SCEINCE COLLEGE

  Paper      chemistry       2^nd year      (objective) Time 20min Total marks 34

Multiple choice questions.     

Melting and boiling points of halogens are increased.A above the group

B   down the group C   from left to right periods D     from right to left periods

11.  Mark the correct statement. A. cl ^–     ions and cl atoms are Equal   in size.B Na ⁺ is large than NA   atom.C        Na⁺ is smaller that Na atom,

D   cal^{+ is} smaller than cl atom.

111.  Na→na ⁺ + e^{- A} i=738kjmol^-1      B     i=1451 kj mol^-1C i= 496 kjmol^-1    D i= 8114 kjmol^-1

1v.Remo0val of ectetron is known as A reduction   B   oxidation C  absorption     D  b and a.

V. the period ………..and ……….are called long period.A  3 and  4  B  4 and 5 C  1  and  6  D  7and 8

V1.  2Na +2H₂o→H _{2 +}   ? A  Na₂oH   B   NaoH2 C 2Na oH   D 2(Noah) V11. Whose elements are called transition elements? A d and y block B     pand s-block     C s  and   y block   D   d  and s   block

V111 keeping in view the size of atoms, which order is the correct one.

A  mg   >5r   B    ba>mg c   Lu>  C  e   D  >i

1x. sp3     B sp ²    C 5p    D dsp3

X. in l-butyl alcohol, the tertiary carbonm is bonded to A two  hydrogen atoms  B   three hydrogen atom.C.  one hydrogen atom.D  no hydrogen atom x1.which  set of hybrid orbitas has planer triangular shape.A  sp ³ B  sp   C   sp ²  D   dsp²

X11.  select from the following the one which is alcohol.

A  ch₃----ch₂-----oh   B  ch₃------o----ch₃  C _CH3COOH D ch₃ –ch₂----br

X111. Ether show the phenomenon of A   position isomerism B functional group isomerism C metamerism  D   cis-  trans  isomerism

X1v. a double bond consists of  A   two  sigma bonds B  one sigma and one pi bond C  one sigma and two pi bonds  D  two pi bonds

xv.The  PH raqnge of acid rain is.A  7----6.5 B   6.5---6  C  6----5.6  D  less  than   5

Xv1.  Ecosystem is a smaller unit of A lithosphere B   hydrosphere   C atmosphere D bioshere

Xv11.A single chloride free radical can des troy how many ozone molecules.

A  100    B   10, ooo   C  10,oooo D   10

  

SCIENCE COLLEGE

 PAPER CHEMISTRY 2ND YEAR SUBJECTIVE TIME2:30HR    MARKS.  100

Attempt any 22   questions                                                      (44)

1.     How is oil spillage affecting the marine life?

2.     how detergent s are threat to aquatic animal life?

3.     Explain how pesticides are dangerous to human beings?

4.     what are leachets?

5.     what is crude oil?

6.      write the fomula of 2—methylpropane and also define the isomerism .

7.     Define cist trans isomers and also  write their formulas. .

8.     Explain the process of incineration industrial waste?

9.     discuss industrial waste effluents?

10. why is ozone layer depleting?

11. what is orbital  hybridization.

12. how organic compounds are classified.

13. why is ethane  an important industrial chemical?

14. write are homocyclic and  heterocyclic compounds?

15. write a few lines on cracking of hydrocarbons?

16. Explain the importance of WOHLER’S work in the development of organic chemistry ?

17. why the oxidation state of noble gases in usually Zero.

18. why d   and f---block elements are called transition elements.

19. why the oxidation states vary in  a period but remain almost constant in a  group.

20. Why  diamond is a non  conductor  and  graphite is fairly  a good conductor.

21. why ionic character of halides decreases from left to right in  a period.

22. why alkali metal give ionic hydrides.

23. define weed killers.

24. explain lanthanides.

25. Define Knoking and cracking.

ATTEMPT ANY TWO   QUESTIONS   12*2=24

    Q1.what is orbital hybridization? Explain sp³, sp² and sp modes of hybridization of carbon?

 Q2.  what is smeg? Eplain the pollutants which are the main cause of photochemical?

Q3.  how the classification of clements in different blocks helps in understanding the chemistrt?

First Year

              

               Business Math              (Subjective part)

    

               Time : 01:30 hours             Marks : 50

                

                                SECTION- 1

2.      Write short answers of any twelve (12) parts of the following :

(1)   Define proportion   (2) Different types of proportion (03) Define ratio

(04)Reduce to its lowest terms 54 : 81 (05)Define an equation  (06) Define linear equation (07) Define  transposition (08) Eight time a number is 480 what is the number  (09) How many root are in a linear  equation ? (10)If ¼ of an amount is  50 find amount .(11) Define the binary number system (12)  Define decimal number system (13) Define Arabian  number system (14)  Define octal number system  (15) Define matrix  (16) Define order of matrix with example  (17) Define column matrix (18)  Define row matrix

                             

    section – 11  Attempt any two questions each Qus.. Carries 08 Marks

  3.(a) contractor agreed to mix gravel; sent and cement in the ratio  8 :5 : 3 in concrete work he used 48000 lbs of mixture in completed of work what is the quantity of each material used ?

(b) (110111)* (10101) base two                                             ( 04+04)= 08

04 (a) 2x-6y = -12

          3x -2 y = - 4

     Solve the following sets of equations with the help of Cramer’s rule

  

(b) 5x +6y =6

     3x – 4y =5

                      Solve the equation                                           (04+04) =08

 05. (A) solve for x,

           x – (x+1) = 2x – (2x + 3)

(b)  Find four consecutive integers whose sum is   106

 (04 +04) =08

Objective

  Q# 01       possible answer are given to each statement tick the correct one     10

       

   (1)   If a matrix contains single column and four row it is called.

          1. Column matrix 2. Row matrix 3.Null matrix 4. Square matrix

  02.  The transpose of a row matrix is a

             1. Row matrix 2. Column matrix 3. Zero matrix 4. Unit matrix

   03         The addition of binary number (11)2 + (10)2 is

             1. (100)2          2. (110)2            3.  (101)2       4. (111)2

04.  (101)2  *(111)2 is

       1. 10011)2     2. 100111)2        3. 101111)2    4. 100001)2

05   conversion of (1111)2   into decimal number is

    1. 10               2. 15               3. 20          4. 25

06.  A linear equation always has

       1. Two root 2.   No root         3.     Three   root          4. One root

07 A linear equation in one or more variable has exponent

 

 1. Zero         2.        One             3. Two            4.         Three

 08.  x: 5 :: 12 :30 is

  1. 3               2. 12      3.   2       4.          20

  09.  (a -4 ) : a = ( a+8 ) : ( a+4 )

 1 .4      2.           -1              03. – 08           04.         -2

  10. (111)2 + (100)2 is

  1.     1001               2. 1010              3.           1011              4.           01110

Science college Toba tek singh 

                                                 

First Year                                 Principles of Accounting                     (Subjective part)

Time:   02:30 Hours                                                                                               Marks:80

                                                  Section -1

2.       Write short answer of any twenty five (25) parts of the following:

1.  Different kinds of business?                       2. What is capital?

3.  What is the debit balance of the account?   4. What are intangible assets?

5.  Define drawing?                                      6. What is journal?

7. Define book keeping.                                 8. Advantages of ledger.

9. Define trail balance.                                  10.     What is the balance of account?

           11. Define insolvency.                                    12.    What is meant by due date?

           13. What is cheque?                                      14.      What is current account?

           15.  What is cash book?                                 16.      What is cheque book?

           17.   What is bank?                                       18.     Define contra entry.

           19.   Define balance sheet.                             20.  What is wages and salary?

           21.   Define fixed assets.                                 22.  What is adjustment?

           23.    Define depreciation.                               24.  What is interest?

           25.  What are tangible assets?                          26.  What are accounting period?

           27. What are debtors?                                    28.     What are creditors?

           29.  What is entry?                                          30.  What is accounting?

           31.  What is transaction?                                  32.   What is narration?

           33.   What is discount?                                 34.  What is sale?

          35. What are bad debts?                               36. What are liabilities?

                                                         Section – 11

Attempt any three questions. Carries equal (8) Marks.

3.       Kamir start business with cash Rs 1,00,00

     a. Purchase goods for cash   Rs 50,000

     b. Sold goods to saleem Rs. 10,000.

     c. Brought office furniture Rs. 5000.

     d. Paid rent Rs 2000.

     e. Received commission Rs 1000

     f. Received cash from saleem Rs 5000.

Required: Prepared journal, ledger and trail balance.          (10+10+10)

4.       Entry the following transaction in the simple cash book.       (10)

2006                                                                                                         Rs

Jan.    1                    Cash in hand                                                          10,000

           5                    Received cash from saleem                                    500

          6                    Paid to jamil &co                                                  200

          7                    Brought furniture for cash                                      1000

         10                   Paid rent                                                              500

         12                   Cash sale                                                             700

         15                  Received commission                                              100

        20.                  Paid salary for the month                                         1000

5.        Following is the trail balance of Aamir and co. on 31^st December 2009.      (10)

                                                                                         Rs                                Rs

           Opening stock                                                        3800

           Purchases                                                              12900

           Debtors                                                                14895

           Plant and machinery                                                1140

           Return outward                                                                                        400

           Salaries                                                                 470

           Rent and taxes                                                        352

           Repair                                                                    100

           Wages                                                                     2580

           Drawing                                                                 1260

           Capital                                                                                                    10,000

            Bank                                                                       850

            Sales                                                                                                      17406

            Cash                                                                       259

           TOTAL                                                                   38606                        38606

Adjustments:

           A.    Closing stock   Rs. 2050                   b.   Repair payable Rs 50

           c.     Wages payable Rs. 660                    c.   Depreciation of plant 10%

           d.     Interest on capital 5%

Science college Toba tek Singh                         

First Year                                                                                                         Accounting

 [Objective]                                                                                                        Marks: 20

1.        any activity undertaken for the purpose of earning profit is called:

a.      Dealing                b.         Performance           c.  Business

     2.     Book keeping provides the:

             a.     secondary information   b.   Primary information    c.    Final

     3.     Modern system of book keeping is:

            a.     single entry system  b.      Double entry system         c.        Both

     4.     Goods return by the customer is known:

           a.    Sale returns            b.   Purchase returns     c.        Return outward

     5.    Properties owned by business are known as:

           a.    Assets               b.  Incomes                      c.     Liabilities

    6.     Cash discount is provided on:

           a. Sale             b.         Purchases              c.       Payment for due date

    7.     Obligation of the business is known as:

           a. Expanse            b.          Assets         c.           Liabilities

    8.     The owner of the business is known as:

           a.         Proprietor                  b.           Sales man        c.       Agent

    9.    Assets, which physical existence, is called:

          a. intangible asset           b.   Tangible asset            current asset

   10.  Accounting is a language of:

          a.         Computer             b.   Business                  c.         University

11.    A parson from whom credit Purchase is made is called:

          a.     Debtor        b.     Creditor                c.          Banker

   12.    A parson who owes money to the business is called:

         a.     creditor                b.          Debtor         c.           Owner

   13.   Stock in trade is a:

         a.         Fixed assets                 b.        Quick assets             c.         Current assets

   14.    Nominal account is related to:

             a.          Assets                      b.        Expanse losses and income     c. debtors

  15.    Personal account is related to:

            a.         Asset and liabilities          b.  Debtors and creditors        c.       Expanse

  16.    Real account is related to:

            a.       Assets       b.         Expanse         c.             Creditors

  17.     Purchase of building for cash related to:

           a. Personal account          b.        Real account   c.   Nominal account

  18.    The person who owed money is:

          a.         A creditor’s        b.   A debtor’s              c.             An agent

  19.     Discount allowed is:

           a.   An assets    b.   An expanse            c.     An income

  20.     Cash sale to Mr. Aftab should be debited to:

          a.        cash a/c               b.     Mr. Aftab a/c           c.     Sale a/c