| 101. | (a)State Le Chatelier’s principle?\n(b) At constant temperature, the equilibrium constantK.... | 0 | |
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| 102. | Which one is a wrong statement?.... | 0 | |
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| 103. | The male gamete in sexual reproduction of bryophytes is called as _______..... | 0 | |
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| 104. | Choose the correct option for the following statements.\nStatement I: Based on the observations .... | 0 | |
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| 105. | A conjoint and open vascular bundle will be observed in the transverse section of;.... | 0 | |
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| 106. | Non-motile male gametes of gymnosperms are carried towards archegonia by;.... | 0 | |
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| 107. | Primary effluent in STP (Sewage treatment plant) obtained as a result of primary treatment is ad.... | 0 | |
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| 108. | Given below are the names of some plants:\nGuava, Cucumber, Peach, Rose, Plum, Brinjal, China ro.... | 0 | |
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| 109. | Solve the differential equation \\(\\left(e^x+1\\right) y d y=e^x(y+1) d x\\)..... | 0 | |
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| 110. | Give reasons for the following :\nAlthough amino group is \\(o\\) - and \\(p\\)-directing in aro.... | 1 | |
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| 111. | A plane polarized blue light ray is incident on a prism such that there is no reflection from th.... | 0 | |
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| 112. | RNA interference (RNAi) holds great potential as a therapeutic agent for the treatment of human .... | 0 | |
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| 113. | If \\(\\mathrm{f}(x)=\\frac{4 x+3}{6 x-4}, x \\neq \\frac{2}{3}\\), then show that (fof) \.... | 0 | |
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| 114. | Why is physisorption reversible whereas chemisorption is irreversible?.... | 0 | |
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| 115. | If E.coli containing 15N-15N DNA was allowed to grow for 80 minutes in medium containing 14N the.... | 0 | |
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| 116. | The sugar found in ribonucleic acid is;.... | 0 | |
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| 117. | The given diagram shows the skulls of two different mammals.\n\nWhich of the following correctly.... | 0 | |
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| 118. | In meiosis, crossing over is initiated at;.... | 0 | |
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| 119. | Which of the following is the characteristic feature of ascomycetes?.... | 0 | |
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| 120. | For ribosomes Svedberg's unit is;.... | 0 | |
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| 121. | Two parallel beams of light P and Q (separation d) containing radiations of wavelengths4000 .... | 0 | |
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| 122. | Find:\\[\\int_0^\\pi \\frac{x \\sin x}{\\left(1+\\cos ^2 x\\right)} d x\\].... | 0 | |
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| 123. | Which of the following has the maximum number of unpaired electrons?.... | 0 | |
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| 124. | State and explain the law used to determine magnetic field at a point due to a current element. .... | 1 | |
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| 125. | Draw the circuit arrangement for studying the V-I characteristics of a p-n junction diode in rev.... | 1 | |
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| 126. | Which of the following will liberate O2 upon hydrolysis? .... | 0 | |
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| 127. | Match the column-I with column-II.\n\n\n\n\nColumn-I\n(Compound)\n\n\nColumn-II\n(Number of pi e.... | 0 | |
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| 128. | The given reaction is an example of :\nC2H5Br+KCN(aq.)rarr;C2H5CN+KBr.... | 0 | |
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| 129. | Cannizzarorsquo;s reaction is not given by;.... | 0 | |
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| 130. | Which of the following reactions belong to aromatic electrophilic substitution?I. Bromination of.... | 0 | |
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| 131. | All of the following are examples of lyophobic sols, except;.... | 0 | |
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| 132. | Benzene can be nitrated by;.... | 0 | |
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| 133. | Write the chemical equation involved in the following reactions :Carbylamine reaction.... | 0 | |
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| 134. | Racemisation occurs in .... | 0 | |
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| 135. | Write the hybridisation and magnetic character of the following complexes :\\(\\quad\\left[\\mat.... | 1 | |
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| 136. | The magnetic dipole moment of a current carrying coil does not depend upon:.... | 0 | |
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| 137. | With the help of the circuit diagram, explain the working of a diode as a half-wave rectifier..... | 1 | |
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| 138. | Give reasons :(i) o-nitrophenol has lower boiling point than p-nitrophenol..... | 1 | |
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| 139. | Resonance effect involves:.... | 0 | |
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| 140. | If the concentration of \\( \\mathrm{OH}^{-} \\)ions in the reaction, \\( \\mathrm{Fe}(\\mathrm{.... | 0 | |
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| 141. | Which of the following in the strongest ndash;I group?.... | 0 | |
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| 142. | Assertion: When inductive and electromeric effects operate in opposite directions, the inductive.... | 0 | |
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| 143. | The hybridization of Ni in [Ni(CO)4] is ;.... | 0 | |
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| 144. | Product will be:.... | 0 | |
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| 145. | What will be the potential difference in the circuit when direct current is passed through the c.... | 0 | |
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| 146. | Torque acting on an electric dipole placed in an electric field is maximum when the angle betwee.... | 0 | |
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| 147. | The pair of isochoric processes among the transformation of states is.... | 0 | |
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| 148. | (i) Two independent monochromatic sources of light cannot constitute coherent sources. Explain.\.... | 0 | |
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| 149. | Explain the concept of \"co-extinction\" by taking two examples..... | 0 | |
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| 150. | A germanium crystal is doped with antimony. With the help of energy-band diagram, explain how th.... | 0 | |
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| 151. | Consider the following statements.\nStatement-I : The order of a reaction can have fractional va.... | 0 | |
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| 152. | Which ether cannot be prepared by Williamson synthesis :.... | 0 | |
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| 153. | Choose the correct order of bond strength by overlapping of atomic orbitals:.... | 0 | |
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| 154. | Which one of the following statements is incorrect in relation to ionisation enthalpy?.... | 0 | |
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| 155. | The correct order of radii is;.... | 0 | |
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| 156. | The bond lengths and bond angles in the molecules of methane, ammonia and water are given below:.... | 0 | |
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| 157. | Libermannrsquo;s Nitrosoamine test is given by:.... | 0 | |
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| 158. | Which of the following molecules has the maximum dipole moment?.... | 0 | |
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| 159. | Assertion- Identification of cathode and anode is done with the help of thermometer.\nReason- Hi.... | 0 | |
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| 160. | Which of the following is correct IUPAC name ?.... | 0 | |
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| 161. | Which of the following is correct representation for carbonyl compounds?.... | 0 | |
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| 162. | Which of the following has the maximum number of unpaired electrons?.... | 0 | |
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| 163. | Write the mathematical form of Ampere-Maxwell circuital law..... | 0 | |
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| 164. | A particle of mass \\(m\\) and charge \\(q\\) moving with a uniform velocity \\(\\vec{v}=v_{0 x}.... | 0 | |
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| 165. | Solve the following differential equation :\\[\\left(y+3 x^2\\right) \\frac{d x}{d y}=x\\].... | 0 | |
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| 166. | Name the electromagnetic waves which are(i) produced during decay of a nucleus,(ii) also known a.... | 0 | |
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| 167. | The principal value of \\(\\cos ^{-1}\\left(-\\frac{1}{2}\\right)\\) is.... | 0 | |
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| 168. | If the net electric flux through a closed surface is zero, then we can infer 1.... | 0 | |
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| 169. | The measurement of the electron position is associated with an uncertainty in momentum, which is.... | 0 | |
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| 170. | According to Bohr theory, the angular momentum of electron in 5th orbit is;.... | 0 | |
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| 171. | In which of the following pairs, both properties are intensive?.... | 0 | |
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| 172. | Which one is most reactive towards electrophilic reagent?.... | 0 | |
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| 173. | Correct fisher projection formula of given compound is-\n.... | 0 | |
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| 174. | It takes 20 minutes for the concentration of a radioactive species to decay to its 1/4th value o.... | 0 | |
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| 175. | The metal rod M is.... | 0 | |
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| 176. | In the following sequence, product I, J, L are formed , K represents a reagent\n(i) Mg/ether\n\n.... | 0 | |
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| 177. | In a diffraction pattern due to a single slit, how will the angular width of central maxim.... | 0 | |
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| 178. | Read the following questions and answer as per the direction given below:\nStatement-I: Sulphate.... | 0 | |
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| 179. | Th90234 disintegrates to give  Pb82206 as the final product. How many alpha and beta partic.... | 0 | |
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| 180. | (a) How will you distinguish between the following pairs of compounds :\n(i) Aniline and Ethanam.... | 0 | |
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| 181. | Match the following:\n\n\n\n\nColumn ndash; I\n(Underline Compound)\n\n\nColumn ndash; II\n(Equi.... | 0 | |
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| 182. | Select the diseases that can be treated by using antibiotics.\n(i) Plague\n(ii) Whooping cough (.... | 0 | |
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| 183. | A. Out of all the species recorded, 60 percent are animals and 40 percent are plants.\nB. Out of.... | 0 | |
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| 184. | A first order reaction takes 40 min for 30% decomposition. Calculate t1/2.... | 1 | |
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| 185. | Which of the following alkanes has 75% of carbon?.... | 0 | |
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| 186. | (∆H - ∆U) for the formation of carbon monoxide (CO) from its element at 298 K is: (R = 8.314 J K.... | 0 | |
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| 187. | The mass of a ball is \\(0.5 \\mathrm{~kg}\\). It is totally converted into energy. Calculate th.... | 0 | |
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| 188. | Biological control methods are adopted from which of the following population interactions?.... | 0 | |
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| 189. | Write the relations (i) between the speed of light and the amplitudes of electric and magnetic f.... | 0 | |
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| 190. | Draw a schematic diagram of lac operon in absence of inducer in the culture medium of the bacter.... | 0 | |
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| 191. | An electron in hydrogen atom jumps from state n = 3 to n = 1. The change in the angular momentum.... | 0 | |
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| 192. | The minimum energy required to free the electron from the ground state of the hydrogen atom in B.... | 0 | |
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| 193. | Dead plant remains such as leaves, bark, flowers and dead remains of animals, including faecal m.... | 0 | |
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| 194. | The energy which is required for life processes is obtained by:.... | 0 | |
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| 195. | Which of the following enzyme is most abundant on the earth?.... | 0 | |
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| 196. | 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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| 197. | The dough, which is used for making bread, is fermented by using;.... | 0 | |
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| 198. | Which of the following is most suitable oraganism forA in the given food chain?\nPlant rarr; Ins.... | 0 | |
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| 199. | A plane polarized blue light ray is incident on a prism such that there is no reflection from th.... | 0 | |
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| 200. | A plane polarized blue light ray is incident on a prism such that there is no reflection from th.... | 1 | |
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