NEET 2016 Phase - I Past Year Paper with Detailed Solutions | NEET Mock Test Series 2025 PDF Download

 Page 1


  
 
  
  
 
    
NEET - 2016 
Questions with Solutions 
Time: 3 Hours  Total Marks: 720 
 
General Instructions: 
1. The test is of 3 hours duration.  
2. The Test Paper contains 180 questions. There are three parts in the question paper 
consisting of Physics and Chemistry having 45 questions each and Biology with 90 
questions. 
3. Each question carries 4 marks. For each correct response, the candidate will get 4 
marks. For each incorrect response, 1 mark will be deducted from the total scores. The 
maximum marks are 720. 
4. Out of the four options given for each question, only one option is the correct answer. If 
more than one response is marked in any question, it will be treated as wrong response 
and marked up for wrong response will be deducted. 
5. No deduction from the total score will be made if no response is indicated for an item in 
the answer box. 
6. Use of Electronic/Manual Calculator is prohibited. 
 
PHYSICS 
 
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes 
through the centre is cut. What is the moment of inertia of the remaining part of the disc 
about a perpendicular axis, passing through the centre? 
Option A 15 MR
2
/32 
Option B 13 MR
2
/32 
Option C 11 MR
2
/32 
Option D 9 MR
2
/32 
Correct Option B 
Solution: 
 
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
 
 
remain cut
I =I-I
Page 2


  
 
  
  
 
    
NEET - 2016 
Questions with Solutions 
Time: 3 Hours  Total Marks: 720 
 
General Instructions: 
1. The test is of 3 hours duration.  
2. The Test Paper contains 180 questions. There are three parts in the question paper 
consisting of Physics and Chemistry having 45 questions each and Biology with 90 
questions. 
3. Each question carries 4 marks. For each correct response, the candidate will get 4 
marks. For each incorrect response, 1 mark will be deducted from the total scores. The 
maximum marks are 720. 
4. Out of the four options given for each question, only one option is the correct answer. If 
more than one response is marked in any question, it will be treated as wrong response 
and marked up for wrong response will be deducted. 
5. No deduction from the total score will be made if no response is indicated for an item in 
the answer box. 
6. Use of Electronic/Manual Calculator is prohibited. 
 
PHYSICS 
 
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes 
through the centre is cut. What is the moment of inertia of the remaining part of the disc 
about a perpendicular axis, passing through the centre? 
Option A 15 MR
2
/32 
Option B 13 MR
2
/32 
Option C 11 MR
2
/32 
Option D 9 MR
2
/32 
Correct Option B 
Solution: 
 
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
 
 
remain cut
I =I-I
  
 
  
  
 
    
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
 
 
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight 
conductor XY, carrying a current I, the net force on the loop will be: 
 
Option A 
0
2 Ii
3
 
Option B 
0
Ii
2
 
Option C 
0
2 IiL
3
 
Option D 
0
IiL
2
 
Correct Option A 
Solution: 
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
 
 
Q 3. The magnetic susceptibility is negative for: 
Option A diamagnetic material only 
Option B paramagnetic material only 
Option C ferromagnetic material only 
Option D paramagnetic and ferromagnetic materials 
Correct Option A 
Solution: diamagnetic material only 
 
Page 3


  
 
  
  
 
    
NEET - 2016 
Questions with Solutions 
Time: 3 Hours  Total Marks: 720 
 
General Instructions: 
1. The test is of 3 hours duration.  
2. The Test Paper contains 180 questions. There are three parts in the question paper 
consisting of Physics and Chemistry having 45 questions each and Biology with 90 
questions. 
3. Each question carries 4 marks. For each correct response, the candidate will get 4 
marks. For each incorrect response, 1 mark will be deducted from the total scores. The 
maximum marks are 720. 
4. Out of the four options given for each question, only one option is the correct answer. If 
more than one response is marked in any question, it will be treated as wrong response 
and marked up for wrong response will be deducted. 
5. No deduction from the total score will be made if no response is indicated for an item in 
the answer box. 
6. Use of Electronic/Manual Calculator is prohibited. 
 
PHYSICS 
 
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes 
through the centre is cut. What is the moment of inertia of the remaining part of the disc 
about a perpendicular axis, passing through the centre? 
Option A 15 MR
2
/32 
Option B 13 MR
2
/32 
Option C 11 MR
2
/32 
Option D 9 MR
2
/32 
Correct Option B 
Solution: 
 
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
 
 
remain cut
I =I-I
  
 
  
  
 
    
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
 
 
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight 
conductor XY, carrying a current I, the net force on the loop will be: 
 
Option A 
0
2 Ii
3
 
Option B 
0
Ii
2
 
Option C 
0
2 IiL
3
 
Option D 
0
IiL
2
 
Correct Option A 
Solution: 
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
 
 
Q 3. The magnetic susceptibility is negative for: 
Option A diamagnetic material only 
Option B paramagnetic material only 
Option C ferromagnetic material only 
Option D paramagnetic and ferromagnetic materials 
Correct Option A 
Solution: diamagnetic material only 
 
  
 
  
  
 
    
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a 
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo 
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
) 
Option A 765 Hz 
Option B 800 Hz 
Option C 838 Hz 
Option D 885 Hz 
Correct Option C 
Solution: 
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
 
 
? Observe hears 
f’ = 838 Hz 
 
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to 
position 2, the percentage of its stored energy dissipated is: 
 
Option A 0% 
Option B 20% 
Option C 75% 
Option D 80% 
Correct Option D 
Solution: 
Page 4


  
 
  
  
 
    
NEET - 2016 
Questions with Solutions 
Time: 3 Hours  Total Marks: 720 
 
General Instructions: 
1. The test is of 3 hours duration.  
2. The Test Paper contains 180 questions. There are three parts in the question paper 
consisting of Physics and Chemistry having 45 questions each and Biology with 90 
questions. 
3. Each question carries 4 marks. For each correct response, the candidate will get 4 
marks. For each incorrect response, 1 mark will be deducted from the total scores. The 
maximum marks are 720. 
4. Out of the four options given for each question, only one option is the correct answer. If 
more than one response is marked in any question, it will be treated as wrong response 
and marked up for wrong response will be deducted. 
5. No deduction from the total score will be made if no response is indicated for an item in 
the answer box. 
6. Use of Electronic/Manual Calculator is prohibited. 
 
PHYSICS 
 
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes 
through the centre is cut. What is the moment of inertia of the remaining part of the disc 
about a perpendicular axis, passing through the centre? 
Option A 15 MR
2
/32 
Option B 13 MR
2
/32 
Option C 11 MR
2
/32 
Option D 9 MR
2
/32 
Correct Option B 
Solution: 
 
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
 
 
remain cut
I =I-I
  
 
  
  
 
    
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
 
 
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight 
conductor XY, carrying a current I, the net force on the loop will be: 
 
Option A 
0
2 Ii
3
 
Option B 
0
Ii
2
 
Option C 
0
2 IiL
3
 
Option D 
0
IiL
2
 
Correct Option A 
Solution: 
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
 
 
Q 3. The magnetic susceptibility is negative for: 
Option A diamagnetic material only 
Option B paramagnetic material only 
Option C ferromagnetic material only 
Option D paramagnetic and ferromagnetic materials 
Correct Option A 
Solution: diamagnetic material only 
 
  
 
  
  
 
    
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a 
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo 
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
) 
Option A 765 Hz 
Option B 800 Hz 
Option C 838 Hz 
Option D 885 Hz 
Correct Option C 
Solution: 
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
 
 
? Observe hears 
f’ = 838 Hz 
 
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to 
position 2, the percentage of its stored energy dissipated is: 
 
Option A 0% 
Option B 20% 
Option C 75% 
Option D 80% 
Correct Option D 
Solution: 
  
 
  
  
 
    
? ?
? ?
2 6 2 6 2
initial
6
final
6
2
2
66
final
2
6 2 6
62
1
11
U cv 2 10 v 10 v V
22
Total charge 2V 10 V
V volt
totalcapacitance 5
2 8 10
1 V V
U 2 8 10 10 J
2 5 5
V
10 V 10
5
U
10 V
U8
100 100 80%
U 10
??
?
?
??
??
?
? ? ? ? ? ? ?
?
? ? ?
??
??
? ? ? ? ?
??
??
? ? ?
??
?
?
? ? ? ?
 
 
Q 6. In a diffraction pattern due to a single slit of width ‘a’, the first minimum is observed at 
an angle 30° when light of wavelength 5000Å is incident on the slit. The first secondary 
maximum is observed at an angle of:  
Option A 
1
1
sin
4
 
Option B 
1
2
sin
3
 
Option C 
1
1
sin
2
 
Option D 
1
3
sin
4
 
Correct Option D 
Solution: 
10
For minima aSin n
n 1,2,3....
5000 10 1
Sin
a a 2
?
? ? ?
?
??
? ? ? ?
 
a = 10 × 10
-7
 
1
For maxima general condition is
2n 1
a sin
2
For first secondary maxima
3
a sin
2
33
sin
2a 4
3
sin
4
?
? ??
? ? ?
??
??
?
??
?
? ? ?
??
??
??
??
 
  
Page 5


  
 
  
  
 
    
NEET - 2016 
Questions with Solutions 
Time: 3 Hours  Total Marks: 720 
 
General Instructions: 
1. The test is of 3 hours duration.  
2. The Test Paper contains 180 questions. There are three parts in the question paper 
consisting of Physics and Chemistry having 45 questions each and Biology with 90 
questions. 
3. Each question carries 4 marks. For each correct response, the candidate will get 4 
marks. For each incorrect response, 1 mark will be deducted from the total scores. The 
maximum marks are 720. 
4. Out of the four options given for each question, only one option is the correct answer. If 
more than one response is marked in any question, it will be treated as wrong response 
and marked up for wrong response will be deducted. 
5. No deduction from the total score will be made if no response is indicated for an item in 
the answer box. 
6. Use of Electronic/Manual Calculator is prohibited. 
 
PHYSICS 
 
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes 
through the centre is cut. What is the moment of inertia of the remaining part of the disc 
about a perpendicular axis, passing through the centre? 
Option A 15 MR
2
/32 
Option B 13 MR
2
/32 
Option C 11 MR
2
/32 
Option D 9 MR
2
/32 
Correct Option B 
Solution: 
 
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
 
 
remain cut
I =I-I
  
 
  
  
 
    
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
 
 
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight 
conductor XY, carrying a current I, the net force on the loop will be: 
 
Option A 
0
2 Ii
3
 
Option B 
0
Ii
2
 
Option C 
0
2 IiL
3
 
Option D 
0
IiL
2
 
Correct Option A 
Solution: 
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
 
 
Q 3. The magnetic susceptibility is negative for: 
Option A diamagnetic material only 
Option B paramagnetic material only 
Option C ferromagnetic material only 
Option D paramagnetic and ferromagnetic materials 
Correct Option A 
Solution: diamagnetic material only 
 
  
 
  
  
 
    
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a 
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo 
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
) 
Option A 765 Hz 
Option B 800 Hz 
Option C 838 Hz 
Option D 885 Hz 
Correct Option C 
Solution: 
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
 
 
? Observe hears 
f’ = 838 Hz 
 
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to 
position 2, the percentage of its stored energy dissipated is: 
 
Option A 0% 
Option B 20% 
Option C 75% 
Option D 80% 
Correct Option D 
Solution: 
  
 
  
  
 
    
? ?
? ?
2 6 2 6 2
initial
6
final
6
2
2
66
final
2
6 2 6
62
1
11
U cv 2 10 v 10 v V
22
Total charge 2V 10 V
V volt
totalcapacitance 5
2 8 10
1 V V
U 2 8 10 10 J
2 5 5
V
10 V 10
5
U
10 V
U8
100 100 80%
U 10
??
?
?
??
??
?
? ? ? ? ? ? ?
?
? ? ?
??
??
? ? ? ? ?
??
??
? ? ?
??
?
?
? ? ? ?
 
 
Q 6. In a diffraction pattern due to a single slit of width ‘a’, the first minimum is observed at 
an angle 30° when light of wavelength 5000Å is incident on the slit. The first secondary 
maximum is observed at an angle of:  
Option A 
1
1
sin
4
 
Option B 
1
2
sin
3
 
Option C 
1
1
sin
2
 
Option D 
1
3
sin
4
 
Correct Option D 
Solution: 
10
For minima aSin n
n 1,2,3....
5000 10 1
Sin
a a 2
?
? ? ?
?
??
? ? ? ?
 
a = 10 × 10
-7
 
1
For maxima general condition is
2n 1
a sin
2
For first secondary maxima
3
a sin
2
33
sin
2a 4
3
sin
4
?
? ??
? ? ?
??
??
?
??
?
? ? ?
??
??
??
??
 
  
  
 
  
  
 
    
Q 7. At what height from the surface of earth the gravitation potential and the value of g are –
5.4×10
7
J kg
-2
 and 6.0 ms
-2
 respectively? Take the radius of earth as 6400 km. 
Option A 2600 km 
Option B 1600 km 
Option C 1400 km 
Option D 2000 km 
Correct Option A 
Solution: 
? ?
e
at height h
e
e
h
2
e
7
at height h
e
h
6
e
66
GM
V (1)
Rh
GM
g 6 (2)
Rh
V
5.4 10
Rh
g6
R h 9 10
h 9 10 6.4 10
2600km
? ? ? ? ? ? ? ?
?
? ? ? ? ? ? ? ? ?
?
?
? ? ?
? ? ?
? ? ? ?
?
 
 
Q 8. Out of the following options which one can be used to produce a propagating 
electromagnetic wave? 
Option A A charge moving at constant velocity. 
Option B A stationary charge 
Option C A chargeless particle 
Option D An accelerating charge 
Correct Option D 
Solution: An accelerating charge is responsible for producing electromagnetic waves.  
 
Q 9. Two identical charged spheres suspended from a common point by two massless strings 
of lengths l, are initially at a distance d (d<<l) apart because of their mutual repulsion. The 
charges begin to leak from both the spheres at a constant rate. As a result, the spheres 
approach each other with a velocity ?. Then ? varies as a function of the distance x between 
the spheres, as: 
Option A 
1
2
x ?? 
Option B ? ? x 
Option C 
1
2
x
?
?? 
Option D ? ? x
-1
 
Correct Option C 
Solution: