Welcome to Mathsqna.. Start quiz Class -11 Chemistry Structure of atoms 1 / 3 1.Splitting of spectral lines when atoms are subjected to strong electric field is called (a) Zeeman effect (d) Compton effect (b) Stark effect (c) Photoelectric effect (d) Compton effect 2 / 3 2. The velocity of photon is (a) independent of its wavelength (b) depends on its wavelength (c) equal to square of its amplitude (d) depends on its source 3 / 3 3. The nature of positive rays depend on (a) the nature of electrode (b) the nature of discharge tube (c) the nature of residual gas (d) all of the above Your score isThe average score is 0% 0% Restart quiz Quiz10 1 / 10 91 Given below are two statements: Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II: All organisms belonging to Reptilia have three chambered heart. In the light of the above statements, choose the most appropriate answer from the options given below: Statement I is incorrect but Statement II is correct Both Statement I and Statement II are correct Both Statement I and Statement II are incorrect Statement I is correct but Statement II is incorrect 2 / 10 92. How many turns of Calvin cycle are required for the formation of three molecules of glucose? 18 6 3 4 3 / 10 93. Photorespiration reaction catalyzed by RubisCO is shown below: RuBP + O2 → 3 – Phosphoglycerate- ‘X’ Identify “X” from the given options: 1) Malate Phosphoenolpyruvate 2-Phosphoglycolate Oxaloacetate 4 / 10 94. Given below are two statements Statement I: In gymnosperms, the male and female gametophytes remain within the Sporangia Statement II: In gymnosperms seeds are not covered. In the light of the above statements, choose the most appropriate answer from the options given below: Statement I is incorrect but Statement II is correct Both Statement I and Statement II are correct Both Statement I and Statement II are incorrect Statement I is correct but Statement II is incorrect 5 / 10 95. How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose 412 206 309 103 6 / 10 96. Match List – I with List – II List – I List – II A. Fusion of protoplasms between gametes I. Meiosis B. Fusion of two nuclei II. Plasmogamy C. Generation of haploid spores III. Karyogamy Choose the correct answer from the options given below: A – I, B – III, C – II A – II, B – III, C - III A – II, B – I, C – III A – III, B – II, C – I 7 / 10 97. Mitochondrial inner membrane encloses______. aqueous humor matrix cytosol mucus 8 / 10 98. Phyllotaxy is the pattern of arrangement of ______. sepals leaves flowers fruits 9 / 10 99. Mad cow disease is caused by _______. Mycoplasma sp. prions viroids Aspergillus sp 10 / 10 100. Cell theory was formulated by ______. Antonie Von Leeuwenhoek Schleiden and Schwann Robert Brown Singer and Nicolson Your score isThe average score is 0% 0% Restart quiz Post navigation Next PostBiology Re NEET exam 2026