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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1551. |
The formula of sulphate of element X is x2 (so4)3 . The formula of nitride of elements X is. (A) X2N (B) XN2 (C) XN (D) X2N3 |
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Answer» Correct option is (C) XN |
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| 1552. |
The acid which makes iron passive is _________ (A) Conc. HCl (B) Conc. H2SO4 (C) Conc. HNO3 (D) Conc. |
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Answer» (C) Conc. HNO3 Here HNO3 is most stronger oxidizing agent. HNO3 reacts on the surface of iron and passiveness the surface. |
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| 1553. |
Three test tubes containing: Test Tube X : 5ml of HCl Test Tube Y ; 5ml of HNO3 Test Tube Z : 15 ml of HCl + 5ml of HNO3 A small piece of metal was added in all the three test tubes. It dissolves only in Test Tube Z. The metal is: (A) Al (B) Au (C) Cu (D) Ag |
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Answer» Correct option is (B) Au |
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| 1554. |
If 1.5 moles of oxygen gas combines with solid Aluminium to form Al2 O3. What is the mass of Aluminium used in the reaction? (A) 27 gm (B) 54gm (C) 40.5gm (D) 81gm |
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Answer» Correct option is (B) 54gm |
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| 1555. |
A student test the pH of distilled water and found that the colour of pH paper changed to green. He checked the pH again after dissolving a pinch of common salt in water. The colour of pH paper this time will be: (A) Green (B) Yellow (C) Red (D) Blue |
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Answer» Correct option is (A) Green |
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| 1556. |
Identify the double displacement reactions.(a) Pb (NO3)2 + 2KL → Pbl + 2KNO3(b) HCl + Na OH → NaCl + H2 O(c) CuO + 2HCl → CuCl2 + H2 O(d) Zn + H2 SO4 → ZnSO4 + H2 |
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Answer» (d) Zn + H2 SO4 → ZnSO4 + H2 AB + CD → AD + CB |
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| 1557. |
Assertion (A) : The position of hydrogen in the modern periodic table is still under debate. Reason (R) : In the periodic table hydrogen is placed at the bottom of the alkali metals while hydrogen is a gas. (A) Both A and R are correct. (B) Both A and R are incorrect (C) A is correct but R does not explain A. (D) A is correct and R explains A. |
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Answer» (C) A is correct but R does not explain A. Yes hydrogen is under debate shows similarity with group 1 & group 17 element (B) Wrong. Hydrogen is in top |
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| 1558. |
On electrolysis of brine solution the products formed are: (A) Na and Cl2 (B) H2 ,O2 and Cl2 (C) H2, Cl2 , and NaOH (D) NaOH, Cl2 and O2 |
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Answer» (C) H2, Cl2 , and NaOH |
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| 1559. |
The pH of acid rain is (1) less than 5.6 (2) more than 5.6 (3) equal to 5.6 (4) more than 6.6 |
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Answer» (1) less than 5.6 pH of acid rain is less than 5.6 |
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| 1560. |
1.0 Kg of Iron (Fe), having atomic mass equal to 56 g mol–1 contains (1) 2.88 x 1024 atoms (2) 6.93 x 1023 atoms (3) 6.93 x 1021 atoms (4) 1.075 x 1025 atoms |
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Answer» (4) 1.075 x 1025 atoms No. of moles = 1000g / 56g = 17.8 moles. 1 mole contains NA atom of Fe So, 17.8 mole contain 17.8 x 6.022 x 1023 = 1.075 x 1025 atoms |
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| 1561. |
Ethane, with the molecular formula C2H6 has (A) 6 covalent bonds (B) 7 covalent bonds (C) 8 covalent bonds (D) 9 covalent bonds |
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Answer» (B) 7 covalent bonds C2H6 = 7 covalent bond |
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| 1562. |
Choose the metalloid from the following elements : (1) Boron (2) Sodium (3) Chlorine (4) Aluminium |
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Answer» Correct option is (1) Boron |
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| 1563. |
A flagellum is present at one end of a protozoan. It is: (1) Planaria (2) Paramecium (3) Hydra (4) Leishmania |
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Answer» Correct option is (4) Leishmania |
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| 1564. |
A car moves with constant speed of 10 m/s in a circular path of radius 10m. If the mass of the car is 1000 kg, then the centripetal force for the car is ….(1) 104 N (2) 106 N (3) 105 N (4) None |
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Answer» Correct option is (1) 104 N |
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| 1565. |
The speed of light in diamond is 1,24,000 km/sec. If the speed of light in air is 3, 00,000 km/sec., then the refractive index of diamond will be .. (1) 1.49 (2) 2.42 (3) 2.25 (4) None |
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Answer» Correct option is (2) 2.42 |
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| 1566. |
In the way India is related to Ashok Chakra, the same way Sri Lanka is related to (1) Lily (2) Lion and sword (3) Moon and star (4) Red star |
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Answer» Correct option is (2) Lion and sword |
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| 1567. |
Arrange the following words according to dictionary arrangement. (a) WOUND (b) WRITER (c) WHITER (d) WORST (e) WORKED (A) caedb (B) adceb (C) dcbae (D) cedab |
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Answer» Correct option is (D) cedab |
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| 1568. |
Arrange the words given below in a meaningful sequence : 1. Probation 2. Interview 3. Selection 4. Appointment 5. Advertisement 6. Application (1) 5, 6, 3; 2, 4, 1 (2) 5, 6, 4; 2, 3, 1 (3) 5, 6, 2; 3, 4, 1 (4) 6, 5, 4; 2, 3, 1 |
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Answer» (3) 5, 6, 2; 3, 4, 1 Advertisement → Application → Interview → Selection → Appointment → Probation |
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| 1569. |
Which king motivated the navigators in Europe? (1) Nicholas (2) Pancham George (3) William (4) Henry |
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Answer» Correct option is (4) Henry |
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| 1570. |
Which Asian country was involved in Africa’s imperialistic policy? (1) Thailand (2) Iraq (3) Arab (4) Iran |
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Answer» Correct option is (3) Arab |
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| 1571. |
In the given diagram which alphabet indicates the rain shadow area.(1) A (2) B (3) C (4) D |
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Answer» Correct option is (4) D |
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| 1572. |
The rule Qing Dynasty ended in 1911 in which of the following Asian countries? (A)Thailand (B) Vietnam (C) North Korea (D)China |
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Answer» Correct answer is (D)China |
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| 1573. |
Who presided over the first meeting of the Indian Constituent Assembly? (1) Sachchidanand Sinha (2) Dr. Rajendra Prasad (3) Dr. B.R. Ambedkar (4) H.V. Kamath |
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Answer» (1) Sachchidanand Sinha |
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| 1574. |
A pair of contrasting characters is called (A) Phenotype (B) genotype (C) allele (D) gene |
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Answer» (A) Phenotype |
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| 1575. |
The displacement of body as a function of time is shown in figure. The figure indicates that(1) The body starts with a certain velocity, but the motion is retarded and finally the body stops (2) The velocity of the body is constant throughout (3) The acceleration of the body is constant throughout (4) The body starts with a constant velocity, the body moves with another constant velocity |
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Answer» (1) The body starts with a certain velocity, but the motion is retarded and finally the body stops |
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| 1576. |
A bird is in a wire cage hanging from a spring balance. The reading of the balance is taken when the bird is flying about in the cage, and when the bird is at rest in the cage. The first reading will be (1) Much greater than the second (2) Greater than the second (3) Less than the second (4) Same as the second |
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Answer» (3) Less than the second |
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| 1577. |
The architect who rebuilt Paris in 1852 was (1) Baron Haussmann ( 2 ) T . E . Turner (3) Francis Garnier (4) Carl Wecker |
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Answer» (1) Baron Haussmann |
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| 1578. |
"Malabar Beauty" painting was made by (1) Raja Ravi Varma (2) Chandu Menon (3) Abanindranath Tagore (4) Natesha Shastri |
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Answer» (1) Raja Ravi Varma |
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| 1579. |
As a part of this movement, Naidhobi bandhs were organized b y panchayats to deprive landlords of the services of even barbers and washermen? (1) Gudem Hills of Andhra Pradesh (2) Peasant Movement of Awadh (3) Mepla Movement in Kerala (4) Kheda Satyagraha in Gujarat |
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Answer» (2) Peasant Movement of Awadh |
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| 1580. |
Two chemical species A and B chemically combine to form a product C So, A + B → C A and B cannot be broken down into simpler substances by simple chemical reactions. Choose the alternative in which all statements are correct? (i) A and B are compounds (ii) C is a compound (iii) A and B are elements (iv)C has a fixed composition (A) (i), (ii) and (iii) (B) (ii), (iii) and (iv) (C) (i), (iii) and (iv) (D) (i), (ii) and (iv) |
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Answer» (B) (ii), (iii) and (iv) |
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| 1581. |
Choose the alternative that gives the correct answer. The particles of the following type of mixture scatter a beam of light passing through it and make its path visible. (i) Solution (ii) Suspension (iii)Colloidal solution (A)Both (i) and (iii) are correct (B) Only (ii) is correct (C) Only (iii) is correct (D)Both (ii) and (iii) are correct |
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Answer» (D) Both (ii) and (iii) are correct |
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| 1582. |
At room temperature, sucrose (C12 H22 O11) has the appearance of a white solid powder. How many oxygen atoms are present in 17.1 grams of sucrose?(A) 6.022 × 1022 (B) 3.31 × 1022 (C) 3.31 × 1023 (D) 6.022 × 1023 |
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Answer» Correct answer is (C) 3.31 × 1023 |
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| 1583. |
In a solar cooker, the phenomenon of greenhouse effect raises the temperature inside the solar cooker much higher than the temperature of the surroundings. Greenhouse effect in sola cookers is caused by (A) A double glass lid covering the inner box (B) A reflective mirror fitted to the outer lid (C) The outer box cover of the solar cooker (D) The inner cooking box painted in black |
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Answer» (A) A double glass lid covering the inner box |
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| 1584. |
Four important events given below may have led to the origin of life on the earth.I. Formation of amino acids and nucleotidesII. Availability of waterIII. Organization of CellsIV. Formation of complex molecules1. I, II, III and IV 2. II, I, IV and III 3. I, IV, II and III 4. II, III, I and IV |
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Answer» Correct option: 2. II, I, IV and III |
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| 1585. |
Value of acceleration due to gravity on earth is maximum at .............. (1) poles (2) equator (3) depth of 60 km below earth’s surface (4) height of 400 km above earth’s surface |
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Answer» Correct Option is (1) poles |
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| 1586. |
If the polynomial x3 + 2x2 - ax - 12 is divided by (x - 4) the remainder is 52. Find the value of 'a'.(1) 11 /2 (2) −5 (3) 8 (4) −8 |
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Answer» (3) 8 52 = (4)3 + 2(4)2 - 4α - 12 ⇒ 52 = 64 + 32 - 4α - 12 ⇒ 4α = 84 - 52 ⇒ α = 32/4 = 8 |
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| 1587. |
Match the followingCOLUMN – ICOLUMN – IIaMount Helens(i)JapanbMount Fuji(ii)Tanzaniac Mount Kilimanjaro(iii)Hawaii IslanddMauna Loa(iv)United States of America(A) (a) – (ii), (b) – (i), (c) – (iii), (d) – (iv) (B) (a) – (iii), (b) – (iv), (c) – (i), (d) – (ii) (C) (a) – (iv), (b) – (i), (c) – (ii), (d) – (iii) (D) (a) – (iv), (b) – (i), (c) – (iii), (d) – (ii) |
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Answer» (C) (a) – (iv), (b) – (i), (c) – (ii), (d) – (iii) mt. Helens – USA @mt.kilimanjaro - Tanzania @ mt.Fuji – Japan @ mauna Loa – Hawai |
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| 1588. |
The name Gaja (Cyclone) was named by _______ (A) Bangladesh (B) Sri Lanka (C) Packistan (D) Oman |
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Answer» (B) Sri Lanka Gaja was named by Sri lanka its originated their – in 2018. |
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| 1589. |
______ is the most common but powerful means of communication (A) Internet (B) Social Media (C) Print Media (D) Television |
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Answer» (C) Print Media Print media which is cheap and easy Accessible and powerful |
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| 1590. |
How much heat energy in Joules is necessary to raise the temperature of 5 kg of water from 20° to 100° ? (1) 1672 KJ (2) 167200 J (3) 16720 J (4) 1672 J |
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Answer» Correct Option is (1) 1672 KJ |
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| 1591. |
In which of the following is not our neighbor country? (A) Nepal (B) Bhutan (C) Iran (D) Srilanka |
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Answer» Correct option is (C) Iran |
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| 1592. |
Which is the highest position in the Indian Army? (A) Field Marshall (B) Admiral (C) Air Chief Marshall (D) Lt. General |
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Answer» (A) Field Marshall |
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| 1593. |
Which is the state of India that has the largest area? (A) Uttar Pradesh (B) Maharashtra (C) Rajasthan (D) Madhya Pradesh |
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Answer» Correct option is (C) Rajasthan |
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| 1594. |
What amount of the nation income of India is obtained from agriculture? (A) 65% (B) 26% (C) 62% (D) 22% |
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Answer» Correct option is (B) 26% |
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| 1595. |
Who was the first speaker of the Lok Sabha in India? (A) Neelam Sanjeev Reddy (B) Mirakumari (C) Ganesh Vasudev Mavlankar (D) Sumitra Mahajan |
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Answer» Correct option is (B) Mirakumari |
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| 1596. |
Of which religion is the ‘Tripitika’ the Holy Book belongs? (A) Jain (B) Hindu (C) Buddha (D) Islam |
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Answer» Correct option is (C) Buddha |
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| 1597. |
Which is not a component of stele? (A) Pith (B) Pericycle (C) Cambium (D) Vascular tissue |
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Answer» (C) Cambium Cambium is the component of ground tissue. |
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| 1598. |
Choose the incorrect statement. (A) Epithelium helps in absorption of nutrients. (B) Epithelium allows the normal movement. (C) Epithelium helps in elimination of waste products. (D) Epithelium secrets chemical substances. |
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Answer» (B) Epithelium allows the normal movement. Epithelium is involved in exchange of gases, excretion and absorption and secretion of chemicals but doesn’t allow free movement. |
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| 1599. |
Marine fish when placed in tap water bursts because of (a) Endosmosis (b) Exomosis (c) Diffusion (d) Plasmolysis |
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Answer» (a) Endosmosis |
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| 1600. |
The cells once dead and that cannot be replaced in lifetime (A) Skin cell (B) Liver cell (C) Red blood cell (D) Eye lens |
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Answer» (D) Eye lens Skin, liver cells have regenerative capacity and RBC are replaced for every 120 days. Eye lens cells do not regenerate. |
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