और इनके निहितार्थ लिखिए।

Answer» राजा ने कौन-कौन से हुक्म निकाले? सूची बनाइए और इनके निहितार्थ लिखिए।
365.

Why do we see a lot of darkness after we go out on the terrace on a sunny day?

Answer» Why do we see a lot of darkness after we go out on the terrace on a sunny day?
366.

ntA 2100W continous flow geyser has water inlet temperature=10'C while the water flows out at the rate of 20g/s.The outlet temperature of water must be aboutn nt1-20'Cn nt2-30n nt3-35n nt4-40n

Answer» ntA 2100W continous flow geyser has water inlet temperature=10'C while the water flows out at the rate of 20g/s.The outlet temperature of water must be aboutn nt1-20'Cn nt2-30n nt3-35n nt4-40n
367.

In B.3 you read an eye-witness account of a robbery. On the basis of your reading of the Birlstone tragedy, in about 125 words, write Dr Wood's account of the discovery of John Douglas's body.

Answer»

In B.3 you read an eye-witness account of a robbery. On the basis of your reading of the Birlstone tragedy, in about 125 words, write Dr Wood's account of the discovery of John Douglas's body.

368.

Enumerate and discuss the major reasons for migration.

Answer» Enumerate and discuss the major reasons for migration.
369.

Water: A Wonder Liquid. Comment

Answer» Water: A Wonder Liquid. Comment
370.

How many litres of water flow out of a pipe having an area of cross-section of 5cm2 in one minute, if the speed of water in the pipe is 30 cm/ sec?

Answer» How many litres of water flow out of a pipe having an area of cross-section of 5cm2 in one minute, if the speed of water in the pipe is 30 cm/ sec?
371.

Suggest measures for controlling carbon dioxide levels in the atmosphere. [2 MARKS]

Answer»

Suggest measures for controlling carbon dioxide levels in the atmosphere. [2 MARKS]

372.

What is the habitat in which the following are found?

Answer»

What is the habitat in which the following are found?

373.

The Indian ____________ have discovered a way to boost the yield per hectare of different ________ of rice.

Answer»

The Indian ____________ have discovered a way to boost the yield per hectare of different ________ of rice.


374.

________is the hardest part of soil profile.

Answer»

________is the hardest part of soil profile.



375.

What could be the reasons for adopting contraceptive methods?

Answer»

What could be the reasons for adopting contraceptive methods?

376.

The special shutters used in a steam engine are called ___ .

Answer» The special shutters used in a steam engine are called ___ .
377.

What causes wind

Answer»

What causes wind

378.

Major part of wood of old dicot stem is filled with tannins, resins and gums. The part is called:

Answer»

Major part of wood of old dicot stem is filled with tannins, resins and gums. The part is called:


379.

Choose theright answer from the four alternatives given below.(i)The Tropic of Cancer does notpass through (a) Rajasthan (c) Chhattisgarh (b) Orissa (d) Tripura (ii)The easternmost longitude of India is (a) 97° 25' E (c) 77° 6' E (b) 68° 7' E (d) 82° 32' E (iii)Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim have commonfrontiers with (a) China (c) Nepal (b) Bhutan (d) Myanmar (iv)If you intend to visit Kavaratti during your summer vacations, whichone of the following Union Territories of India you will be going to? (a) Puducherry (c) Andaman and Nicobar (b) Lakshadweep (d) Diu and Daman (v)My friend hails from a country which does notshare land boundary with India. Identify the country. (a) Bhutan (c) Bangladesh (b) Tajikistan (d) Nepal

Answer»

Choose the
right answer from the four alternatives given below.


(i)
The Tropic of Cancer does
not
pass through














(a) Rajasthan



(c) Chhattisgarh



(b) Orissa



(d) Tripura




(ii)
The easternmost longitude of India is














(a) 97°
25' E



(c) 77°
6' E



(b) 68°
7' E



(d) 82°
32' E




(iii)
Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim have common
frontiers with














(a) China



(c) Nepal



(b) Bhutan



(d) Myanmar




(iv)
If you intend to visit Kavaratti during your summer vacations, which
one of the following Union Territories of India you will be going to?














(a) Puducherry



(c) Andaman and Nicobar



(b) Lakshadweep



(d) Diu and Daman




(v)
My friend hails from a country which does
not
share land boundary with India. Identify the country.














(a) Bhutan



(c) Bangladesh



(b) Tajikistan



(d) Nepal


380.

Given the following data: Year CPI of Industrial Workers (1982 = 100) CPI of Agricultural Labourers (1986-87 = 100) WPI (1993-94 = 100) 1995–96 313 234 121.6 1996–97 342 256 127.2 1997–98 366 264 132.8 1998–99 414 293 140.7 1999–00 428 306 145.3 2000–01 444 306 155.7 2001–02 463 309 161.3 2002–03 482 319 166.8 2003–04 500 331 175.9 Source: Economic Survey, 2004-2005, Government of India (i) Comment on the relative values of the index numbers.(ii) Are they comparable?

Answer»

Given the following data:



































































Year



CPI of Industrial



Workers



(1982 = 100)



CPI of Agricultural



Labourers



(1986-87 = 100)



WPI



(1993-94 = 100)



1995–96



313



234



121.6



1996–97



342



256



127.2



1997–98



366



264



132.8



1998–99



414



293



140.7



1999–00



428



306



145.3



2000–01



444



306



155.7



2001–02



463



309



161.3



2002–03



482



319



166.8



2003–04



500



331



175.9




Source: Economic Survey, 2004-2005, Government of India



(i) Comment on the relative values of the index numbers.



(ii) Are they comparable?

381.

यथायोग्यं श्लोकांशान्‌ मेलयत- क ख धनधान्यप्रयोगेषु नासद्भिः किञ्चिदाचरेत्। विस्मयो न हि कर्त्तव्यः त्यक्तलज्जः सुखी भवेत्। सत्येन धार्यते पृथ्वी बहुरत्ना वसुन्धरा। सद्भिर्विवादं मैत्रीं च विद्यायाः संग्रहेषु च। आहारे व्यवहारे च सत्येन तपते रविः।

Answer» यथायोग्यं श्लोकांशान्‌ मेलयत-



































धनधान्यप्रयोगेषु नासद्भिः किञ्चिदाचरेत्।
विस्मयो न हि कर्त्तव्यः त्यक्तलज्जः सुखी भवेत्।
सत्येन धार्यते पृथ्वी बहुरत्ना वसुन्धरा।
सद्भिर्विवादं मैत्रीं च विद्यायाः संग्रहेषु च।
आहारे व्यवहारे च सत्येन तपते रविः।

382.

The passage suggests that one of the effects of the deregulation of the airlines was

Answer» The passage suggests that one of the effects of the deregulation of the airlines was
383.

'Blue revolution' refers to [1 mark] (A) construction of water dams for conservation of water (B) production of fish in large quantities (C) sewage treatment (D) controlling algal bloom

Answer» 'Blue revolution' refers to [1 mark]
(A) construction of water dams for conservation of water
(B) production of fish in large quantities
(C) sewage treatment
(D) controlling algal bloom
384.

WHICH OF THE FOLLOWING WILL HAVE SAME DIMENSION AS THAT OF TIME C/L R/L CL L/R

Answer» WHICH OF THE FOLLOWING WILL HAVE SAME DIMENSION AS THAT OF TIME C/L R/L CL L/R
385.

A & B are two substances. Both substances have equal mass. Whose density is greater, if A's Volume ≥ B's volume?

Answer»

A & B are two substances. Both substances have equal mass. Whose density is greater, if A's Volume ≥ B's volume?

386.

List some advantages of conserving water. Explain how groundwater is recharged?

Answer»

List some advantages of conserving water. Explain how groundwater is recharged?



387.

माता का अँचल शीर्षक की उपयुक्तता बताते हुए कोई अन्य शीर्षक सुझाइए।

Answer»

माता का अँचल शीर्षक की उपयुक्तता बताते हुए कोई अन्य शीर्षक सुझाइए।

388.

How the preparation of heavy water (D2o takes place?

Answer» How the preparation of heavy water (D2o takes place?
389.

Why is the cold air and hot steam only visible? eg:from a freezer, from a hot cup respectively.

Answer» Why is the cold air and hot steam only visible? eg:from a freezer, from a hot cup respectively.
390.

निम्नलिखित का आशय स्पष्ट कीजिए − "आप वासुदेव की पूजा करते हैं इसलिए वसुदेव को तो नहीं पूजते, हीरे का भारी मूल्य देते हैं किन्तु कोयले या पत्थर का नहीं देते और मोती को कठ में बाँधकर फिरते हैं किंतु उसकी मातुश्री को गले में नहीं बाँधते।" कस-से-कम इस विषय पर कवियों के साथ चर्चा न करना ही उत्तम !

Answer»

निम्नलिखित का आशय स्पष्ट कीजिए


"आप वासुदेव की पूजा करते हैं इसलिए वसुदेव को तो नहीं पूजते, हीरे का भारी मूल्य देते हैं किन्तु कोयले या पत्थर का नहीं देते और मोती को कठ में बाँधकर फिरते हैं किंतु उसकी मातुश्री को गले में नहीं बाँधते।" कस-से-कम इस विषय पर कवियों के साथ चर्चा न करना ही उत्तम !

391.

How the Rain is possible on hot earth? and from where it originated?

Answer» How the Rain is possible on hot earth? and from where it originated?
392.

"हरी घास पर बिखरे दी हैं ये किसने मोती की लड़ियाँ?" ऊपर की पंक्तियों को उलट-फेर कर इस तरह भी लिखा जा सकता है– "हरी घास पर ये मोती की लड़ियाँ किसने बिखेर दी हैं?" इसी तरह नीचे लिखी पंक्तियों में उलट-फेर कर तुम भी उसे अपने ढंग से लिखो। (क) "कौन रात में गूँथ गया है ये उज्ज्वल हीरों की कड़ियाँ?" (ख) "नभ के नन्हें तारों में ये कौन दमकते हैं यों दमदम?"

Answer»

"हरी घास पर बिखरे दी हैं



ये किसने मोती की लड़ियाँ?"



ऊपर की पंक्तियों को उलट-फेर कर इस तरह भी लिखा जा सकता है–



"हरी घास पर ये मोती की लड़ियाँ किसने बिखेर दी हैं?"



इसी तरह नीचे लिखी पंक्तियों में उलट-फेर कर तुम भी उसे अपने ढंग से लिखो।



(क) "कौन रात में गूँथ गया है



ये उज्ज्वल हीरों की कड़ियाँ?"







(ख) "नभ के नन्हें तारों में ये



कौन दमकते हैं यों दमदम?"

393.

How to separate alloy like metalloids

Answer» How to separate alloy like metalloids
394.

The inclination of the rock beds with respect to the horizontal plane is termed as

Answer»

The inclination of the rock beds with respect to the horizontal plane is termed as
395.

Arrange the following elements in the order of their abundance in Earth's crust. Aluminium - Al, Silicon - Si, Iron - Fe

Answer»





Arrange the following elements in the order of their abundance in Earth's crust.

Aluminium - Al, Silicon - Si, Iron - Fe


396.

rain is falling at the speed of 25\sqrt3m/s vertically .the wind blows west to east at a speed of 25m/s.fiend the velocity of rain as experienced by a person s†an ding on the gr

Answer» rain is falling at the speed of 25\sqrt3m/s vertically .the wind blows west to east at a speed of 25m/s.fiend the velocity of rain as experienced by a person s†an ding on the gr
397.

How would you express rain as − an agent of floods? − a source of water for dams?

Answer»

How
would you express rain as


an
agent of floods
?


a
source of water for dams
?

398.

Read the following statements carefully. i.Beriberi is caused due to nutritional deficiency ii.Asthma is a genetic disorder iii.Depression is a type of mental illness iv.AIDS is a protozoal disease Which two of the above statements are correct?

Answer»

Read the following statements carefully.

i.Beriberi is caused due to nutritional deficiency
ii.Asthma is a genetic disorder
iii.Depression is a type of mental illness
iv.AIDS is a protozoal disease

Which two of the above statements are correct?


399.

The waste water which flows from the industries to the water bodies can be advantages to us as it keeps the water flowing and not stagnant and hence avoiding the breeding places of mosquitoes??

Answer» The waste water which flows from the industries to the water bodies can be advantages to us as it keeps the water flowing and not stagnant and hence avoiding the breeding places of mosquitoes??
400.

Which of the following is an example of a producer?

Answer»

Which of the following is an example of a producer?