| 401. | एक स्वरित्र द्विभुज जिसकी आवृत्ति 510 हर्ट्स है, किसी प्रेषक से दूर की ओर तथा एक सीधी दीवार की ओ... | 3 | |
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| 402. | What is brine? What happens when an electric current is passed thro... | 3 | |
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| 403. | A heating element using nichrome connected to a math xmlns=http://www.w3.org/1998/Math/MathMLmn2... | 3 | |
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| 404. | How does the net electric field at the midpoint on the line joining the two spheres change after.... | 3 | |
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| 405. | Consider two coherent sources \( S_{1} \) and \( S_{2} \) producing monochromatic waves to produ... | 3 | |
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| 406. | हाइड्रोजन परमाणु के तुल्य एक आयन की बामर श्रेणी की तीसरी रेखा \( 108.5 \mathrm{~nm} \) तरंगदैर्ध.... | 3 | |
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| 407. | Match Column-I with Column-II and choose the correct combination from the options given below.
\... | 3 | |
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| 408. | What were the causes for the empty treasury of France under Louis XVI? Assess any three causes.
... | 3 | |
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| 409. | Explain the movement of the Gujjar Bakarwals of Jammu and Kashmir.
Or
Explain the annual movement... | 3 | |
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| 410. | Show that average energy density of the electric field \( \vec{E} \) equals the average energy d... | 3 | Show |
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| 411. | A circular loop placed in a plane perpendicular to the plane of paper carries a current when the ... | 3 | |
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| 412. | Two reactions (i) \( A \longrightarrow \) Products, (ii) \( B \longrightarrow \) Products, follo... | 3 | |
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| 413. | Find the area of the minor segment of a circle of radius 14 cm, when the angle of the correspond... | 3 | |
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| 414. | In an insulated vessel, \( 0.05 \mathrm{~kg} \) steam at \( 373 \mathrm{~K} \) and \( 0.45 \math... | 3 | |
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| 415. | Identify and shade three federal countries (other than India) on a blank outline political map of... | 3 | |
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| 416. | Consider the following processes :
P
\( \begin{array}{lc}1 / 2 A \rightarrow B & \Delta H(\mathb... | 3 | |
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| 417. | \( P(3,1), Q(6,5) \) and \( R(x, y) \) are three points such that the angle \( P R Q \) is a rig... | 3 | |
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| 418. | How far is it correct to say that it is not politics that gets caste ridden, but it is the caste ... | 3 | |
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| 419. | Rate of formation of \( \mathrm{SO}_{3} \) according to the reaction \( 2 \mathrm{SO}_{2}+\mathr... | 3 | |
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| 420. | Explain any five causes of industrial revolution in England. | 3 | |
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| 421. | Write the mechanism of acid dehydration of ethanol to yield ethene.... | 3 | |
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| 422. | There are 100 different books in a shelf. Number of ways in which 3... | 3 | |
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| 423. | gaqxdbgtpg79aalsdgjhg5f8o.... | 3 | |
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| 424. | In the figure shown, a ring \( A \) is initially rolling without sliding with a velocity \( v \)... | 3 | |
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| 425. | Distinguish between Political executives and Permanent executives. | 3 | |
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| 426. | Howas the Stalin's collectivisation programme implemented in Russia? | 3 | |
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| 427. | Describe the role of Ottovon Bismarck in the making of Germany? | 3 | |
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| 428. | Explain the impact of the First World War on Britain.
Or
How did the First World War change the e... | 3 | |
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| 429. | Let \( S=x_{1}+x_{2}+x_{3}+x_{4}+x_{5} \) and \( K=x_{1}+x_{2}+x_{3} \) then
(a) Number of posit... | 3 | |
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| 430. | An ideal \( \mathrm{P}-\mathrm{N} \) junction diode shown in figure below:
img src=https://penpe... | 3 | Show |
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| 431. | A block \( A \) of mass \( m_{1} \) rests on a horizontal table. A light string connected to it ... | 3 | |
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| 432. | When a cross in made between tall plant with yellow seeds (TtYy) an... | 3 | |
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| 433. | केंद्र \( O \) वाले वत्त पर बाह्य बिंदु \( T \) से दो स्पर्श रेखाएं... | 3 | |
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| 434. | Which one of the following pairs is not correctly
P matched?
W
(1)... | 3 | |
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| 435. | A particle moving in a straight line covers half the distance with speed of \( 12 \mathrm{~m} / ... | 3 | |
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| 436. | Mention any three constitutional provisions that make India a secular state. | 3 | |
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| 437. | Whoere Gomasthas? | 3 | |
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| 438. | Mark the correct choice as:
(1) Both Statement-I and Statement-II are correct.
(2) Both Statemen... | 3 | |
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| 439. | Two wires are fixed in a sonometer. Their tensions
P W are in the ratio \( 8: 1 \). The lengths ... | 3 | |
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| 440. | Whatas scientific forestry ? | 3 | |
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| 441. | Among the following, which is not a tranquilizer?
(A) Noradrenaline
(B) Chlordiazepoxide
(C) Equ... | 3 | |
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| 442. | Prove that the coefficient of static friction is equal to the tangent of the angle of friction. | 3 | |
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| 443. | \begin{tabular}{l|l|c|c}
\multicolumn{2}{c|}{ Column I } & \multico... | 3 | |
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| 444. | If the circumferences of two concentric circles forming a ring are \( 88 \mathrm{~cm} \) and \( ... | 3 | |
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| 445. | Explain the quantitative and qualitative aspects of water scarcity.
Or
Water is available in abun... | 3 | |
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| 446. | एक ठोस एक अर्धगोले पर खड़े एक शंकु के आकार का है जिनकी त्रिज्याएँ \( 1 \mathrm{~cm} \) हैं तथा श... | 3 | |
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| 447. | A partially dried clay mineral contains \( 8 \% \) water. The original sample contained \( 12 \%... | 3 | |
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| 448. | The electronic configuration of gadolinium (Atomic number 64) is
(a... | 3 | |
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| 449. | What is the social and economic importance of means of communication and transport?
Why are the m... | 3 | |
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| 450. | The difference between any two consecutive interior angles of a pol... | 3 | |
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| 451. | If two straight current carrying wires are kept perpendicular to ea... | 3 | |
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| 452. | What is the main criterion used by the World Bank in classifying different countries? What are th... | 3 | |
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| 453. | उस लंब वृत्तीय शंकु का आयतन ज्ञात कीजिए, जिसकी त्रिज्या \( 6 \mathrm{~cm} \) और ऊँचाई \( 7 \math... | 3 | |
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| 454. | A light whose frequency is equal to \( 6 \times 10^{14} \mathrm{~Hz} \) is incident on a metal w... | 3 | |
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| 455. | A child has blood group O. If the father has blood group A and moth... | 3 | |
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| 456. | What is the basic reason for economic problems in all economies?... | 3 | |
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| 457. | Which among the given molecules can exhibit tautomerism?
(A) Both II and III
(B) III only
(C) Bo... | 3 | |
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| 458. | In the sixth period of the extended form of periodic table, the orbitals are filled as:
(A) \( 6... | 3 | |
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| 459. | Explain the composition of the Council of Ministers.
What is meant by council of Ministers ?
Expl... | 3 | | The Council
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| 460. | A coil of insulated copper wire is connected to a galvanometer. What would happen, if a strong ba... | 3 | |
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| 461. | Describe the explosive conditions prevailed in Balkans after 1871 in Europe. | 3 | |
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| 462. | A particle of mass \( 200 \mathrm{MeV} / \mathrm{c}^{2} \) collides with a hydrogen atom at rest... | 3 | |
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| 463. | Data Interpretation & Logical Reasoning | Logical Reasoning | important points | important point.... | 3 | Vlog |
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| 464. | In which of the following reaction deuterium exchange is not observ... | 3 | |
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| 465. | Discuss how the changes in forest management in the colonial period affected the following group... | 3 | Discussion |
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| 466. | Which portion of male reproductive system has been cut and ligated in figure?\n.... | 3 | |
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| 467. | Answer the following:
(i) Why is sodium hydrogen carbonate an essential ingredient in most antaci... | 3 | |
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| 468. | Calculate the distance between two protons such that the electrical repulsive force between them... | 3 | |
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| 469. | The pitch of a screw gauge having 50 divisions on its circular scale is \( 1 \mathrm{~mm} \). Wh... | 3 | |
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| 470. | एक साइकिल 5,000 चक्करों में 11 किमी की दूरी तय करती है । पहिये का व्यास करें • | 3 | |
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| 471. | On a 200 km track, a train travels the first 50 km at a uniform speed of 40 km / h. How fast m... | 3 | |
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| 472. | During an isothermal expansion, a confined ideal gas does \( -150 \... | 3 | |
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| 473. | Why is there a seasonal reversal ofind direction in the Indian subcontinent? | 3 | |
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| 474. | STDs caused by viruses are
I. AIDS II. Hepatitis-B
III. Genital herpes IV. Chancroid
(a) I, II, ... | 3 | |
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| 475. | What makes an election democratic?
There are some conditions that make an election democratic th... | 3 | |
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| 476. | What is the importance of road transportation in India? How are National Highways different from ... | 3 | |
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| 477. | Using binomial theorem, evaluate each of the following:
\( (102)^{5... | 3 | |
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| 478. | Explain four points about Gandhiji's Satyagraha.
or Gandhiji's idea of Satyagraha emphasised the ... | 3 | |
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| 479. | Two small spheres each having the charge math xmlns=http://www.w3.o... | 3 | |
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| 480. | The ratio of masses of oxygen and nitrogen in a particular gaseous ... | 3 | |
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| 481. | Why is Power sharing desirable?
Why is power sharing necessary in democracy? Explain.
"Power shar... | 3 | |
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| 482. | It is known that the time of revolution T of a satellite around
P t... | 3 | |
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| 483. | The function \( f(x) \) is defined in \( [0,1] \) then the domain o... | 3 | |
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| 484. | Beryllium shows diagonal relationship with-
P
(1) \( \mathrm{Mg} \)... | 3 | Show |
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| 485. | अंडे को उबालने पर उसमें उपस्थित जल कहाँ चला जाता है? | 3 | |
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| 486. | Why does Horace get very angryhen anyone talks about 'honour among thieves'? | 3 | |
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| 487. | Discuss why the colonial government in India brought in the following
laws. In each case, explai... | 3 | |
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| 488. | Calculate the mean, variance and standard deviation for the following frequency distribution by ... | 3 | |
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| 489. | सभी क्षार धातुओं के यौगिक जल में आसानी से घुल जाते हैं परन्तु लीथियम के यौगिक कार्बनिक विलायकों ... | 3 | |
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| 490. | Match The Followings
In this section each question has two matching lists. Choices for the corre... | 3 | |
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| 491. | Explain how sexual reproduction gives rise to more vlable variations than asexual reproduction. ... | 3 | |
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| 492. | Suggest some reforms to strengthen parties so that they perform their functions well?
1) Constit... | 3 | |
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| 493. | How are industries responsible for environmental degradation in India? Explainith examples. | 3 | |
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| 494. | ‘विक्रेता’ शब्द किस उपसर्ग का प्रयोग हुआ है?.... | 3 | |
|
| 495. | When was the BJP formed ? Mention its major ideologies.
Or
Name the national political party whic... | 3 | Vlog |
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| 496. | निम्न में से किसमें माइकोलिक एसिड उपस्थित रहता है (A) टिटनस (B) हैजा (C) डिप्थीरिया (D) क्ष्यरोग | 3 | |
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| 497. | What is sheet erosion ? | 3 | |
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| 498. | सिद्ध कीजिए कि प्रत्येक अवकलनीय फलन सतत् होता है। | 3 | |
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| 499. | When \( 9.65 \) ampere current was passed for \( 1.0 \) hour into n... | 3 | |
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| 500. | Draw the labelled diagram of the following:
(i) gram seed (ii) V.S. of maize seed
\( P \)
Lis gr... | 3 | |
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