As you asking for the Answer key of the CSIR UGC Net June Examination of the Subject Earth Science the Answer key is given below

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

Answer key of the CSIR UGC Net June Examination of the Subject Earth Science