| 401. | A first order reaction takes 40 min for 30% decomposition. Calculate t1/2.... | 1 | |
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| 402. | Which has the maximum number of molecules among the following?.... | 0 | |
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| 403. | A vector is added to an equal and opposite vector of similar nature, forms a.... | 0 | |
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| 404. | A resistance of 300#937; and an inductance of1#960; henry are connected in series to an ac volta.... | 0 | |
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| 405. | The velocity of electromagnetic waves in a dielectric medium (∈r = 4) is -.... | 0 | |
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| 406. | A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by th.... | 0 | |
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| 407. | Three point charges +q, + 2q and ndash;4q where q = 0.1 mu;C, are placed at the vertices of an e.... | 0 | |
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| 408. | A positively charged ball hangs from a silk thread. We put a positive test charge q0 at a point .... | 0 | |
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| 409. | The Red Blood Corpuscles (RBC) in animal cells are isotonic with \\(0.9 \\% NaCl\\) solution. Wh.... | 0 | |
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| 410. | The figure shows the variation of stopping potential \\(V_o\\) with the frequency v of the incid.... | 0 | |
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| 411. | Write the reaction of Glucose with :\n\\(HI\\).... | 0 | |
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| 412. | An electron with velocity \\(\\vec{v}=\\left(v_x \\hat{i}+v_y \\hat{j}\\right)\\) moves through .... | 0 | |
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| 413. | Draw a schematic diagram of lac operon in absence of inducer in the culture medium of the bacter.... | 0 | |
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| 414. | Predict the number of unpaired electrons in the square planarPt(CN)42- ion..... | 0 | |
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| 415. | In how many of the following plants, tap roots are modified for storage?
(Sweet potato, turnip, .... | 0 | |
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| 416. | The displacement of a body of mass 4 kg varies with time as s = (tsup2;+2t) m. Now the workdone .... | 1 | |
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| 417. | The undershot water wheels are those in which.... | 0 | |
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| 418. | An electric heater is rated 1500 watt. If electric power costs Rs. 2 per kilo-watt hour, then th.... | 1 | |
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| 419. | If the 5thterm of an A.P. is 9 and9th term is 5, then which of the following term is unity.... | 0 | |
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| 420. | Two charges each equal to 2mu;C are 0.5 m apart. If both of them exist inside vacuum, then the f.... | 0 | |
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| 421. | Match the Column-I with Column-II:\n\n\n\nColumn I\nColumn II\n\n\nA.\n1 L\nP.\n10-5 N\n\n\nB.\n.... | 0 | |
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| 422. | Statement-I: [Cu(CN)4]3ndash; has tetrahedral geometry and dsp2 hybridization.\nStatement-II: [Z.... | 0 | |
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| 423. | Many plants are also dependent on sunlight to meet their photoperiodic requirement for;.... | 0 | |
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| 424. | Which one is not a abiotic factor?.... | 0 | |
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| 425. | What volume of oxygen gas (O2) measured at 0deg;C and 1 atm, is needed to burn completely 1 L of.... | 0 | |
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| 426. | An allele is said to be dominant if;.... | 0 | |
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| 427. | When applied force and displacement are perpendicular to each other then the work done will be:.... | 0 | |
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| 428. | The resultant capacitance between A and B in the following figure is equal to;\n.... | 0 | |
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| 429. | The p.d. between points A and B in a section of a circuit shown in:
.... | 0 | |
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| 430. | Which of the following is not the unit of surface tension?.... | 0 | |
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| 431. | When an object is kept within the focus of a concave mirror, an enlarged image is formed behind .... | 0 | |
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| 432. | If ∫(2x+3)dxx(x+1)(x+2)(x+3)+1=C-1f(x) of the form of ax2+bx+c then (a + b + c) equal.... | 0 | |
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| 433. | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0 | |
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| 434. | PW REAL TEST SERIES JEE 2025 | Physics.... | 1 | | Portal
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| 435. | PW REAL TEST SERIES JEE 2025 | Physics.... | 0 | | Portal
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| 436. | PW REAL TEST SERIES JEE 2025 | Physics.... | 0 | | Portal
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| 437. | Write the main product in the following reactions :\n.... | 1 | |
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| 438. | A plane polarized blue light ray is incident on a prism such that there is no reflection from th.... | 0 | |
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| 439. | Two non motile male gametes in angiosperms are produced by.... | 0 | |
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| 440. | The dimension of the ratio of angular momentum and linear momentum is;.... | 1 | | Momentum
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| 441. | For any complex number z, find the minimum value of |z| + |z – 2i|..... | 0 | |
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| 442. | Two particles of equal mass m and charge q are placed at a distance of 16 cm. They do not experi.... | 0 | |
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| 443. |  The value of (119)2+(119)(111)+(111)2(119)3-(111)3.... | 0 | |
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| 444. | लेखक ने किसकी प्रतिभा का उदाहरण देकर चार महिलाओं की इच्छाओं को पूरा किया?.... | 0 | |
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| 445. | Match the following lists.\n\n\n\n\nList - I\n\nLists - II\n\n\n(a)\nLipase\n(I)\nAlcohol produc.... | 0 | |
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| 446. | Mark the correct order of decreasing acid strength of the following compounds:\n.... | 0 | |
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| 447. | Identify the set of correct statements: A. More than 70% of all recorded species are animals, wh.... | 0 | |
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| 448. | Female heterogamety is found in;.... | 0 | |
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| 449. | During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG .... | 0 | |
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| 450. | Root hairs arise from;.... | 0 | |
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| 451. | Select the incorrect match -.... | 0 | |
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| 452. | Who among the following was assigned the responsibility of economic recovery by Hitler?.... | 0 | |
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| 453. | The following mechanism has been proposed for the exothermic catalyzed complex reaction
A+.... | 0 | |
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| 454. | A sphere encloses an electric dipole with charge plusmn; 3 times; 10-6 C. What is the total elec.... | 0 | |
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| 455. | Shifting cultivation is known as.... | 0 | |
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| 456. | The most widely used antipyretic is:.... | 0 | |
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| 457. | An increase in the concentration of the reactants of a reaction leads to change in:.... | 0 | |
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| 458. | The shape of the wavefront originating from a line source is_______..... | 0 | |
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| 459. | Consider the following reaction and identify the product (P).
.... | 0 | |
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| 460. | Write the reaction of Glucose with :\\(HCN\\).... | 0 | |
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| 461. | Reduction potential for the following half-cell reactions are:Zn→Zn2++2e-;E°=+0.76.... | 0 | |
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| 462. | Given below are two statements: one is labelled as Assertion A and the other is labelled as Reas.... | 0 | |
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| 463. | If A is a square matrix of order 3, |A| = 3, then |adj (adj A) is equal to .... | 0 | |
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| 464. | Why decision making is delayed in a democratic system?.... | 0 | |
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| 465. | 6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of .... | 0 | |
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| 466. | The emf of the cell, ZnZn2+(0.01M)‖Fe2+(0.001M)Fe at 298 K is 0.2905 V. The value of equili.... | 0 | |
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| 467. | Which of the following material is most suitable for cooking utensil?.... | 0 | |
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| 468. | Unique character of Thallophyta is:.... | 0 | |
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| 469. | Assertion: In aerobic respiration presence of O2 is necessary.\nReason: In aerobic respiration, .... | 0 | |
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| 470. | The correct corresponding order of names of four aldoses with configuration given below respecti.... | 0 | |
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| 471. | In primary settling tank, all sediments that settle are termed as;.... | 0 | |
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| 472. | The type of growth where cells are always being added to the plant body by the activity of meris.... | 0 | |
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| 473. | Which structure of seed produce stem?.... | 0 | |
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| 474. | The layer just below the epidermis in a monocot stem is;.... | 0 | |
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| 475. | The ratio between the root mean square speed of H2 at 50 K and that of O2 at 800 K is,.... | 0 | |
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| 476. | Revolt led by Wolfe Tone and his United Irishmen failed in:.... | 0 | |
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| 477. | The major product H of the given reaction sequence is:
CH3-CH2-CO-CH3→CNG→Heat95%H2SO4.... | 0 | |
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| 478. | The correct stability order of following species is-
.... | 0 | |
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| 479. | The integrating factor of xdydx+y-x+xycotx=0.... | 0 | |
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| 480. | If \( 15 \sin ^{4} \alpha+10 \cos ^{4} \alpha=6 \), for some \( \alpha \in R \), then the value .... | 0 | |
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| 481. | Statement-I: LiCl is predominantly a covalent compound.Statement-II: Electronegativity differenc.... | 0 | |
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| 482. | IfCr stands for Crn, then the sum of the series2n2!n2!n!C02-2C12+3C22-…+(-1)n(n+1)Cn2,whe.... | 0 | |
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| 483. | In Arrhenius equation for a certain reaction, the value of A and E2 (activation energy) are 4.... | 0 | |
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| 484. | Work out the following using chemical equations “Chlorination of calcium hydroxide produce.... | 0 | |
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| 485. | The magnitude of q1 is ............ | 0 | |
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| 486. | The value of α is __________.... | 0 | |
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| 487. | નીચેનામાંથી કેટલા સમુદાયો દ્વિગર્ભસ્તરીય અને પેશીસ્તરીય આયોજન ધરાવે છે?
સછિદ્ર, કોષ્ઠાંત્રિ, કંક.... | 0 | |
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| 488. | ∫01x(1−x)ndx is equal to.... | 0 | |
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| 489. | Graphically, the pair of equations \(6 x-3 y+10=0\), \(2 x-y+9=0\) represents two lines which ar.... | 0 | |
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| 490. | At room temperature NH3 gas at one atm and HCl gas at P atm are allowed to effuse through identi.... | 0 | |
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| 491. | An L-C circuit contains a 0.60 H inductor and a 25µF capacitor. What is the rate of change.... | 0 | |
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| 492. | The total number of RNA polymerase found in eukaryotes is.... | 0 | |
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| 493. | Blackmanrsquo;s law of limiting factor is applied to;.... | 0 | |
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| 494. | 10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water .... | 0 | |
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| 495. | Identify the given figures of algae and select the correct option.\n\n (A) (B).... | 0 | |
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| 496. | Select the incorrect statement..... | 0 | |
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| 497. | Which among the following is considered in numerical taxonomy?.... | 0 | |
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| 498. | Parallel venation is the characteristic of;.... | 0 | |
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| 499. | Minimum number of zeroes in diagonal matrix A having 25 elements is m and diagonal matrix B havi.... | 0 | |
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| 500. | Consider f(x) = minimum (x+2,4-x),  ∀ x ≤ 4. If the area bounded by y = f(x) and.... | 0 | |
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