NACTECH sample paper key

This is a tentative key for the NACTECH sample paper which was posted earlier on the blog.....please refer the answers and correct if necessary.....all suggestions are welcome...
1-B
2-B
3-B
4-B
5-A
6-C
7-B
8-C
9-D
10-A
11-B
12-B
13-B
14-D
15-A
16-B
17-D
18-B
19-B
20-D
21-A
22-A
23-D
24-B
25-B
26-A
27-D
28-A
29-A
30-D
31-D
32-A
33-A
34-C
35-C
36-
37-D
38-D
39-D
40-
41-A
42-A
43-C
44-D
45-A
46-A
47-B
48-B
49-
50-
51-D
52-B
53-B
54-D
55-B
56-B
57-A
58-A
59-A
60-A
61-D
62-A
63-A
64-B
65-D
66-C
67-B
68-A
69-B
70-D
71-D
72-B
73-D
74-C
75-C
76-A
77-D
78-D
79-A
80-B
81-C
82-A
83-B
84-B
85-A
86-C
87-B
88-B
89-
90-B
91-D
92-C
93-
94-C
95-D
96-
97-
98-
99-
100-
101-A
102-D
103-C
104-D
105-B
106-D
107-D
108-B
109-A
110-A

91-100 are theory questions and their answers are quite confusing....pls. comment on them.....
All the best