Class 10 NTSE Delhi - Question Papers SAT 2016-17

 Page 1


 
  
NTSE STAGE – I  
(2016- 17 ) 
SCHOLASTIC APTITUDE TEST 
 
101. The distance travelled by a body falling freely from rest in 2nd, 3rd and 5th second of its 
motion are in the ratio  
 (1) 7 : 5 : 3 (2) 3 : 5 : 7  
 (3) 5 : 3 : 7 (4) 5 : 7 : 3  
 
102. Two extremes ends of a moving train (engine and guard coach) pass a pole with speeds U 
and V respectively with a constant acceleration. The speed with which the middle point of 
the train will pass the same pole is  
 (1) 
U V
2
?
 (2)  
2 2
V U
2
?
 
 (3) 
UV
2
 (4) 
2 2
U V
2
?
 
 
103. An athlete completes one round of circular track of radius r in 30s with uniform speed. The 
ratio of distance to the displacement traveled by the athlete at the end of 45s is  
 (1) 2r (2) 
2
r
3
 
 (3) 
3
2
? (4) 2 ? 
 
104. Five resistances of same value ‘x’ are joined in an 
electric circuit as shown in figure. The equivalent 
resistance between ends P and Q is 3 ? . The value 
of x  
 (1) 
1
5
?  
 (2) 
5
4
? 
 (3) 
21
4
? 
 (4) 
7
4
? 
 
 
105. A bomb of mass 9 kg initially at rest explodes into two pieces of masses 3 kg and 6 kg. If the 
kinetic energy of 3 kg mass is 216J, then the velocity of 6kg mass will be  
 (1) 4 m/s  (2) 3 m/s  
 (3) 2 m/s  (4) 6 m/s 
 
106. A glass rod is rubbed with silk, is found positively charged. This is because  
 (1) Electrons are transferred from glass rod to silk. 
 (2) Electrons are transferred from silk to glass rod.  
 (3) Protons are transferred from glass rod to silk   
 (4) Protons are transferred from silk to glass rod  
 
107. A ship rises up as it enters the sea from a river because  
 (1) Sea water is harder than river water   
 (2) Density of sea water is lesser than river water  
 (3) Large quantity of sea water pushes ship up 
Page 2


 
  
NTSE STAGE – I  
(2016- 17 ) 
SCHOLASTIC APTITUDE TEST 
 
101. The distance travelled by a body falling freely from rest in 2nd, 3rd and 5th second of its 
motion are in the ratio  
 (1) 7 : 5 : 3 (2) 3 : 5 : 7  
 (3) 5 : 3 : 7 (4) 5 : 7 : 3  
 
102. Two extremes ends of a moving train (engine and guard coach) pass a pole with speeds U 
and V respectively with a constant acceleration. The speed with which the middle point of 
the train will pass the same pole is  
 (1) 
U V
2
?
 (2)  
2 2
V U
2
?
 
 (3) 
UV
2
 (4) 
2 2
U V
2
?
 
 
103. An athlete completes one round of circular track of radius r in 30s with uniform speed. The 
ratio of distance to the displacement traveled by the athlete at the end of 45s is  
 (1) 2r (2) 
2
r
3
 
 (3) 
3
2
? (4) 2 ? 
 
104. Five resistances of same value ‘x’ are joined in an 
electric circuit as shown in figure. The equivalent 
resistance between ends P and Q is 3 ? . The value 
of x  
 (1) 
1
5
?  
 (2) 
5
4
? 
 (3) 
21
4
? 
 (4) 
7
4
? 
 
 
105. A bomb of mass 9 kg initially at rest explodes into two pieces of masses 3 kg and 6 kg. If the 
kinetic energy of 3 kg mass is 216J, then the velocity of 6kg mass will be  
 (1) 4 m/s  (2) 3 m/s  
 (3) 2 m/s  (4) 6 m/s 
 
106. A glass rod is rubbed with silk, is found positively charged. This is because  
 (1) Electrons are transferred from glass rod to silk. 
 (2) Electrons are transferred from silk to glass rod.  
 (3) Protons are transferred from glass rod to silk   
 (4) Protons are transferred from silk to glass rod  
 
107. A ship rises up as it enters the sea from a river because  
 (1) Sea water is harder than river water   
 (2) Density of sea water is lesser than river water  
 (3) Large quantity of sea water pushes ship up 
 
  
 (4) Density of sea water is greater than river water  
108. Which are of the following represents the correct graph between L and T
2
 in simple 
pendulum?  
 
 
109. Which are of the following correctly depicts reflection. When two mirrors are inclined at an 
angle of 
o
50 ?  
 
 
 
110. Acceleration time graph of a body is shown below:  
           
 Which of the following velocity time graph of the same body  
 
111. A man of 80 kg mass stands on a weighting machine in a lift which is moving upwards with a 
uniform speed of 5m/s. The reading of the weighing machine will be. (Take g = 10 m/s
2
) 
 (1) zero (2) 400N 
 (3) 800N (4) 1200N 
 
Page 3


 
  
NTSE STAGE – I  
(2016- 17 ) 
SCHOLASTIC APTITUDE TEST 
 
101. The distance travelled by a body falling freely from rest in 2nd, 3rd and 5th second of its 
motion are in the ratio  
 (1) 7 : 5 : 3 (2) 3 : 5 : 7  
 (3) 5 : 3 : 7 (4) 5 : 7 : 3  
 
102. Two extremes ends of a moving train (engine and guard coach) pass a pole with speeds U 
and V respectively with a constant acceleration. The speed with which the middle point of 
the train will pass the same pole is  
 (1) 
U V
2
?
 (2)  
2 2
V U
2
?
 
 (3) 
UV
2
 (4) 
2 2
U V
2
?
 
 
103. An athlete completes one round of circular track of radius r in 30s with uniform speed. The 
ratio of distance to the displacement traveled by the athlete at the end of 45s is  
 (1) 2r (2) 
2
r
3
 
 (3) 
3
2
? (4) 2 ? 
 
104. Five resistances of same value ‘x’ are joined in an 
electric circuit as shown in figure. The equivalent 
resistance between ends P and Q is 3 ? . The value 
of x  
 (1) 
1
5
?  
 (2) 
5
4
? 
 (3) 
21
4
? 
 (4) 
7
4
? 
 
 
105. A bomb of mass 9 kg initially at rest explodes into two pieces of masses 3 kg and 6 kg. If the 
kinetic energy of 3 kg mass is 216J, then the velocity of 6kg mass will be  
 (1) 4 m/s  (2) 3 m/s  
 (3) 2 m/s  (4) 6 m/s 
 
106. A glass rod is rubbed with silk, is found positively charged. This is because  
 (1) Electrons are transferred from glass rod to silk. 
 (2) Electrons are transferred from silk to glass rod.  
 (3) Protons are transferred from glass rod to silk   
 (4) Protons are transferred from silk to glass rod  
 
107. A ship rises up as it enters the sea from a river because  
 (1) Sea water is harder than river water   
 (2) Density of sea water is lesser than river water  
 (3) Large quantity of sea water pushes ship up 
 
  
 (4) Density of sea water is greater than river water  
108. Which are of the following represents the correct graph between L and T
2
 in simple 
pendulum?  
 
 
109. Which are of the following correctly depicts reflection. When two mirrors are inclined at an 
angle of 
o
50 ?  
 
 
 
110. Acceleration time graph of a body is shown below:  
           
 Which of the following velocity time graph of the same body  
 
111. A man of 80 kg mass stands on a weighting machine in a lift which is moving upwards with a 
uniform speed of 5m/s. The reading of the weighing machine will be. (Take g = 10 m/s
2
) 
 (1) zero (2) 400N 
 (3) 800N (4) 1200N 
 
 
  
112. An electric bulb marked 40W – 220V is connected with an electric supply of 110v. Its electric 
power is  
 (1) 100W (2) 40W 
 (3) 20W (4) 10W  
 
113. An overhead power transmission line carries a current from east to east directs as then 
magnetic field at a point 1. 5 cm north of the line is in 
 (1) North direction  (2) South direction  
 (3) Vertically upward  (4) Vertically downward  
 
114. Total internal reflection is not possible when ray of light travels from  
 (1) glass to water  (2) glass to air  
 (3) water to air  (4) water to glass  
 
115. How many grams of oxygen gas is essentially required for complete combustion of 3 moles 
of butane gas? 
 (1) 624 g  (2) 312 g 
 (3) 128 g (4) 64 g  
116. IUPAC name of 
H - C -  C -  H 
O O
 
 (1) Oxoethanal  (2) Glyoxal  
 (3) Ethanedial  (4) Ethanedione  
 
117. What is the mass of pure ethanoic acid required to neutralize 280 mL of 0.5 molar pure lime 
water completely?  
 (1) 60.4 g  (2) 30.2 g  
 (3) 16.8 g   (4) 8.4 g  
 
118. A metal sulphate has the formula MSO
4
. The phosphate of the same metal will have the 
formula  
 (1) ? ?
3 4
3
M PO (2) 
2 4
M PO 
 (3) ? ?
4
2
M PO (4) ? ?
3 4
2
M PO 
 
119. The mass of sodium chloride formed when 5.3 g of sodium carbonate is dissolve in 250ml of 
1
2
 molar HCI solution will be  
 (1) 5.85 g  (2) 7.32 g 
 (3) 11.7 g  (4) 58.5 g  
 
120. A gas mixture contains 50% helium and 50% methane by volume at S.T.P. What is the 
percentage by mass of the methane in the mixture? 
 (1) 20% (2) 40% 
 (3) 60% (4) 80% 
 
121. The German silver, an alloy, has the composition  
 (1) Cu + Sn + Zn  (2) Cu + Zn + Ni  
 (3) Cu + Ag + Zn  (4) Ag + Hg + Sn  
 
122. Out of the following, which is the incorrect statement?  
 (1) Adsorption is always an exothermic process 
 (2) The soap solution is not a colloidal solution below its CMC.  
 (3) ‘Argyrol” used in eye – lotion is a colloidal solution   
 (4) Gold number is the number of moles of gold formed in anode mud during copper refining.  
 
Page 4


 
  
NTSE STAGE – I  
(2016- 17 ) 
SCHOLASTIC APTITUDE TEST 
 
101. The distance travelled by a body falling freely from rest in 2nd, 3rd and 5th second of its 
motion are in the ratio  
 (1) 7 : 5 : 3 (2) 3 : 5 : 7  
 (3) 5 : 3 : 7 (4) 5 : 7 : 3  
 
102. Two extremes ends of a moving train (engine and guard coach) pass a pole with speeds U 
and V respectively with a constant acceleration. The speed with which the middle point of 
the train will pass the same pole is  
 (1) 
U V
2
?
 (2)  
2 2
V U
2
?
 
 (3) 
UV
2
 (4) 
2 2
U V
2
?
 
 
103. An athlete completes one round of circular track of radius r in 30s with uniform speed. The 
ratio of distance to the displacement traveled by the athlete at the end of 45s is  
 (1) 2r (2) 
2
r
3
 
 (3) 
3
2
? (4) 2 ? 
 
104. Five resistances of same value ‘x’ are joined in an 
electric circuit as shown in figure. The equivalent 
resistance between ends P and Q is 3 ? . The value 
of x  
 (1) 
1
5
?  
 (2) 
5
4
? 
 (3) 
21
4
? 
 (4) 
7
4
? 
 
 
105. A bomb of mass 9 kg initially at rest explodes into two pieces of masses 3 kg and 6 kg. If the 
kinetic energy of 3 kg mass is 216J, then the velocity of 6kg mass will be  
 (1) 4 m/s  (2) 3 m/s  
 (3) 2 m/s  (4) 6 m/s 
 
106. A glass rod is rubbed with silk, is found positively charged. This is because  
 (1) Electrons are transferred from glass rod to silk. 
 (2) Electrons are transferred from silk to glass rod.  
 (3) Protons are transferred from glass rod to silk   
 (4) Protons are transferred from silk to glass rod  
 
107. A ship rises up as it enters the sea from a river because  
 (1) Sea water is harder than river water   
 (2) Density of sea water is lesser than river water  
 (3) Large quantity of sea water pushes ship up 
 
  
 (4) Density of sea water is greater than river water  
108. Which are of the following represents the correct graph between L and T
2
 in simple 
pendulum?  
 
 
109. Which are of the following correctly depicts reflection. When two mirrors are inclined at an 
angle of 
o
50 ?  
 
 
 
110. Acceleration time graph of a body is shown below:  
           
 Which of the following velocity time graph of the same body  
 
111. A man of 80 kg mass stands on a weighting machine in a lift which is moving upwards with a 
uniform speed of 5m/s. The reading of the weighing machine will be. (Take g = 10 m/s
2
) 
 (1) zero (2) 400N 
 (3) 800N (4) 1200N 
 
 
  
112. An electric bulb marked 40W – 220V is connected with an electric supply of 110v. Its electric 
power is  
 (1) 100W (2) 40W 
 (3) 20W (4) 10W  
 
113. An overhead power transmission line carries a current from east to east directs as then 
magnetic field at a point 1. 5 cm north of the line is in 
 (1) North direction  (2) South direction  
 (3) Vertically upward  (4) Vertically downward  
 
114. Total internal reflection is not possible when ray of light travels from  
 (1) glass to water  (2) glass to air  
 (3) water to air  (4) water to glass  
 
115. How many grams of oxygen gas is essentially required for complete combustion of 3 moles 
of butane gas? 
 (1) 624 g  (2) 312 g 
 (3) 128 g (4) 64 g  
116. IUPAC name of 
H - C -  C -  H 
O O
 
 (1) Oxoethanal  (2) Glyoxal  
 (3) Ethanedial  (4) Ethanedione  
 
117. What is the mass of pure ethanoic acid required to neutralize 280 mL of 0.5 molar pure lime 
water completely?  
 (1) 60.4 g  (2) 30.2 g  
 (3) 16.8 g   (4) 8.4 g  
 
118. A metal sulphate has the formula MSO
4
. The phosphate of the same metal will have the 
formula  
 (1) ? ?
3 4
3
M PO (2) 
2 4
M PO 
 (3) ? ?
4
2
M PO (4) ? ?
3 4
2
M PO 
 
119. The mass of sodium chloride formed when 5.3 g of sodium carbonate is dissolve in 250ml of 
1
2
 molar HCI solution will be  
 (1) 5.85 g  (2) 7.32 g 
 (3) 11.7 g  (4) 58.5 g  
 
120. A gas mixture contains 50% helium and 50% methane by volume at S.T.P. What is the 
percentage by mass of the methane in the mixture? 
 (1) 20% (2) 40% 
 (3) 60% (4) 80% 
 
121. The German silver, an alloy, has the composition  
 (1) Cu + Sn + Zn  (2) Cu + Zn + Ni  
 (3) Cu + Ag + Zn  (4) Ag + Hg + Sn  
 
122. Out of the following, which is the incorrect statement?  
 (1) Adsorption is always an exothermic process 
 (2) The soap solution is not a colloidal solution below its CMC.  
 (3) ‘Argyrol” used in eye – lotion is a colloidal solution   
 (4) Gold number is the number of moles of gold formed in anode mud during copper refining.  
 
 
  
123. A mixture of non – reacting gasses contains hydrogen and oxygen gases in the mass ratio of 
1 : 4 respectively. What will be the molar ratio of the above two gases in the mixture? 
 (1) 16 : 1  (2) 1 : 4 
 (3) 4 : 1  (4) 1 : 6 
 
124. An element ‘X’ has the same number of electrons in the first and the fourth shell as well as in 
the second and the third shell. What is the formula and nature of its oxide?  
 (1) XO, Neutral   (2) XO
2
, Acidic  
 (3) XO
2
, Amphoteric     (4) XO, Basic  
 
125. Which of the following is not used as a food preservative?  
 (1) Alitame   (2) BHA 
 (3)  BHT     (4)  Na
2
SO
3
 
 
126. Match the column – I with column – II.  
 Column-I  Column-II 
(a) 0.5 mole SO
2
 gas (P) 10 moles of proton  
(b) 1 mole H
2
O (Q) 11.2 L at S.T.P  
(c) 96g of O
2
 gas (R) 2 moles 
(d) 88g of CO
2
 gas (S) 6 moles of atoms  
 (1) (a) – (R), (b) – (P), (c) – (Q), (d) – (S)   (2) (d) – (P), (c) – (Q), (b) – (R), (a) – (S) 
 (3) (a) – (P), (b) – (Q), (c) – (S), (d) – (R) (4)  (a) – (Q), (b) – (P), (c) – (S), (d) – (R) 
 
127. Choose the incorrect statement:  
 (1) lodine – value is a parameter to denote the degree of unsaturation of fatty acids.  
  (2)  Cholesterol is not present in plant fats  
 (3) Rancidity is a reduction process of oily food materials.       
(4) Tocopherol is an antioxidant.  
 
128. Iodine present in iodised salt in our diet is essential for   
 (1) Synthesis of insulin  (2) Synthesis of thyroxine 
 (3) Synthesis of adrenalin    (4) Synthesis of growth hormone  
 
129. Which of the following is not controlled by medulla in hind brain?   
 (1) Blood pressure  (2) Salivation  
 (3) Body Posture     (4) Vomitting  
 
130. The breakdown of glucose to pyruvate takes place in 
 (1) Mitochondria (2) Nucleus 
 (3) Lungs (4) cytoplasm 
 
131. The oxygen rich blood from lungs comes to the heart in 
 (1) Left atrium (2) Right atrium 
 (3) Right ventricle (4) Left ventricle 
 
132. Growth of pollen tube in the style towards the ovule in plants is an example of 
 (1) Geotropism (2) Hydrotropism 
 (3) Phototropism (4) Chemotropism 
 
133. The common passage of urine and sperm in human male is 
 (1) Seminal vesicle (2) Ureter 
 (3) Vas deferens (4) Urethra 
 
134. Out of the following, which enzyme is active in acidic medium  
 (1) Pepsin  (2) Trypsin 
 (3) Lipase (4) Amylase 
 
Page 5


 
  
NTSE STAGE – I  
(2016- 17 ) 
SCHOLASTIC APTITUDE TEST 
 
101. The distance travelled by a body falling freely from rest in 2nd, 3rd and 5th second of its 
motion are in the ratio  
 (1) 7 : 5 : 3 (2) 3 : 5 : 7  
 (3) 5 : 3 : 7 (4) 5 : 7 : 3  
 
102. Two extremes ends of a moving train (engine and guard coach) pass a pole with speeds U 
and V respectively with a constant acceleration. The speed with which the middle point of 
the train will pass the same pole is  
 (1) 
U V
2
?
 (2)  
2 2
V U
2
?
 
 (3) 
UV
2
 (4) 
2 2
U V
2
?
 
 
103. An athlete completes one round of circular track of radius r in 30s with uniform speed. The 
ratio of distance to the displacement traveled by the athlete at the end of 45s is  
 (1) 2r (2) 
2
r
3
 
 (3) 
3
2
? (4) 2 ? 
 
104. Five resistances of same value ‘x’ are joined in an 
electric circuit as shown in figure. The equivalent 
resistance between ends P and Q is 3 ? . The value 
of x  
 (1) 
1
5
?  
 (2) 
5
4
? 
 (3) 
21
4
? 
 (4) 
7
4
? 
 
 
105. A bomb of mass 9 kg initially at rest explodes into two pieces of masses 3 kg and 6 kg. If the 
kinetic energy of 3 kg mass is 216J, then the velocity of 6kg mass will be  
 (1) 4 m/s  (2) 3 m/s  
 (3) 2 m/s  (4) 6 m/s 
 
106. A glass rod is rubbed with silk, is found positively charged. This is because  
 (1) Electrons are transferred from glass rod to silk. 
 (2) Electrons are transferred from silk to glass rod.  
 (3) Protons are transferred from glass rod to silk   
 (4) Protons are transferred from silk to glass rod  
 
107. A ship rises up as it enters the sea from a river because  
 (1) Sea water is harder than river water   
 (2) Density of sea water is lesser than river water  
 (3) Large quantity of sea water pushes ship up 
 
  
 (4) Density of sea water is greater than river water  
108. Which are of the following represents the correct graph between L and T
2
 in simple 
pendulum?  
 
 
109. Which are of the following correctly depicts reflection. When two mirrors are inclined at an 
angle of 
o
50 ?  
 
 
 
110. Acceleration time graph of a body is shown below:  
           
 Which of the following velocity time graph of the same body  
 
111. A man of 80 kg mass stands on a weighting machine in a lift which is moving upwards with a 
uniform speed of 5m/s. The reading of the weighing machine will be. (Take g = 10 m/s
2
) 
 (1) zero (2) 400N 
 (3) 800N (4) 1200N 
 
 
  
112. An electric bulb marked 40W – 220V is connected with an electric supply of 110v. Its electric 
power is  
 (1) 100W (2) 40W 
 (3) 20W (4) 10W  
 
113. An overhead power transmission line carries a current from east to east directs as then 
magnetic field at a point 1. 5 cm north of the line is in 
 (1) North direction  (2) South direction  
 (3) Vertically upward  (4) Vertically downward  
 
114. Total internal reflection is not possible when ray of light travels from  
 (1) glass to water  (2) glass to air  
 (3) water to air  (4) water to glass  
 
115. How many grams of oxygen gas is essentially required for complete combustion of 3 moles 
of butane gas? 
 (1) 624 g  (2) 312 g 
 (3) 128 g (4) 64 g  
116. IUPAC name of 
H - C -  C -  H 
O O
 
 (1) Oxoethanal  (2) Glyoxal  
 (3) Ethanedial  (4) Ethanedione  
 
117. What is the mass of pure ethanoic acid required to neutralize 280 mL of 0.5 molar pure lime 
water completely?  
 (1) 60.4 g  (2) 30.2 g  
 (3) 16.8 g   (4) 8.4 g  
 
118. A metal sulphate has the formula MSO
4
. The phosphate of the same metal will have the 
formula  
 (1) ? ?
3 4
3
M PO (2) 
2 4
M PO 
 (3) ? ?
4
2
M PO (4) ? ?
3 4
2
M PO 
 
119. The mass of sodium chloride formed when 5.3 g of sodium carbonate is dissolve in 250ml of 
1
2
 molar HCI solution will be  
 (1) 5.85 g  (2) 7.32 g 
 (3) 11.7 g  (4) 58.5 g  
 
120. A gas mixture contains 50% helium and 50% methane by volume at S.T.P. What is the 
percentage by mass of the methane in the mixture? 
 (1) 20% (2) 40% 
 (3) 60% (4) 80% 
 
121. The German silver, an alloy, has the composition  
 (1) Cu + Sn + Zn  (2) Cu + Zn + Ni  
 (3) Cu + Ag + Zn  (4) Ag + Hg + Sn  
 
122. Out of the following, which is the incorrect statement?  
 (1) Adsorption is always an exothermic process 
 (2) The soap solution is not a colloidal solution below its CMC.  
 (3) ‘Argyrol” used in eye – lotion is a colloidal solution   
 (4) Gold number is the number of moles of gold formed in anode mud during copper refining.  
 
 
  
123. A mixture of non – reacting gasses contains hydrogen and oxygen gases in the mass ratio of 
1 : 4 respectively. What will be the molar ratio of the above two gases in the mixture? 
 (1) 16 : 1  (2) 1 : 4 
 (3) 4 : 1  (4) 1 : 6 
 
124. An element ‘X’ has the same number of electrons in the first and the fourth shell as well as in 
the second and the third shell. What is the formula and nature of its oxide?  
 (1) XO, Neutral   (2) XO
2
, Acidic  
 (3) XO
2
, Amphoteric     (4) XO, Basic  
 
125. Which of the following is not used as a food preservative?  
 (1) Alitame   (2) BHA 
 (3)  BHT     (4)  Na
2
SO
3
 
 
126. Match the column – I with column – II.  
 Column-I  Column-II 
(a) 0.5 mole SO
2
 gas (P) 10 moles of proton  
(b) 1 mole H
2
O (Q) 11.2 L at S.T.P  
(c) 96g of O
2
 gas (R) 2 moles 
(d) 88g of CO
2
 gas (S) 6 moles of atoms  
 (1) (a) – (R), (b) – (P), (c) – (Q), (d) – (S)   (2) (d) – (P), (c) – (Q), (b) – (R), (a) – (S) 
 (3) (a) – (P), (b) – (Q), (c) – (S), (d) – (R) (4)  (a) – (Q), (b) – (P), (c) – (S), (d) – (R) 
 
127. Choose the incorrect statement:  
 (1) lodine – value is a parameter to denote the degree of unsaturation of fatty acids.  
  (2)  Cholesterol is not present in plant fats  
 (3) Rancidity is a reduction process of oily food materials.       
(4) Tocopherol is an antioxidant.  
 
128. Iodine present in iodised salt in our diet is essential for   
 (1) Synthesis of insulin  (2) Synthesis of thyroxine 
 (3) Synthesis of adrenalin    (4) Synthesis of growth hormone  
 
129. Which of the following is not controlled by medulla in hind brain?   
 (1) Blood pressure  (2) Salivation  
 (3) Body Posture     (4) Vomitting  
 
130. The breakdown of glucose to pyruvate takes place in 
 (1) Mitochondria (2) Nucleus 
 (3) Lungs (4) cytoplasm 
 
131. The oxygen rich blood from lungs comes to the heart in 
 (1) Left atrium (2) Right atrium 
 (3) Right ventricle (4) Left ventricle 
 
132. Growth of pollen tube in the style towards the ovule in plants is an example of 
 (1) Geotropism (2) Hydrotropism 
 (3) Phototropism (4) Chemotropism 
 
133. The common passage of urine and sperm in human male is 
 (1) Seminal vesicle (2) Ureter 
 (3) Vas deferens (4) Urethra 
 
134. Out of the following, which enzyme is active in acidic medium  
 (1) Pepsin  (2) Trypsin 
 (3) Lipase (4) Amylase 
 
 
  
135. Bowman capsule is found in 
 (1) Small intestine (2) Kidneys 
 (3) Heart (4) Brain 
 
136. “Khadins” are used in Rajasthan to 
 (1) Check soil erosion (2) Recharge ground water 
 (3) Promote soil erosion (4) Trap wild animals 
 
137. Which of these is ‘not’ a reflex action? 
 (1) Salivation on smell of food  
 (2) Secretion of sweat  
 (3) Blinking of eye in strong light  
 (4) Withdrawal of hand on touching hot object.  
 
138. A food chain comprising of a snake, grass, frog and insect, the secondary consumer is 
 (1) Insect (2) Snake 
 (3) Frog (4) Grass 
 
139. Identify the inherited trait from the following:  
 (1) Colour of seed of garden pea  
 (2) Developed musculature of a wrestler  
 (3) Singing ability of a person.  
 (4) Darkening of skin due to exposure to sunlight 
 
140. Which of the following disease cannot be sexually transmitted.  
 (1) Cholera (2) HIV / AIDS 
 (3) Syphilis (4) Gonorrhoea 
 
141. The simplified form of the expression given below is 
                   
4 4 3
2 2
y x y
x(x y) x
y xy x
?
?
?
? ?
 
 (1) 1 (2) 0 
 (3) –1 (4) 2 
 
142. If 
4xy
a ,
x y
?
?
 the value of 
a2x a2y
a2x a2y
? ?
?
? ?
 in most simplified form is 
 (1) 0 (2) 1 
 (3) –1 (4) 2 
 
143. If 
2
x bx m 1
,
ax c m 1
? ?
?
? ?
 has roots which are numerically equal but of opposite signs, the value of 
m must be 
 (1) (a – b) / (a + b) (2) (a + b) / (a – b) 
 (3) c (4) 
1
c
 
144. In the set of equations z
x
 = y
2x
, 2
z
 = 2.4
x
  ;  x + y + z = 16, the integral roots in the order  
x, y, z = 16, 
 (1) 3, 4, 9 (2) 9, –5, 12 
 (3) 12, –5, 9 (4) 4, 3, 9