HSSC Ophthalmic Assistant (31-12-2023)

Total Questions: 100

51. The _______ is defined as the distance between two symmetrical parts of the wave motion.

Correct Answer: (a) Wavelength

52. _______ are the ganglionic cells in ganglionic cell layer of retina.

Correct Answer: (c) Second order neurons

53. A Cathode Ray Tube (CRT) monitor contains a _______ which is a fine mesh made of metal, fitted to the shape and size of the screen.

Correct Answer: (d) Shadow mask

54. _______ is a circular, pink coloured disc of 1.5 mm diameter.

Correct Answer: (b) The optic disc

55. When the refraction of the two eyes is different, the condition is known as :

Correct Answer: (a) Anisometropia

56. The number of ways in which 5 girls and 3 boys can be seated in a row so that no two boys are together is :

Correct Answer: (d) 14,400

57. _______ is a condition of loss of half the field of vision of both eyes.

Correct Answer: (a) Hemianopia

58. _______ is defined as the change in direction of light when it passes from one transparent medium into another of different optical density. The incident ray, the refracted ray and the normal all lie in the same plane.

Correct Answer: (b) Refraction

59. A _______ is an interconnection of autonomous computers for the purpose of communication and data sharing.

Correct Answer: (d) Computer Network

60. _______ have threshold for light stimulus.

Correct Answer: (b) Cones