1
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following acids is predominantly found in tomatoes?
A
Acetic acid
B
Tartaric acid
C
Oxalic acid
D
Lactic acid
2
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following conclusions could not be derived from Rutherford's α-particle scattering experiment? 
A
Most of the space in the atom is empty
B
The radius of the atom is about 105 times the radius of the nucleus
C
Electrons move in a circular path of fixed energy called orbits
D
Nearby all the mass of the atom resides in the nucleus
3
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH)2) is an example of
A
Displacement reaction
B
Endothermic reaction
C
Decomposition reaction
D
Exothermic reaction
4
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Twinkling of stars is due to
A
Particular frequencies of the starlight
B
reflection of starlight from the oceanic surface
C
atmospheric refraction of starlight
D
magnetic field of Earth
EXAM MAP