Daily Archives: February 24, 2015


Prelims MCQs Quiz 18 : Science

1. Bluetooth and Wi-Fi are two standards for wireless communication. With respect to the difference between the two, which of the following is/are correct? 1. Bluetooth is more secure than Wi-Fi. 2. While Bluetooth works at 2.45 GHz Wi-Fi works at 1.8 GHz. 3. Bluetooth consumes less power than Wi-Fi. Select the correct answer using the codes given below. a) 1 and 2 only b) 1 and 3 only c) 2 and 3 only d) 3 only 2. With reference to induced pluripotent stem cells… Continue Reading »