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 Page 1


 
JHARKHAND STATE NTSE STAGE 1 2019-20 
 
 
Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans 
1 
(B) 
16 (B) 31 (D) 46 
(B) 
61 
(A) 
76 
(C) 
91 
(B) 
2 
(C) 
17 (A) 32 (D) 47 
(A) 
62 
(D) 
77 
(A) 
92 
(D) 
3 
(C) 
18 (D) 33 (C) 48 
(C) 
63 
(B) 
78 
(D) 
93 
(B) 
4 
(C) 
19 (C) 34 (D) 49 
(B) 
64 
(A) 
79 
(B) 
94 
(D) 
5 
(A) 
20 (B)  35 (D) 50 
(D) 
65 
(C) 
80 
(C) 
95 
(B) 
6 
(C) 
21 (B)   36 (D) 51 
(A) 
66 
(A) 
81 
(D) 
96 
(A) 
7 
(B) 
22 (D) 37 (C) 52 
(D) 
67 
(C) 
82 
(A) 
97 
(C) 
8 
(A) 
23 (A)  38 (A) 53 
(B) 
68 
(B) 
83 
(B) 
98 
(D) 
9 
(A) 
24 (C) 39 (C) 54 
(A) 
69 
(B) 
84 
(D) 
99 
(A) 
10 
(C) 
25 (A)  40 (D) 55 
(D) 
70 
(D) 
85 
(B) 
100 
(C) 
11 
(C) 
26 (A) 41 
(A) 
56 
(C) 
71 
(A) 
86 
(D) 
  
12 
(A) 
27 (A) 42 
(C) 
57 
(B) 
72 
(C) 
87 
(D) 
  
13 
(A) 
28 (C) 43 
(A) 
58 
(B) 
73 
(D) 
88 
(B) 
  
14 (D)  29 (C) 44 
(C) 
59 
(C) 
74 
(A) 
89 
(A) 
  
15 (C) 30 (A) 45 
(B) 
60 
(C) 
75 
(A) 
90 
(B) 
  
Page 2


 
JHARKHAND STATE NTSE STAGE 1 2019-20 
 
 
Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans 
1 
(B) 
16 (B) 31 (D) 46 
(B) 
61 
(A) 
76 
(C) 
91 
(B) 
2 
(C) 
17 (A) 32 (D) 47 
(A) 
62 
(D) 
77 
(A) 
92 
(D) 
3 
(C) 
18 (D) 33 (C) 48 
(C) 
63 
(B) 
78 
(D) 
93 
(B) 
4 
(C) 
19 (C) 34 (D) 49 
(B) 
64 
(A) 
79 
(B) 
94 
(D) 
5 
(A) 
20 (B)  35 (D) 50 
(D) 
65 
(C) 
80 
(C) 
95 
(B) 
6 
(C) 
21 (B)   36 (D) 51 
(A) 
66 
(A) 
81 
(D) 
96 
(A) 
7 
(B) 
22 (D) 37 (C) 52 
(D) 
67 
(C) 
82 
(A) 
97 
(C) 
8 
(A) 
23 (A)  38 (A) 53 
(B) 
68 
(B) 
83 
(B) 
98 
(D) 
9 
(A) 
24 (C) 39 (C) 54 
(A) 
69 
(B) 
84 
(D) 
99 
(A) 
10 
(C) 
25 (A)  40 (D) 55 
(D) 
70 
(D) 
85 
(B) 
100 
(C) 
11 
(C) 
26 (A) 41 
(A) 
56 
(C) 
71 
(A) 
86 
(D) 
  
12 
(A) 
27 (A) 42 
(C) 
57 
(B) 
72 
(C) 
87 
(D) 
  
13 
(A) 
28 (C) 43 
(A) 
58 
(B) 
73 
(D) 
88 
(B) 
  
14 (D)  29 (C) 44 
(C) 
59 
(C) 
74 
(A) 
89 
(A) 
  
15 (C) 30 (A) 45 
(B) 
60 
(C) 
75 
(A) 
90 
(B) 
  
Hints & Solution 
 
PHYSICS 
 
1. (B) 
 Power = VI = ( )
V
V IR R
R
??
=
??
??
 
 
2. (C) 
 H = i
2
Rt 
 
3. (C) 
 
4. (C) 
 Power = 
1
f
(focal length in meter) 
 f = -40cm 
 
5. (A) 
 
6. (C) 
 
( )
f q V B =? 
 
7. (B) 
 
8. (A) 
 
9. (A) 
 
10. (C) 
 
11. (C) 
 
12
1 1 1
R R R
=+ 
 
12. (A) 
 
q
i
t
= 
 
13. (A) 
 f = 
R
2
 
 
Page 3


 
JHARKHAND STATE NTSE STAGE 1 2019-20 
 
 
Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans 
1 
(B) 
16 (B) 31 (D) 46 
(B) 
61 
(A) 
76 
(C) 
91 
(B) 
2 
(C) 
17 (A) 32 (D) 47 
(A) 
62 
(D) 
77 
(A) 
92 
(D) 
3 
(C) 
18 (D) 33 (C) 48 
(C) 
63 
(B) 
78 
(D) 
93 
(B) 
4 
(C) 
19 (C) 34 (D) 49 
(B) 
64 
(A) 
79 
(B) 
94 
(D) 
5 
(A) 
20 (B)  35 (D) 50 
(D) 
65 
(C) 
80 
(C) 
95 
(B) 
6 
(C) 
21 (B)   36 (D) 51 
(A) 
66 
(A) 
81 
(D) 
96 
(A) 
7 
(B) 
22 (D) 37 (C) 52 
(D) 
67 
(C) 
82 
(A) 
97 
(C) 
8 
(A) 
23 (A)  38 (A) 53 
(B) 
68 
(B) 
83 
(B) 
98 
(D) 
9 
(A) 
24 (C) 39 (C) 54 
(A) 
69 
(B) 
84 
(D) 
99 
(A) 
10 
(C) 
25 (A)  40 (D) 55 
(D) 
70 
(D) 
85 
(B) 
100 
(C) 
11 
(C) 
26 (A) 41 
(A) 
56 
(C) 
71 
(A) 
86 
(D) 
  
12 
(A) 
27 (A) 42 
(C) 
57 
(B) 
72 
(C) 
87 
(D) 
  
13 
(A) 
28 (C) 43 
(A) 
58 
(B) 
73 
(D) 
88 
(B) 
  
14 (D)  29 (C) 44 
(C) 
59 
(C) 
74 
(A) 
89 
(A) 
  
15 (C) 30 (A) 45 
(B) 
60 
(C) 
75 
(A) 
90 
(B) 
  
Hints & Solution 
 
PHYSICS 
 
1. (B) 
 Power = VI = ( )
V
V IR R
R
??
=
??
??
 
 
2. (C) 
 H = i
2
Rt 
 
3. (C) 
 
4. (C) 
 Power = 
1
f
(focal length in meter) 
 f = -40cm 
 
5. (A) 
 
6. (C) 
 
( )
f q V B =? 
 
7. (B) 
 
8. (A) 
 
9. (A) 
 
10. (C) 
 
11. (C) 
 
12
1 1 1
R R R
=+ 
 
12. (A) 
 
q
i
t
= 
 
13. (A) 
 f = 
R
2
 
 
CHEMISTRY  
 
14. (D)  
 Fe2O3 + 2Al ? Al2O3 + 2Fe 
 Single displacement reaction 
 
15. (C) 
 Mineral acid = HCl 
 
16. (B) 
 Not an acid base indicator = Vanilla. 
 
17. (A) 
 Electrolysis is used to find H2 & Cl2 by electrolysis of aq NaCl 
 
18. (D) 
 Ag is less reactive than H2 
 
19. (C) AgNO3 + NaCl ? AgCl + NaNO3 
 
20. (B) 3HCl + 1. HNO3 ? Aqua Regia 
 
21. (B)  C2H6    
 = 7 covalent bond 
 
22. (D) 
 100% pure ethanoic acid is glacial acetic acid 
 
23. (A)  
 I2 is solid non- metal 
 
24. (C) 
 C3H8 = 10 covalent bond 
 
25. (A) & (B) 
  ?  2, 8, 8, 1 
 Present  in group (3) & valency is (-1) is wrong 
 
26. (A) 
 Catenation = self linking property 
 
 
Page 4


 
JHARKHAND STATE NTSE STAGE 1 2019-20 
 
 
Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans 
1 
(B) 
16 (B) 31 (D) 46 
(B) 
61 
(A) 
76 
(C) 
91 
(B) 
2 
(C) 
17 (A) 32 (D) 47 
(A) 
62 
(D) 
77 
(A) 
92 
(D) 
3 
(C) 
18 (D) 33 (C) 48 
(C) 
63 
(B) 
78 
(D) 
93 
(B) 
4 
(C) 
19 (C) 34 (D) 49 
(B) 
64 
(A) 
79 
(B) 
94 
(D) 
5 
(A) 
20 (B)  35 (D) 50 
(D) 
65 
(C) 
80 
(C) 
95 
(B) 
6 
(C) 
21 (B)   36 (D) 51 
(A) 
66 
(A) 
81 
(D) 
96 
(A) 
7 
(B) 
22 (D) 37 (C) 52 
(D) 
67 
(C) 
82 
(A) 
97 
(C) 
8 
(A) 
23 (A)  38 (A) 53 
(B) 
68 
(B) 
83 
(B) 
98 
(D) 
9 
(A) 
24 (C) 39 (C) 54 
(A) 
69 
(B) 
84 
(D) 
99 
(A) 
10 
(C) 
25 (A)  40 (D) 55 
(D) 
70 
(D) 
85 
(B) 
100 
(C) 
11 
(C) 
26 (A) 41 
(A) 
56 
(C) 
71 
(A) 
86 
(D) 
  
12 
(A) 
27 (A) 42 
(C) 
57 
(B) 
72 
(C) 
87 
(D) 
  
13 
(A) 
28 (C) 43 
(A) 
58 
(B) 
73 
(D) 
88 
(B) 
  
14 (D)  29 (C) 44 
(C) 
59 
(C) 
74 
(A) 
89 
(A) 
  
15 (C) 30 (A) 45 
(B) 
60 
(C) 
75 
(A) 
90 
(B) 
  
Hints & Solution 
 
PHYSICS 
 
1. (B) 
 Power = VI = ( )
V
V IR R
R
??
=
??
??
 
 
2. (C) 
 H = i
2
Rt 
 
3. (C) 
 
4. (C) 
 Power = 
1
f
(focal length in meter) 
 f = -40cm 
 
5. (A) 
 
6. (C) 
 
( )
f q V B =? 
 
7. (B) 
 
8. (A) 
 
9. (A) 
 
10. (C) 
 
11. (C) 
 
12
1 1 1
R R R
=+ 
 
12. (A) 
 
q
i
t
= 
 
13. (A) 
 f = 
R
2
 
 
CHEMISTRY  
 
14. (D)  
 Fe2O3 + 2Al ? Al2O3 + 2Fe 
 Single displacement reaction 
 
15. (C) 
 Mineral acid = HCl 
 
16. (B) 
 Not an acid base indicator = Vanilla. 
 
17. (A) 
 Electrolysis is used to find H2 & Cl2 by electrolysis of aq NaCl 
 
18. (D) 
 Ag is less reactive than H2 
 
19. (C) AgNO3 + NaCl ? AgCl + NaNO3 
 
20. (B) 3HCl + 1. HNO3 ? Aqua Regia 
 
21. (B)  C2H6    
 = 7 covalent bond 
 
22. (D) 
 100% pure ethanoic acid is glacial acetic acid 
 
23. (A)  
 I2 is solid non- metal 
 
24. (C) 
 C3H8 = 10 covalent bond 
 
25. (A) & (B) 
  ?  2, 8, 8, 1 
 Present  in group (3) & valency is (-1) is wrong 
 
26. (A) 
 Catenation = self linking property 
 
 
BIOLOGY 
27. (A) 
  Salivary gland produces salivary  amylase or ptyalin. 
 
28. (C) 
 Part of brain “ Medula oblongata” regulates respiration. 
 
29.  (C) 
 Self-explanatory  
 
30. (A) 
 Self-explanatory  
 
31. (D) 
 Self-explanatory  
 
32. (D) 
 Self-explanatory  
 
 
33. (C) 
 It is a type of E.coli 
 
34. (D) 
 Self-explanatory  
 
 
35. (D) 
 Cytokinin is a plant harmone, other options are harmones, found in human. 
 
36. (D) 
 Pollen grains are produced by anther, which is the male reproductive part of plant. 
 
37. (C) 
 DNA + Proteins (Histone) 
 
38. (A) 
 Coal is nonrenewable energy resource 
 
39. (C) 
 By Fusion of male & Female gametes zygote is formed 
 
40. (D) 
 Self-explanatory  
Page 5


 
JHARKHAND STATE NTSE STAGE 1 2019-20 
 
 
Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans Que Ans 
1 
(B) 
16 (B) 31 (D) 46 
(B) 
61 
(A) 
76 
(C) 
91 
(B) 
2 
(C) 
17 (A) 32 (D) 47 
(A) 
62 
(D) 
77 
(A) 
92 
(D) 
3 
(C) 
18 (D) 33 (C) 48 
(C) 
63 
(B) 
78 
(D) 
93 
(B) 
4 
(C) 
19 (C) 34 (D) 49 
(B) 
64 
(A) 
79 
(B) 
94 
(D) 
5 
(A) 
20 (B)  35 (D) 50 
(D) 
65 
(C) 
80 
(C) 
95 
(B) 
6 
(C) 
21 (B)   36 (D) 51 
(A) 
66 
(A) 
81 
(D) 
96 
(A) 
7 
(B) 
22 (D) 37 (C) 52 
(D) 
67 
(C) 
82 
(A) 
97 
(C) 
8 
(A) 
23 (A)  38 (A) 53 
(B) 
68 
(B) 
83 
(B) 
98 
(D) 
9 
(A) 
24 (C) 39 (C) 54 
(A) 
69 
(B) 
84 
(D) 
99 
(A) 
10 
(C) 
25 (A)  40 (D) 55 
(D) 
70 
(D) 
85 
(B) 
100 
(C) 
11 
(C) 
26 (A) 41 
(A) 
56 
(C) 
71 
(A) 
86 
(D) 
  
12 
(A) 
27 (A) 42 
(C) 
57 
(B) 
72 
(C) 
87 
(D) 
  
13 
(A) 
28 (C) 43 
(A) 
58 
(B) 
73 
(D) 
88 
(B) 
  
14 (D)  29 (C) 44 
(C) 
59 
(C) 
74 
(A) 
89 
(A) 
  
15 (C) 30 (A) 45 
(B) 
60 
(C) 
75 
(A) 
90 
(B) 
  
Hints & Solution 
 
PHYSICS 
 
1. (B) 
 Power = VI = ( )
V
V IR R
R
??
=
??
??
 
 
2. (C) 
 H = i
2
Rt 
 
3. (C) 
 
4. (C) 
 Power = 
1
f
(focal length in meter) 
 f = -40cm 
 
5. (A) 
 
6. (C) 
 
( )
f q V B =? 
 
7. (B) 
 
8. (A) 
 
9. (A) 
 
10. (C) 
 
11. (C) 
 
12
1 1 1
R R R
=+ 
 
12. (A) 
 
q
i
t
= 
 
13. (A) 
 f = 
R
2
 
 
CHEMISTRY  
 
14. (D)  
 Fe2O3 + 2Al ? Al2O3 + 2Fe 
 Single displacement reaction 
 
15. (C) 
 Mineral acid = HCl 
 
16. (B) 
 Not an acid base indicator = Vanilla. 
 
17. (A) 
 Electrolysis is used to find H2 & Cl2 by electrolysis of aq NaCl 
 
18. (D) 
 Ag is less reactive than H2 
 
19. (C) AgNO3 + NaCl ? AgCl + NaNO3 
 
20. (B) 3HCl + 1. HNO3 ? Aqua Regia 
 
21. (B)  C2H6    
 = 7 covalent bond 
 
22. (D) 
 100% pure ethanoic acid is glacial acetic acid 
 
23. (A)  
 I2 is solid non- metal 
 
24. (C) 
 C3H8 = 10 covalent bond 
 
25. (A) & (B) 
  ?  2, 8, 8, 1 
 Present  in group (3) & valency is (-1) is wrong 
 
26. (A) 
 Catenation = self linking property 
 
 
BIOLOGY 
27. (A) 
  Salivary gland produces salivary  amylase or ptyalin. 
 
28. (C) 
 Part of brain “ Medula oblongata” regulates respiration. 
 
29.  (C) 
 Self-explanatory  
 
30. (A) 
 Self-explanatory  
 
31. (D) 
 Self-explanatory  
 
32. (D) 
 Self-explanatory  
 
 
33. (C) 
 It is a type of E.coli 
 
34. (D) 
 Self-explanatory  
 
 
35. (D) 
 Cytokinin is a plant harmone, other options are harmones, found in human. 
 
36. (D) 
 Pollen grains are produced by anther, which is the male reproductive part of plant. 
 
37. (C) 
 DNA + Proteins (Histone) 
 
38. (A) 
 Coal is nonrenewable energy resource 
 
39. (C) 
 By Fusion of male & Female gametes zygote is formed 
 
40. (D) 
 Self-explanatory  
MATHEMATICS 
41. (A)  
 ? is irrational number.  
 
42. (C) 
 ( ) 1 1 3 4 0 p - = + - = 
 
43. (C) 
 2
xy
ab
+= ………(i)  
 
22
ax by a b - = - ………(ii) 
 Solving (i) & (ii), we get 
 
2 2 2
2
x
ax b a b
a
??
- - = -
??
??
 
 
2
2 2 2
2
b
ax b x a b
a
- + = - 
 
( ) ( )
2 2 2 2
a b x a a b + = + 
 xa = 
 yb ?= 
 
44. (C) 
 
2
2
3
42
a
AD a a = - = 
  
 
45. (B) 
 sec tan m ?? += 
 sec tan n ?? -= 
 
22
sec tan mn ?? ? - = 
 1 mn ?= 
 
46. (B) 
 Mean = 
1 3 5 7 9 11 13 15 17 19 100
10
10 10
+ + + + + + + + +
== 
 
47. (A)  
 14 xy += 
 4 xy -= 
 2 18 x = 
A 
B 
C 
a 
 
D

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Document Description: Jharkhand: State Level Answer Key (SAT) - 2019-20 for Class 10 2024 is part of NTSE for Class 10 preparation. The notes and questions for Jharkhand: State Level Answer Key (SAT) - 2019-20 have been prepared according to the Class 10 exam syllabus. Information about Jharkhand: State Level Answer Key (SAT) - 2019-20 covers topics like and Jharkhand: State Level Answer Key (SAT) - 2019-20 Example, for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Jharkhand: State Level Answer Key (SAT) - 2019-20.

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Jharkhand: State Level Answer Key (SAT) - 2019-20 Notes

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Jharkhand: State Level Answer Key (SAT) - 2019-20 Class 10 Questions

The "Jharkhand: State Level Answer Key (SAT) - 2019-20 Class 10 Questions" guide is a valuable resource for all aspiring students preparing for the Class 10 exam. It focuses on providing a wide range of practice questions to help students gauge their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation. The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level. Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.

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Students of Class 10 can study Jharkhand: State Level Answer Key (SAT) - 2019-20 alongwith tests & analysis from the EduRev app, which will help them while preparing for their exam. Apart from the Jharkhand: State Level Answer Key (SAT) - 2019-20, students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc. The EduRev App will make your learning easier as you can access it from anywhere you want. The content of Jharkhand: State Level Answer Key (SAT) - 2019-20 is prepared as per the latest Class 10 syllabus.

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