General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part19 : 61 to 65

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

61.Which of the following elements are present in all proteins ? 1. Carbon 2. Hydrogen3. Oxygen 4. Nitrogen

2 and 3

1, 2 and 4

1, 3 and 4

1, 2, 3 and 4

62.What is the correct ascending order for frequencies of the following radiations ? 1. Visible 2. X-rays3. Ultraviolet 4. Radio waves

1, 3, 2, 4

3, 2, 4, 1

4, 1. 3, 2

4, 3, 1, 2

63.A moderator is used in nuclear reactor in order to :

increase the number of neutrons

decrease the number of neutrons

slow down the speed of neutrons

accelerate the neutrons

64.Which of the following statements about a regrigerator is/are correct ? 1. It converts electrical energy into heat energy 2. It converts electrical energy into mechanical energy. 3. It transfers heat from a high temperature to a low temperature. 4. 4. It transfers heat from a low temperature to a high temperature.

1 and 3

2 and 3

1 and 4

4 only

65.Healing of wounds is hastened by vitamin :