VAS Pakistan

Exams Models

                                                                                                                                                                                                                                                                 

BIOLOGY SSC 1

Section I-Objective

Q.1.Circle the correct answer.   11 X3 =33

Compulsory

Section II–Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts.

  1. Define the following terms (a) Histology (b) Biotechnology (c) Biochemistry.
  2. Write a short note on any one of the following-Jabir bin Hayyan or Bu Ali Sina.
  3. What is biosphere level?
  4. What are the main Charecteriscs of hypothesis?
  5. Define Theory, Law  And Principle
  6. Define biodiversity, species, and deforestation.
  7. What are aims of classification?
  8. Write down the scientific name of the   Onion, Star Fish House crow.
  9. Write a note on Marco Polo sheep or Houbara Bustard?
  10. Write three main differences  between  electron  microscope  &  light  microscope/
  11. Write three main differences between   cell wall   &   cell membrane?
  12. Draw and label the   Fluid Mosaic Model of cell Membarane.
  13. Write three main differences between   prokaryotes & eukaryotes?
  14. Define   Phagocytosis, pinocytosis and exocytosis.
  15. Pepsin is enzyme that digests proteins in stomach. The stomach is made up of protein but why why the pepsin does not digest   stomach?

Section III– LONG  Question

  1. (a)Write five differences between Mitosis & Meiosis.

(b) Write five differences between Apoptosis & Necrosis.

  1. (a)Define the Terms with example 1. Enzyme .2. Activation energy 3. Substrate.

4-Intra cellular enzymes 5- Extra cellular enzyme. 6.-Co Factors.

(b) Write short note on 1. Kwashikor .2. Marasmus 3. Goiter.4. Anemia. 5. Drought.

  1. (a) Define vitamins .write a detail note on write a short note on  vitamin D

(b) Write down the name of enzymes used in mouth –stomach- small intestine.

Best wishes for hard working students





Chemistry SSC I

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    Mr.Zeshan. 

Compulsory 

Section II-Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. Define the following terms

(a) Biochemistry     (b) Environmental chemistry    (c) Atomic number.

  1. Define Free radical. What is difference between Ion & Free radical?
  2. Explain the branch of chemistry that deals with the  following examples
  3. Dynamite (C3 H5 N3 O9) Explodes to Form A Mixture Of Gases.
  4. Ice floats on water.
  5. Sulphur di oxide is the major source of acid rain.
  6. Write down the conclusions of Ruther ford atomic model.
  7. Define Gram Atomic Mass, Gram Molecular Mass & Gram Formula Mass.
  8. Write down the any five uses of isotopes?
  9. Define the following terms; (a) Shell (b) Subshell (c) Electronic configuration.?
  10. Write  down the electronic configuration of the following elements

(a)  28 14Si         (b)    2412Mg               (c)   2713Al.                  (d)   4018Ar?

  1. Write a short note on

(a) Shielding Effect        (b)    Electronegativity       ?

  1.  Write a short note on intermolecular forces?
  2. . Define Compressibility, Mobility & Density.
  3. Define saturated, unsaturated & supersaturated solutions?
  4. Define Solubility, Suspension, & Colloids with examples.
  5. Define the followings 1. Oxidation 2.Oxidising & reducing agents 3. Oxidation state.
  6. Define the followings 1.Alakali metals 2.Alkaline earth metals. 3. Electro negative character?

Section III– LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a) Write a detail note on Bhor, s Atomic Theory.               (1+2+2)=5.

(b)  Define 1.Empirical Formula 2.Molecular Formula.     (1.5×2) =3

  1. (a)  State & Explain The Boyel,s Law of Ideal Gases.?                                                 5
  1. b).Define Allotropy.  Explain With Examples.                                                             3
  1. (a) Sketch a Daniel Cell labeling the cathode , anode and direction of the  flow of the electrons,                                                                                                                            3

(b) Write short note on zinc plating & corrosion of aluminum.      (2.5 x 2 )    5

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com

Best Wishes for Hard Working Students





Chemistry SSC I

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    ___________. 

Compulsory

Section II-Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. Define the following terms3b

(a) Biochemistry     (b) Analytical Chemistry    (c) Atomic number.

  1. Indigo Dye (C16 H10 N2 O2) is used to color blue jeans. It is derived from (C8H7ON). Calculate the molar masses   of these compounds and write their empirical formulas. (At masses( C =12,H =1.O=16, N =12
  2. Define Free radical. What is difference between Ion & Free radical?
  3. When natural gas burns CO2 is formed. IF 0.25 mole is formed. What mass of CO2 IS produced?
  4. Before the digestive systems X-Rayed, people are required to swallow suspensions of Barium Sulphate ( BaSO4 ).Calculate mass of one  mole of (BaSO4 ).
  5. Write differences between crystalline solid & amorphous solids.
  6. Write down the any five uses of isotopes?
  7. Define the following terms; (a) True Solution (B) Colloidal Solution (C) Super Saturated Solution.?
  8. Write down the electronic configuration of the following elements (a)  28 14Si         (b)    2412Mg               (c)   2713Al.                  (d)   4018Ar?
  9. Write the rules for assigning oxidation state?
  10. Using electron dot product & cross product structure write down the equation for the formation of ionic bond between Mg and O?
  11. . Define group & period what are the elements of group VIIIA. Why they are so called?
  12. Define Octet Rule, Duplet Rule & Chemical bond?
  13. Differentiate between ionic & covalent bond.          4
  14. Define the followings 1. Oxidation 2.Oxidising & reducing agents 3. Oxidation state.
  15. Define evaporation. Write a short  note on vapour pressure 1

Section III- LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a) Write a detail note on Bhor, s Atomic Theory.                                     (1+2+2)=5.

(b)  Explain Hydrogen bonding. Draw a hydrogen bonding in water                      3

  1. (a) With the help of a  neat  and clean diagram  explain the manufacture of  sodium metal from  fused  sodium chloride  by Downs cell?                                                 5
  1. b) .Define Allotropy.  Explain With Examples.                                          3
  1. (a) Write down the uses of electrolytic cells.                                                                4.

(b) Write short note on zinc plating & corrosion of aluminum.      (2.5 x 2)    5

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com





Chemistry SSC II

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33   Mr. 

Compulsory

Section II–Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. Define the following terms

(a) Biochemistry (b) Environmental chemistry (c) Atomic number.

  1. Define free radical. What is difference between Ion & Free radical?
  2. Explain the branch of chemistry that deals with the  following  examples
  3. Dynamite (C3 H5 N3 O9) Explodes To Form A Mixture Of Gases.
  4. Ice floats on water.
  5. Sulphur di oxide is the major source of acid rain.
  6. Write  a note on saturated  & unsaturated  hydrocarbon.
  7. Define Gram Atomic Mass, Gram Molecular Mass & Gram Formula Mass.
  8. What is PH scale?
  9. What are Basic salts?
  10. Write a note where Ammonia acts as a base in water?
  11. Write three main differences between Acids, Salt, & Basic salt?
  12. Define Functional group; write down any three functional groups with their formulas?
  13. Define Water Borne disease. Write short note on Cholera or Typhoid.
  14. Write three main differences between DNA & RNA?
  15. Define Vicinal Di-Halides, Hydrogenation & Dehydrogenation.
  16. Define the followings 1. Le-Chaltier,s, Principle 2.Isomerism. 3. Oligosaccharides.?

Section III– LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1.   (a)Define vitamins, write a detail note on Fat soluble vitamins & Water soluble vitamins.                                                                                                                   (1+2+2)=5

(b) Define the followings     1. Minerals .    2. Ore.     3. Metellurgy               (1×3) =3

  1. (a) Write down the advantages of Solvay’s  process.?                                                   3

(b) . Write a detail note closed chain or cyclic compounds. Also write down the formula of Benzene, Pyridine, Furan, Thiophene.                                                                        5

  1. (a) Write down the uses of organic compounds                                                            3
  2. (a)Write five differences between Mitosis & Meiosis.

(b) Write five differences between Apoptosis & Necrosis.

  1. (a)Define the Terms with example 1. Enzyme .2. Activation energy 3. Substrate.

4-Intra cellular enzymes 5- Extra cellular enzyme. 6.-Co Factors.

(b) Write short note on 1. Kwashikor  .2. Marasmus 3. Goiter.4. Anemia. 5. Drought.

  1. (a) Define vitamins .Write a detail note on write a short note on  vitamin D

(b) Write down the name of enzymes used in mouth –stomach- small intestine.

Best wishes for hard working students





Chemistry SSC II

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    Mr.Sayyam

Compulsory

Section II–Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. Define the following terms

(a) Catalyst (b) Reversible Reactions (c) Active Masses.

  1. Write a short note on any one of the following 1.Haber Process.2. Contact process.
  2. What is acid rain?
  3. What are Lipids?
  4. Write a note on saturated & unsaturated hydrocarbons.
  5. Define Lewis acid, Lewis base & Bronsted acid.
  6. What is PH scale?
  7. What are Basic salts?
  8. Write a note where Ammonia acts as a base in water?
  9. Write three main differences between Acids, Salt, & Basic salt?
  10. Define Functional group; write down any three functional groups with their formulas?
  11. Define Water Borne disease. Write short note on Cholera or Typhoid.
  12. Write three main differences between DNA & RNA?
  13. Define Vicinal Di-Halides, Hydrogenation & Dehydrogenation.
  14. Define the followings 1. Le-Chaltier,s, Principle 2.Isomerism. 3. Oligosaccharides.?

Section III– LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a)Define vitamins, write a detail note on Fat soluble vitamins & Water soluble

vitamins.                                                                                                           (1+2+2)=5

(b) Define the followings     1. Minerals .     2. Ore.     3. Metellurgy               (1×3) =3

  1. (a) Write down the advantages of Solvay’s  process.?                                                 3
  1. b).Write a detail note closed chain or cyclic compounds. Also write down the formula of Benzene, Pyridine, Furan, Thiophene.                                                                        5
  1. (a) Write down the uses organic compounds                                                               3

(b) What is halogenation? Write down the chemical reactions of Cl (Chlorine) in the diffused sun light.                                                                                                              5

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com

Best Wishes for Hard Working Students





Chemistry SSC II

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    Mr.

Compulsory

Section II-Short  Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. Define the following terms
  2. Carboxyclic acids- a functional group (b) Reversible Reactions (c) Active Masses.
  3. Write a short note on Haber process.
  4. 2. What is importance of KW?
  5. State Condition of Equilibrium?
  6. What are differences between fat & oil?
  7. What happens when methane is treated with chlorine in the presence of  bright sun light (just write down a final  & single line reaction/ equation .
  8. Define Lewis acid, Lewis base & Bronsted Base.
  9. What are Acidic salts?
  10. Write a note on neutralization. Also write down the equation?
  11.  Define salt and write its composition?
  12.  Define 1. Catenation. 2 Isomerism. 3. Destructive Distillation.4 Organic Chemistry (0.75 x 4)=3
  13. Write down any three functional groups with their formulas?
  14. Write three main differences between DNA & RNA?
  15. List out main steps of Solvay’s process.
  16. Define the followings 1. Le-Chaltier,s, Principle 2. Scum. 3. Metallurgy       ?
  17. Draw and label the flow sheet diagram for manufacture of Urea.

Section III- LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a) Differentiate between stratosphere and troposphere.    3
  1. b) Describe completely the fractionally distillation of petroleum.   5
  1. (a)Distinguish between Mono, Di & Trisachrides. Also give suitable examples.(1+2+2)=5

(b) Write down the properties of alkenes.                                                                     (1×3) =3

  1.  (a) Differentiate between hard water & soft water.   3

(b) Describe the following with examples (a) Smelting (b) Floatation Process. (2.5+2.5)= 5

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com

Best Wishes for Hard Working Students





Physics SSC I

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    MS. ZOYA

Compulsory

Section II-Short Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. What type of waves does not require any material medium for their propagation?
  2. A pendulum is of length 0.99 m is taken to the moon by an astronaut. The period of the pendulum is 4.9 sec. What is the value of g on the surface of moon?
  3. Differentiate between Noise & Sound with examples?
  4. Write down the five uses of Ultra sound in technical field.
  5.  Define the following terms:

(a) Centre of curvature   (b) Focal length (c) Principal Axis & Principal Focus.

  1. Write two differences between convex lens  & concave lens
  2. What is the lens formula or lens equation?
  3. Define potential difference & capacitance   . Also write their units?
  4. If we double the distance between two charges, what will the change in the force between the charges?
  5. What is difference between electrostatic current & conventional current?
  6. Define the followings 1. Potential difference, 2.Electromotive force. 3. Ohm’s Law?
  7.  State/ Define the followings 1. Lenz’s Law 2.Right Hand Rule. 3. Henry?
  8. . Define the Terms 1.Logic function or logistic operations 2.Transmiter. 3. Photophone.
  9. Write three differences between Primary Memory & Secondary Memory.
  10.  Define the followings 1. Atomic number or charge number 2.Radioactivity. 3. Ionization?

Section III– LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a) Explain that motion of  mass attached with a spring is  SHM                  4.5

(b) A simple pendulum completes   one vibration in two seconds. Calculate its length when g= 10 ms-1                                                                                                                                                         1.5

(c) Define   1.Time Period.     2. Frequency.  3. Amplitude 4.Compressions (0.50×4) =2

  1. (a) Derive a relation between loudness of sound & intensity of sound. ?                 2

(b) .  State/Define 1. The Law of Reflection of Light.   2. Total Internal Reflection.

Angle Of Refraction 4. Critical angle                                                              (1×4).  4

(c)find  the focal length  of a mirror  that  forms  an image  5.66 cm behind a  mirror  of an object  placed in front of the  mirror? OR Define Farsightedness. Also explain its reason.        2

  1.  (a) State & explain Coulomb’s, Law of electrostatics & write its mathematical form.  3

(b) Write down the characteristics of parallel capacitor or resistor.                                  2

(c) Write down the properties of alpha rays & gamma rays.                                              2

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com

Best Wishes for Hard Working Students





Physics SSC II

Section I-Objective

Q.1.Circle the correct answer.   11 X 3 =33    MS. ZOYA

Compulsory

Section II-Short Question

Q.2. Attempt Any 11 Out Of 15 Parts. (The answer should not exceed 3 to 4 lines).

  1. What type of waves does not require any material medium for their propagation?
  2. A pendulum is of length 0.99 m is taken to the moon by an astronaut. The period of the pendulum is 4.9 sec. What is the value of g on the surface of moon?
  3. Differentiate between Noise & Sound with examples?
  4. Write down the five uses of Ultra sound in technical field.
  5.  Define the following terms:

(a) Centre of curvature   (b) Focal length (c) Principal Axis & Principal Focus.

  1. Write two differences between convex lens  & concave lens
  2. What is the lens formula or lens equation?
  3. Define potential difference & capacitance   . Also write their units?
  4. If we double the distance between two charges, what will the change in the force between the charges?
  5. What is difference between electrostatic current & conventional current?
  6. Define the followings 1. Potential difference, 2.Electromotive force. 3. Ohm’s Law?
  7.  State/ Define the followings 1. Lenz’s Law 2.Right Hand Rule. 3. Henry?
  8. . Define the Terms 1.Logic function or logistic operations 2.Transmiter. 3. Photophone.
  9. Write three differences between Primary Memory & Secondary Memory.
  10. Define the followings 1. Atomic number or charge number 2.Radioactivity. 3. Ionization?

Section III– LONG  Question

Note: Attempt any two questions all questions carry equal marks. 2×8=16

  1. (a) Explain that motion of  mass attached with a spring is  SHM                  4.5

(b) A simple pendulum completes   one vibration in two seconds. Calculate its length when g= 10 ms-1                                                                                                                                                         1.5

(c) Define   1.Time Period.     2. Frequency.  3. Amplitude 4.Compressions (0.50×4) =2

  1. (a) Derive a relation between loudness of sound & intensity of sound. ?                 2

(b) .  State/Define 1. The Law of Reflection of Light.   2. Total Internal Reflection.

Angle Of Refraction 4. Critical angle                                                              (1×4).  4

(c)find  the focal length  of a mirror  that  forms  an image  5.66 cm behind a  mirror  of an object  placed in front of the  mirror? OR Define Farsightedness. Also explain its reason.        2

  1. (a) State & explain Coulomb’s, Law of electrostatics & write its mathematical form.  3

(b) Write down the characteristics of parallel capacitor or resistor.                                  2

(c) Write down the properties of alpha rays & gamma rays.                                              2

————–xox——————

Under the supervision of Mohammad Azher Janjua-cell 0333-557-1026

(Bio-Medical Research Scientist) VMRC, www.vaspakistan.com

Best Wishes for Hard Working Students.

VAS OFFICERS CLUB

Current Amount: _________ Buddy: _____________

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Date: ______18  Day: ______ Station: ____________

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