| 401. | एक वस्तु एक नियत त्वरण से गतिशील है। इस वस्तु की गति का समय-त्वरण, समय-वेग एवं समय-विस्थापन आरेख... | 1,477 | |
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| 402. | State one advantage of SHGs.
Key concept: SHGs - Self help Groups a... | 1,474 | |
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| 403. | Number of moles of \( \mathrm{MnO}_{4}^{-} \)required to oxidize on... | 1,473 | |
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| 404. | Distinguish between Political executives and Permanent executives. | 1,472 | |
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| 405. | एक गाड़ी में पीछे का क्षेत्र देखने के लिए एक 2 मीटर वक्रतात्रिज्या का उत्तल दर्पण लगा है। यदि बस... | 1,470 | |
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| 406. | The total number of three-digit numbers, with one digit repeated ex... | 1,470 | |
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| 407. | State gauss law in electrostatics. A cube with each side \( a \) is kept in an electric field ... | 1,469 | |
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| 408. | Boards|Physics|12|Magnetism and Matter|Magnetic Properties of Materials.... | 1,466 | |
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| 409. | Define executive.
Key Concept \( = \) Executive
Executive can be de... | 1,457 | |
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| 410. | Whatere Corn Laws? Why were these Laws abolished ? | 1,456 | |
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| 411. | What is the importance of road transportation in India? How are National Highways different from ... | 1,453 | |
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| 412. | What way is an MNC different from the national companies ? Highlight any three points of distinct... | 1,449 | |
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| 413. | If \( \mathrm{H}_{2} \mathrm{SO}_{4} \) ionises as \( \mathrm{H}_{2} \mathrm{SO}_{4}+2 \mathrm{H... | 1,447 | |
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| 414. | Choose the correct name for compound given below :
[JEE Main-2021]
... | 1,441 | |
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| 415. | अष्टक नियम को परिभाषित कीजिए तथा इस नियम के महत्त्व और सीमाओं को लिखिए। | 1,441 | |
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| 416. | Why did industrial production in India increase during the First World War?
* During the First w... | 1,438 | |
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| 417. | Why is the difference between the durations of day and night hardly felt at Kanyakumari but not s... | 1,438 | |
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| 418. | India is a secular state. Justify by giving examples.
(VI)
Or
Explain three features of a secula... | 1,438 | |
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| 419. | Astone is dropped from a building, and 2 seconds later another ston... | 1,438 | |
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| 420. | The students of a school decided to beautify the school on the Annual Day by fixing colourful fla... | 1,434 | |
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| 421. | \( M Y \) and \( N_{3} \), two nearly insoluble salts, have the sam... | 1,432 | |
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| 422. | Three resistors having resistances \( r_{1}, r_{2} \) and \( r_{3} ... | 1,431 | |
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| 423. | If repetitions are not permitted
(i) How many 3 digit numbers can b... | 1,430 | |
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| 424. | If, for a positive integer \( \mathrm{n} \), the quadratic equation... | 1,428 | |
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| 425. | एक इलेक्ट्रॉन \( 10^{-2} \) वेबर \( / \) मीटर \( ^{2} \) के चुम्बकीय क्षेत्र में \( 10^{7} \) मी... | 1,425 | |
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| 426. | A bar magnet of length \( l \) and magnetic dipole moment \( \mathr... | 1,422 | |
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| 427. | Whoere known as November criminals? | 1,421 | |
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| 428. | What is a constituency? | 1,419 | |
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| 429. | The marks, out of 50 , obtained by 100 students in a test are given below :
\begin{tabular}{|l|c... | 1,418 | |
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| 430. | Reaction between \( \mathrm{N}_{2} \) and \( \mathrm{O}_{2} \) take... | 1,418 | |
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| 431. | The IUPAC name for the compound is
(A) 1-fluoro-4-methyl-2-nitrobenzene
(B) 4-fluoro-1-methyl-3-... | 1,418 | |
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| 432. | Why is cheap and affordable credit important for a country's development? Explain any three reaso... | 1,417 | |
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| 433. | Describe the impact of globalisation on Indian economyith example. | 1,410 | |
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| 434. | Which are the major physiographic divisions of India? Contrast the relief of the Himalayan regio... | 1,410 | |
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| 435. | The osmotic pressure of a solution of \( \mathrm{NaCl} \) is \( 0.10 \mathrm{~atm} \) and that o... | 1,410 | |
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| 436. | Which one of the following bonds has the highest average bond energy?
(A) \( \mathrm{S}=0 \)
(B)... | 1,409 | |
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| 437. | A uniform chain of length \( L \) and mass \( m \) is kept on a smo... | 1,407 | |
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| 438. | Why is mining activity often called a "Killer Industry"? Give three... | 1,406 | |
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| 439. | A simple example of a coordinate covalent bond is exhibited by
(1) ... | 1,404 | |
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| 440. | Two charged thin infinite plane sheets of uniform surface charge de... | 1,404 | |
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| 441. | If \( a N=\{a x: x \in N\} \) and \( b N \cap c N=d N \), where \( ... | 1,401 | |
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| 442. | Deduce Newton's law of cooling from Stefan-Boltzmann's law.
W | 1,399 | |
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| 443. | What is the absolute and gauge pressure of the gas above the liquid... | 1,397 | |
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| 444. | Explain the role of languages in developing the nationalist sentiments in
Europe.
Key Concept \(... | 1,397 | |
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| 445. | What do you understand by the term Reign of Terror?
(W)
The period from 1793 to 1794 is referred... | 1,396 | |
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| 446. | The French Revolution popularised many symbols. Each symbol depicted some basic values. Mention ... | 1,393 | |
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| 447. | Lederberg replica plating experiment explains that mutations are
(1... | 1,389 | |
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| 448. | Select the false statement
(1) In elastic collision, KE is not cons... | 1,388 | |
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| 449. | यदि बहुपद \( x^{3}-3 x^{2}+x+1 \) के शून्यक \( a-b, a, a+b \) हों, तो \( a \) और \( b \) ज्ञात क... | 1,383 | |
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| 450. | An electric dipole of moment \( \overrightarrow{\mathrm{p}}=(-\hat{... | 1,378 | |
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| 451. | The IUPAC name of the following compound is
(A) \( 1,2,3 \)-tricyanopropane
(B) propane-1, 2, 3-... | 1,378 | |
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| 452. | Let \( A[x: x \in R,|x|1] ; B=[x: x \in R,|x-1| \geq 1] \) and \( A... | 1,377 | |
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| 453. | \( \mathrm{Zn}^{2+} \) लवण सफेद होते हैं जबकि \( \mathrm{Cu}^{2+} \) लवण नीले होते हैं। स्पष्ट क... | 1,376 | |
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| 454. | If \( A=\left[(x, y): x^{2}+y^{2}=25\right] \) and \( B=\left[(x, y... | 1,373 | |
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| 455. | The number of different possible orders of matrices having 12 ident... | 1,371 | |
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| 456. | In a rocket of mass \( 1000 \mathrm{~kg} \) fuel is consumed at a r... | 1,369 | |
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| 457. | Why has India adopted a multi-party system? Explain. | 1,365 | |
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| 458. | How do Enzymes bring about such High Rates of Chemical Conversions?... | 1,363 | |
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| 459. | The rate constants of a reaction at \( 500 \mathrm{~K} \) and \( 70... | 1,361 | |
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| 460. | The determinant \( \left|\begin{array}{ccc}4+x^{2} & -6 & -2 \\ -6 ... | 1,360 | |
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| 461. | Whatas Spinning Jenny ? | 1,358 | |
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| 462. | How did the East India Company procure regular supplies of cotton and silk textiles from Indian ... | 1,358 | | East India Company
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| 463. | How is the issue of sustainability important for development? Explainith examples. | 1,357 | |
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| 464. | मानव शुक्राणु का स्वच्छ, नामांकित चित्र बनाइए। | 1,349 | |
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| 465. | Boards|Physics|11|Gravitation|Gravitational Potential (Gravitational Potential Due to Different .... | 1,345 | | Gravitational
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| 466. | Describe any five major problems faced by road transport in India. | 1,342 | |
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| 467. | Find the sum of all natural numbers less than 1000 which are neither divisible by 5 nor by 2 . | 1,340 | |
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| 468. | What was the Rowlatt Act? How did it affect the National Movement?
Or What was Rowlatt Act? How d... | 1,340 | | What was
|
| 469. | Three element \( \mathrm{X}, \mathrm{Y}, \mathrm{Z} \) are followin... | 1,338 | |
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| 470. | Suggest any three measures of soil conservation?
(W)
or Explain some farming techniques through ... | 1,337 | |
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| 471. | स्टील के एक तार का अनुप्रस्थ- श्षेत्रफल \( 0.5 \) सेमी \( ^{2} \) है। इसकी लम्बाई को प्रारस्थिक ... | 1,335 | |
|
| 472. | Why did some people fear the effect of easily available printed books? Choose one example from E... | 1,333 | |
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| 473. | An infinitely long solid cylinder of radius \( R \) has a uniform volume charge density \( \rho ... | 1,333 | |
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| 474. | Describe the different forms of power-sharing in modern democracies... | 1,331 | |
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| 475. | What isave motion? Write any four characteristics of wave motion. | 1,330 | |
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| 476. | What is the main criterion used by the World Bank in classifying different countries? What are th... | 1,329 | |
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| 477. | If the area of a semi-circular field is 15400 sq \( m \), then peri... | 1,327 | |
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| 478. | Describe any three major problems faced by Indian cottoneavers in nineteenth century. | 1,325 | |
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| 479. | Using Euclid's algorithm, find the largest number that divides 1251, 9377 and 15628 leaving remai... | 1,322 | |
|
| 480. | How did nationalism develop through culture in Europe? Explain.
or How did culture play an import... | 1,321 | |
|
| 481. | What is the system of checks and balances
(W) in power sharing ?
Ans. The system of check and ba... | 1,319 | |
|
| 482. | What are the main inorganic and organic pollutants present in water ? | 1,318 | |
|
| 483. | What is optimal solution? | 1,317 | |
|
| 484. | IUPAC name of the compound is
(A) 1-bromobut-2-ene
(B) 2-bromo-2-butene
(C) bromobutane
(D) brom... | 1,310 | |
|
| 485. | If \( A \) and \( B \) are two given sets, then \( A \cap(A \cap B)... | 1,308 | |
|
| 486. | The correct order of atomic radii is :
\( \mathrm{P} \)
[JEE Main -... | 1,306 | |
|
| 487. | What is the meaning of the term 'Office Memorandum'?
(a) Order issued by the Government of India
... | 1,304 | |
|
| 488. | Mention four major terms of the Treaty of Versailles.
'The Treaty of Versailles was harsh and hum... | 1,303 | |
|
| 489. | A man is riding on a cycle with velocity \( 7.2 \mathrm{~km} / \mat... | 1,300 | |
|
| 490. | A particle moving in a circle of radius \( \mathrm{R} \) with a uni... | 1,294 | |
|
| 491. | Discuss the steps to be taken to minimise environmental degradation
(W) by industry?
Key concept... | 1,288 | Discussion |
|
| 492. | Why does rainfall decrease from East to West in Northern India? | 1,286 | |
|
| 493. | Deduce Boyle's law on the basis of kinetic theory of gases.
W | 1,285 | |
|
| 494. | Evaluate the left-hand and right-hand limits of the following function at \( x=1 \) :
\[
f(x)=\l... | 1,282 | |
|
| 495. | How can caste take several forms in politics?
Explain with examples... | 1,282 | |
|
| 496. | A particle of unit mass is moving along the \( x \)-axis under the influence of a force and its ... | 1,282 | |
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| 497. | Why did Gandhiji decide to launch a nationwide Satyagraha against the proposed Rowlatt Act 1919? ... | 1,281 | |
|
| 498. | Why doe need rights in a democracy? | 1,276 | |
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| 499. | Find the velocity of the hanging block if the velocities of the fre... | 1,276 | |
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| 500. | Two containers \( A \) and \( B \) are partly filled with water and... | 1,275 | |
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