General Ability (Part-2) NDA/NA Solved Paper 2020-I

Total Questions: 100

81. The part of the human eye on which the image is formed is

Correct Answer: (c) retina

82. Consider the following image:

A proton enters a magnetic field at right angles to it, as shown above. The direction of force acting on the proton will be

Correct Answer: (d) into the page

83. Which one of the following statements about sound is NOT correct?

Correct Answer: (b) Sound waves are transverse waves

84. When the short circuit condition occurs, the current in the circuit

Correct Answer: (c) increases substantially

85. Which one ofthe following is NOT a component ofhuman male reproductive system?

Correct Answer: (a) Cervix

86. Which one ofthe following is NOT a reason of decrease in biodiversity?

Correct Answer: (c) Maintaining sacred groves

87. Which one ofthe following is NOT a cause of depletion in groundwater?

Correct Answer: (a) Afforestation

88. Which one of the following types of radiations has the smallest wavelength?

Correct Answer: (d) X-rays

89. The instrument used for detecting the presence of electric current in a circuit is

Correct Answer: (b) Galvanometer

90. Which one ofthe following is the largest composition in biogas?

Correct Answer: (b) Methane