Paper 16, General Science and Ability CSS Test Session for CSS Examination 2021, (Phase 1)

 

Paper 16, CSS Test Session for CSS Examination 2021, 

(Phase 1)

               

  GENERAL KNOWLEDGE, PAPER-I

(General Science and Ability)

 

TIME ALLOWED: THREE HOURS                        PART-I(MCQs) :  MAXIMUM 30 MINUTES

(PART-I MCQs) MAXIMUM MARKS: 20              (PART-II) MAXIMUM MARKS: 80

 NOTE:

       (i)                  Part-II is to be attempted on the separate Answer Book.

(ii)                Attempt ONLYT FOUR questions from PART-II. All questions carry EQUAL Marks

(iii)               Candidate must write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper.

(iv)              All the parts (if any) of each Question must be attempted at One Place instead of at different places.

(v)                No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.

(vi)              Extra attempt of any question or any part of the attempted question will not be considered.

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       1.       Write answer of the following;

                          I.   What are Pesticides? Explain their different types; why persistent pesticides are more lethal for mankind? (5)

                        II.    What are carbohydrates? Classify and give detail of each class along with examples. (5)

                        III.    Discuss different methods of Food preservation. (5)

                        IV.     What are basic differences in structure and function of fats, protein and mineral?  (5)

       2.       Answer the following in detail

                          I.   Briefly describe the various segments of atmosphere. How these segments are maintaining the Earth Radiation Balance? (5)

                           II.   How the organic particulate matter enters in the atmosphere. Also describe the sources? (5)

                            III.    What is natural radioactivity? How it is different from the artificial radioactivity? (5)

                         IV.   What are the Fossils? Discuss the importance of paleontology.  (5)

       3.       Answer the following 

                         I.  What do you know about Hepatitis? Describe its types and which type is most prevalent in Pakistan and why? (5)

                         II.   Differentiate between food additive and food preservatives. Also write side effects associated with them. (5)

                        III.    Write down important articles of Kyoto protocol and what are conditions of their implication in world. Also describe what hurdles are occurring in the way of its implementation.  (10)                                              

       4.       Give answer with logics

                        I.   Describe with diagrammatical representation the structure and composition of various layers of atmosphere in detail. Why there is differences of gravitational forces in these layers? (10)

                         II.   What is water cycle and biosphere? What is relationship between these two terms?  (5)

                          III.    Define rocks and its types with example. (5)