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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.
| 151. |
An organic compound (X) on treatment with acidified K2Cr2O7 gives a compound (Y) which reacts with I2 and sodium carbonate to form tri-iodomethane. The compound (X) is –(1) CH3OH (2) CH3 − \(\overset{O}{\overset{||}C}\) − CH3 (3) CH3CHO (4) CH3 - \(\underset{OH}{\underset{|}{CH}}\) CH3 |
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Answer» Correct option is (4) CH3 - \(\underset{OH}{\underset{|}{CH}}\) CH3 |
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| 152. |
Which is weak acid? (A) Oxalic acid (B) Hydrochloric acid (C) Nitric acid (D) Salphuric acid |
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Answer» (A) Oxalic acid |
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| 153. |
Which of the following methods is used to obtain chlorine and hydrogen from sodium chloride? (A) Electrolysis (B) Thermal heating (C) Evaporation (D) Electroplating |
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Answer» (A) Electrolysis Electrolysis is used to find H2 & Cl2 by electrolysis of aq NaCl |
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| 154. |
Which of the following indicators is not an acid- base indicator ? (A) Phenolphthalein (B) Vanilla (C) Litmus (D) Methyl orange |
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Answer» (B) Vanilla Not an acid base indicator = Vanilla. |
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| 155. |
Formula of Bleaching powder (A) CaSO4 (B) Na2CO3 (C) NaHCO3 (D) CaOCl2 |
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Answer» Correct option is (D) CaOCl2 |
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| 156. |
Select the mineral acid from the following (A) Acetic Acid (B) Citric acid (C) Hydrochloric acid (D) Lactic acid |
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Answer» (C) Hydrochloric acid Mineral acid = HCl |
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| 157. |
Which one of the following is not an organic acid? (A) Citric acid (B) Formic acid (C) Carbonic acid (D) Carboxylic acid |
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Answer» (C) Carbonic acid Carbonic acid (H2CO3) is an inorganic acid , rest are organic acids |
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| 158. |
Match the following: (i) Ant sting(A) Oxalic acid(ii) Tomato(B) Latic acid(iii) Tamarind(C) Methanoic acid(iv) Sour Milk (Curd)(D) Tartaric acid(A) (i)-C, (ii)-A, (iii)-B, (iv)-D (B) (i)-C, (ii)-A, (iii)-D, (iv)-B (C) (i)-A, (ii)-C, (iii)-D, (iv)-B (D) (i)-A, (ii)-C, (iii)-B, (iv)-D |
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Answer» (B) (i)-C, (ii)-A, (iii)-D, (iv)-B |
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| 159. |
What is the common name of compound CaOCl2 ?(A) Quick lime (B) Bleaching powder (C) Slaked lime (D) Baking powder |
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Answer» (C) Slaked lime Bleaching powder |
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| 160. |
Which acid is present in tomato? (A) Citric Acid (B) Acetic Acid (C) Oxalic Acid (D) Tartaric Acid |
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Answer» Correct option is (C) Oxalic Acid Tartaric acid |
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| 161. |
Our teeth enamel is made up of______ (A) Ca3(PO4)2 (B) Ca2(PO4)3 (C) Mg(OH)2 (D) CaPO4 |
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Answer» Correct option is (C) Mg(OH)2 |
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| 162. |
According to IUPAC rule, which of the following compound is prop — I — ene. (A) CH3- CH2- CH3 (B) CH3- CH = CH2 (C) CH3- CH = CH - CH3 (D) CH3- C = CH |
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Answer» (B) CH3- CH = CH2 option b, as Carbon element had to bond with 4 atoms
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| 163. |
Find the composition of stainless steel 1) Fe, Cr, Ni 2) Fe, C, Ni 3) Fe, Ni, Cu 4) Fe, Cr, Cu |
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Answer» 1) Fe, Cr, Ni Stainless steel is iron – chromium – nickel alloy with small amounts of carbon |
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| 164. |
Stainless steel alloy is a mixture of (A) Fe + C + Cr + Ni (B) Ni + C + Cr + Al (C) Fe + Cu + Al + c (D) Fe + Zn + C + Ni |
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Answer» (A) Fe + C + Cr + Ni Stainless steel is a mixture of Iron, Nickel, Chromium and Carbon. |
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| 165. |
Which of the following elements will form an acidic oxide (A) An element with atomic number 7 (B) An element with atomic number 3 (C) An element with atomic number 12 (D) An element with atomic number 19 |
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Answer» (A) An element with atomic number 7 |
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| 166. |
Bromine reacts with saturated hydrocarbon at room temperature in the (1) Absence of Sum light (2) Presence of Water (3) Presence of Sun light (4) Presence of Hydrochloric Acid |
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Answer» (3) Presence of Sun light |
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| 167. |
The mean temperature of Monday to Wednesday was 37°C and of Tuesday to Thursday was 34°C. If the temperature on Thursday was 4/5 that of Monday. Then the temperature of Thursday was: (A) 35.5° C (B) 34° C (C) 36.5° C (D) 36° C |
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Answer» Correct option is (D) 36° C |
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| 168. |
Copper sulphate can be safely kept in a container made up of (1) Aluminum (2) Lead (3) Silver (4) Zinc |
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Answer» Correct option is (3) Silver |
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| 169. |
Which is the chemical formula of red oxide? (1) Fe2O3(2) FeO3(3) FeO(4) FeO2 |
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Answer» Correct option is: (1) Fe2O3 |
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| 170. |
Which block elements are called transition elements? (1) S – block (2) P – block (3) D – block (4) F – block |
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Answer» Correct option is: (3) D – block |
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| 171. |
What is the percentage of AI2O3 is Bauxite?(1) 30% to 70% (2) 35% to 70% (3) 30% to 75% (4) 70% to 75% |
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Answer» Correct option is: (4) 70% to 75% Bauxite formula - Al2O3 2H2O % of Al2 O3 in Bauxite = \(\frac{102}{138}\times100= 73.91\) |
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| 172. |
What is chemical formula of rust on Iron? (1) Fe2O3 (2) Fe2O3 H2O(3) FeO (4) FeO2 |
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Answer» (2) Fe2 O3 H2 O |
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| 173. |
What is chemical formula of rust on Iron? (1) Fe2O3(2) Fe2O3H2O(3) FeO (4) FeO2 |
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Answer» Correct option is: (2) Fe2O3H2O |
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| 174. |
The flower which contains both stamens and carpels they are called bisexual flowers which of the following flower pair is bisexual? (1) papaya, watermelon (2) hibiscus, mustard (3) cucumber, maize (4) muskmelon, pumpkin |
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Answer» (2) hibiscus, mustard Hibiscus and mustard are bisexual flowers. |
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| 175. |
An overhead power transmission line carries a current from east to east directs as then magnetic field at a point 1. 5 cm north of the line is in (1) North direction (2) South direction (3) Vertically upward (4) Vertically downward |
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Answer» (4) Vertically downward |
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| 176. |
An electric bulb marked 40W – 220V is connected with an electric supply of 110v. Its electric power is (1) 100W (2) 40W (3) 20W (4) 10W |
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Answer» Correct option is (4) 10W p = \(\frac{V^2}{R}=\frac{110\times110}{220\times220}\times40\) = 10 w |
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| 177. |
Match the item in coloum-I with those in coloum-II and select the correct choice.Column IColumn IIA. Food Chain1. ElephantB. Food Web2. JackalC. Herbivore3. Series of organism feeding on one anotherD. Carnivore4. Inter linked food chain(1) A- 3 B-4 C-1 D-2 (2) A-2 B-1 C-3 D-4 (3) A-1 B-2 C-3 D-4 (4) A-4 B-3 C-2 D-1 |
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Answer» (1) A- 3 B-4 C-1 D-2 |
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| 178. |
Stock and Scion are attached, which type of characters will come into the offspring? (A) Characters of Scion (B) Characters of Stock (C) Special desired characters (D) Cannot expect |
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Answer» (A) Characters of Scion |
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| 179. |
The part of the human body which is called as Second Brain, is (A) Small intestine (B) Large intestine (C) Stomach (D) Mouth |
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Answer» Correct option is (C) Stomach |
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| 180. |
In the given figure, various tropic levels are shown in a pyramid. At which tropic level is maximum energy available?(A) T4 (B) T2 (C) T1 (D) T3 |
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Answer» Correct option is (C) T1 |
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| 181. |
Which is the key intermediate compound linking glycolysis to Kreb’s cycle? (A) Mallic acid (B) Acetyl – CoA (C) Pyruvic acid (D) Citric acid |
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Answer» (C) Pyruvic acid |
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| 182. |
If Physics = 106 Then Biology = ? (1) 90 (2) 92 (3) 82 (4) 87 |
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Answer» Correct option is (2) 92 |
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| 183. |
The diagram and the numbers/letters follow certain principle. Select the missing number/ letter indicated by question mark? 6, 7, 10, 8, 16, 15, 26, 23, 42, 38, 68, ___? (A) 61 (B) 80 (C) 106 (D) 120 |
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Answer» (A) 61 Sol: 6, 10, 16, 26, 42 68 7 8 15 23 38 7 + 8 = 15 8 + 15 = 23 15 + 23 = 38 23 + 38 = 61 |
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| 184. |
Complete the given letter/word analogy by choosing the correct answer from the four alternates given below:337,221,121, ? ,25,7 (1) 41 (2) 61 (3) 75 (4) 81 |
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Answer» Correct answer is (2) 61 |
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| 185. |
If MY = 16, SUN = 27 then HOTEL will be equal to: 1. 60 2. 75 3. 77 4. 80 |
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Answer» 2. 75 MY = 16 SUN = 27 Adding positions from back , we get the number HOTEL = 19 + 12 + 7 + 22 + 15 = 75 |
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| 186. |
There is a series provided to you where a gap is left. Analyze the series and fill the gap.210, 209, 213, 186, 202,______ (1) 77 (2) 177 (3) 138 (4) 200 |
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Answer» Correct option is (1) 77 |
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| 187. |
Identify the wrong statement in the following: (A) Sodium benzoate is used as food preservative. (B) Sulphuric acids is called as the ‘King of Chemicals’. (C) The pH of acid is equal to 7. (D) Curd contains Iactic acid. |
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Answer» (C) The pH of acid is equal to 7. pH of the acid is less than 7 |
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| 188. |
Tropic of cancer passes through ________________sate. (A) Mizoram (B) Bihar (C) U.P (D) Nagaland |
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Answer» Correct option is (A) Mizoram |
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| 189. |
Tropic of Cancer passes through State (1) Bihar (2) Uttar Pradesh (3) Mizoram (4) Nagaland |
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Answer» Correct option is (3) Mizoram |
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| 190. |
Who was the chairman of the drafting committee of Indian Constituent Assembly? (1) Dr. Rajendra Prasad (2) Dr. B.R. Verma (3) Dr. B.R. Menon (4) Dr. B.R. Ambedkar |
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Answer» (4) Dr. B.R. Ambedkar |
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| 191. |
The larger occurrence of minerals of igneous and metamorphic rocks are called (1) Veins (2) Loads (3) Layers (4) Beds |
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Answer» Correct option is (2) Loads |
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| 192. |
Match column I with column II and select the correct answer using the codes given below the columns.Column – IColumn – IIA. Bolsheviks1. MussoliniB. Mensheviks2. HitlerC. Nazism3. LeninD. Fascism4. Kerensky1) A – 1, B – 2, C – 3, D – 4 2) A – 3, B – 4, C – 2, D -1 3) A – 4, B – 3, C – 2, D – 1 4) A – 2, B – 4, C – 3, D – 1 |
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Answer» 2) A – 3, B – 4, C – 2, D -1 |
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| 193. |
Match column I with column II and select the correct answer using the codes given below the columns.Column – I Political partyColumn – II StateA. SAD1. Uttar PradeshB. DMK2. AssamC. AGP3. Tamil NaduD. BLD4. Punjab1) A – 1, B – 2, C – 3, D – 4 2) A – 4, B – 2, C – 3, D – 1 3) A – 4, B – 3, C – 2, D – 1 4) A – 1, B – 3, C – 2, D – 4 |
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Answer» 3) A – 4, B – 3, C – 2, D – 1 |
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| 194. |
Match column I with column II and select the correct answer using the codes given below the columnsColumn – IColumn – IIA. Spain1. MexicoB. Belgium2. CongoC. Portugal3. BrazilD. Britain4. Nigeria1) A – 4, B – 3, C – 2, D – 1 2) A – 3, B – 1, C – 2, D – 4 3) A – 1, B – 2, C – 3, D – 4 4) A – 2, B – 3, C – 1, D – 4 |
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Answer» 3) A – 1, B – 2, C – 3, D – 4 |
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| 195. |
The French were keen to develop Vietnam as an exporter of Rice. For this purpose they did not adopt this strategy, 1) Facilitating marketing of agricultural produce like rice & rubber 2) Improving irrigation network 3) Taken up of land reforms 4) Encouraging landlords |
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Answer» 3) Taken up of land reforms |
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| 196. |
In which famous battle were the French defeated ? (1) Nghe An (2) Dien Bien Phu (3) Ha Tinh (4) Phan Boi |
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Answer» Correct option is (2) Dien Bien Phu |
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| 197. |
Where was khilafat committee formed in March 1919? (1) Lucknow (2) Bombay (3) Lahore (4) Ajmer |
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Answer» Correct option is (2) Bombay |
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| 198. |
Find out the topic which is not in the state list. (1) Trade (2) Agriculture (3) Police (4) Communication |
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Answer» (4) Communication |
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| 199. |
Who set up the first Indian Jute mill in Calcutta in 1917? (1) Seth Hukum Chand (2) G.D. Birla (3) Dwaraka Nath Tagore (4) J.N. Tata |
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Answer» (1) Seth Hukum Chand |
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| 200. |
Which one of the following subject is of union list? (1) Police (2) Trade (3) Foreign Affairs (4) Commerce |
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Answer» (3) Foreign Affairs |
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