1. If the 3rd harmonic of a sound has a frequency of 2000 kHz, then the fundamental tone will be-
A. InfrasonicB. UltrasonicC. HypersonicD. Supersonic = 2000 3 kHz = 666.67 kHz
2. What is the molar ratio of alkaline ion and ion in their redox reaction? Cr2O2− 7 C2O2− 4
A. 1: 3B. 2: 3C. 3: 2D. 1: 5
3. Who painted The Last Supper?
A. MichelangeloB. Leonardo da VinciC. PicassoD. Claude Monet
4. Number of optically active isomer and meso-isomer of a compound having two similar asymmetrical carbons is respectively-
A. 2, 1B. 2, 2C. 3, 1D. 3, 2 2n−1 = 2 2 n−2 2 = 2 2−2 2 = 20 = 1
5. By which process do the lipid particles, called chylomicron enter the lacteal from the enterocytes?
A. ExocytosisB. EndocytosisC. PinocytosisD. Diffusion
6. What is produced in the reaction of propyl chloride and aqueous KOH?
A. PropanolB. PropeneC. PropanalD. Propyne