1. A
   $F = m\left(\frac{du}{dt}\right)$
2. B
   $F = mg$
3. C
   $F = m\left(\frac{dy}{dt}\right)$
4. D
   $F = -mg$

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1. A
   $P_A > P_B > P_C$
2. B
   $P_A < P_B < P_C$
3. C
   $P_A = P_B = P_C$
4. D
   $P_A < P_B = P_C$

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1. A
   Zinc
2. B
   Silver
3. C
   Gold
4. D
   Aluminum

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1. A
   Particles are uniformly distributed throughout the solution
2. B
   Colloidal solution is homogenous in nature
3. C
   They show Tyndal effect
4. D
   They do not settle down when kept undisturbed

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1. A
   Sublimation
2. B
   Separating funnel
3. C
   Fractional distillation
4. D
   Compressing and cooling

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1. A
   Circle with P inside
2. B
   Circle with L inside
3. C
   Circle with + sign (circled cross)
4. D
   Circle with three-spoke symbol

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1. A
   1 only
2. B
   1 and 2 only
3. C
   1, 2 and 3
4. D
   2 and 4

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1. A
   1, 2 and 3
2. B
   2 and 3 only
3. C
   1 and 3 only
4. D
   None of the above

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1. A
   1 and 2 only
2. B
   1, 2 and 3
3. C
   2 and 3 only
4. D
   3 only

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1. A
   V.K.R.V. Rao
2. B
   Sukhamoy Chakravarty
3. C
   P.C. Mahalanobis
4. D
   John Mathai

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1. A
   Maski
2. B
   Bahapur
3. C
   Bairat
4. D
   Sahasram

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1. A
   1 – 3 – 4 – 2
2. B
   2 – 4 – 1 – 3
3. C
   4 – 3 – 1 – 2
4. D
   3 – 1 – 2 – 4

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1. A
   Mt. Fuji
2. B
   Alps
3. C
   Andes
4. D
   Rockies

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1. A
   Aridisols
2. B
   Histosols
3. C
   Oxisols
4. D
   Vertisols

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1. A
   Bhopal
2. B
   Itarsi
3. C
   Gwalior
4. D
   Jhansi

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1. A
   British type Climate
2. B
   Mediterranean Climate
3. C
   China type Climate
4. D
   Monsoon Climate

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1. A
   Bokaro steel plant is located in Damodar river basin
2. B
   Jamshedpur steel plant is located on the confluence of Damodar and Barakar
3. C
   Salem steel plant is located on the bank of Kaveri River
4. D
   Bhilai steel plant obtains water from Tandula reservoir

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1. A
   4
2. B
   3
3. C
   2
4. D
   1

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1. A
   Rice
2. B
   Wheat
3. C
   Bajra
4. D
   Cotton

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1. A
   Saharanpur : Paper industry
2. B
   Chanderi : Cotton textile industry
3. C
   Bhadohi : Carpet industry
4. D
   Raniganj : Iron and steel industry

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1. A
   Linear distance-time graph starting from origin
   
2. B
   Linear distance-time graph not starting from origin (positive intercept)
   
3. C
   Linear distance-time graph with negative slope
   
4. D
   Curved (parabolic) distance-time graph
   

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1. A
   Sound is an electromagnetic wave and transverse in nature
2. B
   Sound is a mechanical wave and longitudinal in nature
3. C
   Sound is a mechanical wave and transverse in nature
4. D
   Sound is an electromagnetic wave and longitudinal in nature

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1. A
   10 m/s
2. B
   20 m/s
3. C
   30 m/s
4. D
   40 m/s

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1. A
   Refraction
2. B
   Diffraction
3. C
   Interference
4. D
   Polarization

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1. A
   1
2. B
   2
3. C
   3
4. D
   None

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