UPSC Preliminary Answer Key 2021:
General Studies Paper I (GS Paper -I):
GS Paper I Answer Key :
Answer Key GS-I 2021: (Booklet-A):
1. |
C |
51. |
B |
2. |
D |
52. |
B |
3. |
B |
53. |
A |
4. |
A |
54. |
D |
5. |
B |
55. |
B |
6. |
D |
56. |
B |
7. |
A |
57. |
A |
8. |
A |
58. |
C |
9. |
D |
59. |
D |
10. |
D |
60. |
D |
11. |
C |
61. |
C |
12. |
D |
62. |
B |
13. |
B |
63. |
B |
14. |
C |
64. |
B |
15. |
A |
65. |
A |
16. |
A |
66. |
A |
17. |
B |
67. |
B |
18. |
D |
68. |
A |
19. |
A |
69. |
A |
20. |
D |
70. |
B |
21. |
C |
71. |
A |
22. |
B |
72. |
C |
23. |
D |
73. |
D |
24. |
A |
74. |
B |
25. |
D |
75. |
D |
26. |
C |
76. |
D |
27. |
C |
77. |
A |
28. |
C |
78. |
C |
29. |
A |
79. |
C |
30. |
D |
80. |
B |
31. |
C |
81. |
C |
32. |
A |
82. |
B |
33. |
A |
83. |
B |
34. |
B |
84. |
D |
35. |
D |
85. |
A |
36. |
C |
86. |
A |
37. |
D |
87. |
A |
38. |
A |
88. |
C |
39. |
C |
89. |
A |
40. |
B |
90. |
D |
41. |
B |
91. |
B |
42. |
B |
92. |
B |
43. |
A |
93. |
B |
44. |
C |
94. |
D |
45. |
A |
95. |
D |
46. |
C |
96. |
C |
47. |
D |
97. |
D |
48. |
A |
98. |
C |
49. |
A |
99. |
B |
50. |
C |
100. |
D |
Answer Key GS-I 2021: (Booklet-B):
1. |
B |
51. |
B |
2. |
B |
52. |
B |
3. |
A |
53. |
B |
4. |
C |
54. |
D |
5. |
A |
55. |
D |
6. |
C |
56. |
D |
7. |
D |
57. |
D |
8. |
A |
58. |
C |
9. |
A |
59. |
B |
10. |
B |
60. |
D |
11. |
C |
61. |
C |
12. |
A |
62. |
B |
13. |
A |
63. |
B |
14. |
B |
64. |
D |
15. |
D |
65. |
A |
16. |
C |
66. |
A |
17. |
D |
67. |
B |
18. |
A |
68. |
C |
19. |
C |
69. |
A |
20. |
B |
70. |
D |
21. |
C |
71. |
C |
22. |
A |
72. |
B |
23. |
B |
73. |
C |
24. |
C |
74. |
B |
25. |
B |
75. |
C |
26. |
A |
76. |
B |
27. |
D |
77. |
B |
28. |
D |
78. |
A |
29. |
A |
79. |
A |
30. |
B |
80. |
B |
31. |
C |
81. |
B |
32. |
D |
82. |
B |
33. |
B |
83. |
D |
34. |
A |
84. |
D |
35. |
B |
85. |
A |
36. |
D |
86. |
B |
37. |
A |
87. |
A |
38. |
A |
88. |
A |
39. |
D |
89. |
D |
40. |
D |
90. |
D |
41. |
C |
91. |
A |
42. |
B |
92. |
C |
43. |
D |
93. |
D |
44. |
A |
94. |
B |
45. |
D |
95. |
D |
46. |
C |
96. |
D |
47. |
C |
97. |
A |
48. |
C |
98. |
D/C* |
49. |
A |
99. |
C |
50. |
D |
100. |
A |
Answer Key GS-I 2021: (Booklet-C):
1. |
B |
51. |
B |
2. |
B |
52. |
B |
3. |
B |
53. |
A |
4. |
D |
54. |
C |
5. |
D |
55. |
A |
6. |
C |
56. |
C |
7. |
D |
57. |
D |
8. |
A |
58. |
A |
9. |
B |
59. |
A |
10. |
D |
60. |
C |
11. |
C |
61. |
C |
12. |
B |
62. |
A |
13. |
B |
63. |
A |
14. |
D |
64. |
B |
15. |
A |
65. |
D |
16. |
A |
66. |
C |
17. |
A |
67. |
D |
18. |
C |
68. |
A |
19. |
A |
69. |
C |
20. |
D |
70. |
B |
21. |
A |
71. |
C |
22. |
C |
72. |
B |
23. |
D |
73. |
D |
24. |
B |
74. |
A |
25. |
D |
75. |
D |
26. |
D |
76. |
C |
27. |
A |
77. |
C |
28. |
C |
78. |
C |
29. |
C |
79. |
A |
30. |
B |
80. |
D |
31. |
C |
81. |
C |
32. |
B |
82. |
D |
33. |
B |
83. |
B |
34. |
B |
84. |
C |
35. |
A |
85. |
A |
36. |
A |
86. |
A |
37. |
B |
87. |
B |
38. |
A |
88. |
D |
39. |
A |
89. |
A |
40. |
B |
90. |
D |
41. |
B |
91. |
C |
42. |
B |
92. |
D |
43. |
A |
93. |
B |
44. |
D |
94. |
A |
45. |
B |
95. |
B |
46. |
B |
96. |
D |
47. |
A |
97. |
A |
48. |
C |
98. |
A |
49. |
D |
99. |
D |
50. |
D |
100. |
D |
Answer Key GS-I 2021: (Booklet-D):
1. |
A |
51. |
C |
2. |
C |
52. |
D |
3. |
D |
53. |
B |
4. |
B |
54. |
A |
5. |
D |
55. |
B |
6. |
D |
56. |
D |
7. |
A |
57. |
A |
8. |
C |
58. |
A |
9. |
C |
59. |
D |
10. |
B |
60. |
D |
11. |
C |
61. |
C |
12. |
B |
62. |
B |
13. |
B |
63. |
D |
14. |
B |
64. |
A |
15. |
A |
65. |
D |
16. |
A |
66. |
C |
17. |
B |
67. |
C |
18. |
A |
68. |
C |
19. |
A |
69. |
A |
20. |
B |
70. |
D |
21. |
C |
71. |
C |
22. |
B |
72. |
D |
23. |
B |
73. |
B |
24. |
D |
74. |
C |
25. |
A |
75. |
A |
26. |
A |
76. |
A |
27. |
A |
77. |
B |
28. |
C |
78. |
D |
29. |
A |
79. |
A |
30. |
D |
80. |
D |
31. |
B |
81. |
B |
32. |
B |
82. |
B |
33. |
A |
83. |
A |
34. |
D |
84. |
C |
35. |
B |
85. |
A |
36. |
B |
86. |
C |
37. |
A |
87. |
D |
38. |
C |
88. |
A |
39. |
D |
89. |
A |
40. |
D |
90. |
C |
41. |
B |
91. |
C |
42. |
B |
92. |
A |
43. |
B |
93. |
A |
44. |
D |
94. |
B |
45. |
D |
95. |
D |
46. |
C |
96. |
C |
47. |
D |
97. |
D |
48. |
C |
98. |
A |
49. |
B |
99. |
C |
50. |
D |
100. |
B |