CSS Past Papers of Computer Science

COMPUTER SCIENCE PAPER


TIME ALLOWED: (PART-I) 30 MINUTES, MAXIMUM MARKS: 20
(PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80


NOTE: (i) First attempt PART-I (MCQ) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

PART – I (MCQ)
COMPULSORY

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)

(i) AX register is also known as:
(a) Accumulator
(b) Collector
(c) Distributor
(d) Counter
(e) None of these

(ii) In the Base + Offset addressing, Offset address is also known as:
(a) Physical Address
(b) Logical Address
(c) Actual Address
(d) Instruction Address
(e) None of these

(iii) The technique for allowing a unit to check the status of another independently function unit is known as?
(a) Interrupt
(b) System call
(c) Polling
(d) Trape
(e) None of these

(iv) The method for storing data temporarily such that the input-output of the same job is overlapped with its own processing, is known as:
(a) Spooling
(b) Contention
(c) I/O wait
(d) Buffering
(e) None of these

(v) The DMA that uses Busses when CPU is not using them is termed as:
(a) Shared DMA
(b) Cycle Stealing
(c) Channel
(d) Transparent DMA
(e) None of these

(vi) _________ Scheduler deals with the decision as to whether to admit another new job to the system.
(a) High Level
(b) Medium Level
(c) Low Level
(d) Short term
(e) None of these

(vii) When the process is in the states of Blocked Suspended or Ready Suspended, its relevant data is
stored in:
(a) Main Memory
(b) Hard Disk
(c) Magnetic Tape
(d) Buffer
(e) None of these

(viii) Priority, P = (Time Waiting + Run Time) / Run Time is used to calculate priority in __________ scheduling algorithm:
(a) Shortest Job First
(b) Priority Scheduling
(c) Longest Wait First
(d) Highest Response Ratio Next
(e) None of these

(ix) HDLC Protocol stands for:
(a) High-Level Data Link Control
(b) High Level Development Protocol
(c) Huge Level Data Link Control
(d) High Development Level Control
(e) None of these

(x) _________ is the generic name for a set of standards issued by the International CommunicationsStandards Body CCITT, designed to support Message Handling Systems; i.e. Electronic Mail.
(a) TCP/IP
(b) ISDN
(c) X.400
(d) X.25
(e) None of these

(xi) ________ layer is responsible for the transfer of a packet of data along one link in the network. It organizes data into frames and detects errors in transmission.
(a) Physical Layer
(b) Data Link Layer
(c) Network Layer
(d) Transport Layer
(e) None of these

(xii) Encryption is the conversion of data in some intelligible format into an unintelligible format called _________ to prevent the data from being understood if read by an unauthorized party.
(a) Clear Text
(b) Encrypted Text
(c) Cipher Text
(d) Coded Text
(e) None of these

(xiii) Binary search requires about ______ comparisons with an initial list of 1,000,000 elements.
(a) 10
(b) 20
(c) 35
(d) 100
(e) None of these

(xiv) A _________ header list is a header list where the last node contains the null pointer.
(a) Grounded
(b) Circular
(c) One way
(d) Rooted
(e) None of these

(xv) ________ are small applications that are accessed on an internet server, transported over the internet, automatically installed and run as part of a web document.
(a) Applets
(b) Java Bean
(c) Sockets
(d) Java Component
(e) None of these

(xvi) AWT stands for:
(a) Abstract Window Technique
(b) Abstract Window Toolkit
(c) Actual Window Technique
(d) Added Window Toolkit
(e) None of these

(xvii) GIF images can have only upto _______ colors.
(a) 128
(b) 256
(c) 512
(d) 1024
(e) None of these

(xviii) ________ is stored on a client and contains state information of the website visited.
(a) Cookies
(b) Servelet
(c) History
(d) Resident Page
(e) None of these

(xix) In software Engineering KPA denotes.
(a) Key Process Audit
(b) Key Process Area
(c) Key Process Analysis
(d) Key Problem Area
(e) None of these

(xx) The ________ Process Model defines a series of events that will trigger transitions from state to state for each of software engineering activities.
(a) Spiral
(b) Operational
(c) RAD
(d) Concurrent Development
(e) None of these

PART – II


(i) PART-II is to be attempted on the separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II, selecting at least ONE question from each SECTION. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

SECTION – I

Q.2. Explain ANY FOUR. (20)
(i) Cache Memory
(ii) Static & Dynamic RAM
(iii) Instruction Cycle
(iv) Buses & their types
(v) Segment Registers
(vi) Instruction Pipelining

Q.3. (a) Describe briefly five state process lifecycle (6)
(b) Explain multi level feedback queue scheduling algorithm. (6)
(c) Describe briefly different communication channels (8)

SECTION – II

Q.4. (a) What are Virtual Functions? And how they can be utilized for polymorphism? Use C++ for writing example program. (10)
(b) Explain with examples ANY TWO: (10)
(i) Inheritance & Aggregation (ii) Data Hiding & Encapsulation
(iii) Constructors & Destructors (iv) Class, Object and Abstraction

Q.5. (a) Write and explain algorithm for Binary Search. (8)
(b) Explain ANY TRHEE: (12)
(i) Stack & Queue
(ii) Tree & Graph
(iii) Linked List & Array
(iv) Algorithm & Program
(v) Complexity of Algorithm

Q.6. (a) Explain the terminologies of Process, Methods and Tools. (6)
(b) What is Software Process Model? Explain Spiral Process Model. (14)

SECTION – III

Q.7. (a) What is a Database? Explain and differentiate Relational Database Model from the other Database Models. (10)
(b) Explain with example Entity Relationship Diagram. (10)

Q.8. Explain ANY FOUR: (20)

(i) Computer Graphics
(ii) Pixel Art
(iii) Vector Graphics
(iv) Computer Animation
(v) Rendering
(vi) 2D & 3D Graphics

CSS Past Papers of Botany

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS
IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2009.


BOTANY, PAPER – I


TIME ALLOWED: (PART-I) 30 MINUTES, MAXIMUM MARKS: 20
(PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80


NOTE: (i) First attempt PART-I (MCQ) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

PART – I (MCQ)
COMPULSORY

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)

(i) The spores in bryophytic plant represent the first cell of the:
(a) Gametophytic generation
(b) Sporophytic generation
(c) Asexual generation
(d) All of these
(e) None of these

(ii) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure
(b) Reserve food
(c) Pigment composition
(d) Structure of flagella
(e) None of these

(iii) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae
(b) Actinomycetes
(c) Bryophetes
(d) Red algae
(e) None of these

(iv) Rice belongs to family:
(a) Malvaceae
(b) Fabiaceae
(c) Solonaceae
(d) Poaceae
(e) None of these

(v) Gametophyte of fern is called:
(a) Prothallus
(b) Protocorm
(c) Thallus
(d) Gametangia
(e) None of these

(vi) The sieve elements are major component of:
(a) Cambium
(b) Apical meristem
(c) Xylem
(d) Phloem
(e) None of these

(vii) Which one of these is a parasite:
(a) Sunflower
(b) Begonia
(c) Biden
(d) Brasica
(e) None of these

(viii) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas
(b) Adiantam
(c) Equisetum
(d) All of these
(e) None of these

(ix) Double fertilization is a typical characteristic of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Angiosperm
(e) All of these

(x) Marchantia reproduces vegetatively by:
(a) Apospory
(b) Gemma Cup
(c) Budding
(d) All of these
(e) None of these

(xi) Plant cell wall is composed of:
(a) Cellulose
(b) Polypeptides
(c) Phospholipids
(d) Starch
(e) None of these

(xii) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele
(b) Radial stele
(c) Centric stele
(d) Eustele
(e) None of these

(xiii) In which the following edible part is obtained from the Rhizome:
(a) Potato
(b) Ginger
(c) Sugar beet
(d) Onion
(e) None of these

(xiv) Fertilization within an unopened flower is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy
(d) Oogamy
(e) None of these

(xv) Meiosis takes place during:
(a) Gamete formation
(b) Zygote formation
(c) Cambium formation
(d) All of these
(e) None of these

(xvi) Edible fungus is:
(a) Penicillium
(b) Agaricus
(c) Aspergillus
(d) Phythium
(e) None of these

(xvii) Speciation is:
(a) Origin of species
(b) Evolution of species
(c) Identification of species
(d) Preservation of species
(e) None of these

(xviii) Collective name given to sporangia in fern is:
(a) Sorus
(b) Sporangium
(c) Spathe
(d) Sporangiophore
(e) None of these

(xix) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts
(b) Ribosomes
(c) Microsomes
(d) Pyenidium
(e) None of these

(xx) Heterocysts are present in:
(a) Volvox
(b) Clostridium
(c) Cycas
(d) E-Coli
(e) None of these

PART – II


(i) PART-II is to be attempted on the separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

Q.2. (a) Describe the life history of any multicellular green alga. (10)
(b) Write note on different parameters which are used in classification of algae. (10)

Q.3. (a) Describe the general characteristics and methods of reproduction in fungi. (10)
(b) Discuss five plant diseases of economic importance caused by fungi. (10)

Q.4. Explain in detail the evolution of gametophyte and sporophyte in bryophytes? (20)

Q.5. What is pollination and fertilization? Give an account of post fertilization events leading to the development of seeds in angiosperms. (20)

Q.6. What do you understand by secondary growth? Describe the process in detail in a typical Dicot. Stem. (20)

Q.7. Explain the different systems of classification in angiosperms. Also discuss the modern trends in plant taxonomy. (20)

Q.8. Enlist the salient features of gymnosperms. Also describe the features in which this group resembles and differs with pteridophytes: (20)

 

 

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS
IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2009.


BOTANY, PAPER – II


TIME ALLOWED: (PART-I) 30 MINUTES, MAXIMUM MARKS: 20
(PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80


NOTE: (i) First attempt PART-I (MCQ) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

PART – I (MCQ)
COMPULSORY

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)

(i) Enzyme Fumarase convert fumaric acid into:
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these

(ii) Plants growing under saline conditions are:
(a) Holophytes
(b) Mesophytes
(c) Hygrophytes
(d) Halophytes
(e) None of these

(iii) The first product of CO2 fixation in C3 plants is:
(a) Phosphoglyceric acid
(b) Glycolic acid
(c) Citric acid
(d) Glutamic acid
(e) None of these

(iv) Mutations are most likely to be caused by:
(a) 1AA
(b) CO2
(c) Dextrose
(d) Glycine
(e) None of these

(v) Most of the water absorption in plants takes place through:
(a) Root caps
(b) Root hairs
(c) Stomata
(d) All of these
(e) None of these

(vi) Oxygen produced during photosynthesis comes from:
(a) CO2
(b) Carboxylic acid
(c) Glucose
(d) Protein
(e) None of these

(vii) Chloroplasts in bundle sheath cells of C4 plants do not contain:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) All of these
(e) None of these

(viii) A group of major biotic communities occupying a climatic region of earth is called:
(a) Biome
(b) Biosphere
(c) Biotype
(d) Phenotype
(e) None of these

(ix) In which group of plants stomata open during night:
(a) C3 plants
(b) C4 plants
(c) Halophytes
(d) CAM plants
(e) None of these

(x) The occurrence of vegetation in layers is known as:
(a) Scarification
(b) Stratification
(c) Physiognomy
(d) Pattern
(e) None of these

(xi) A plasmid is a:
(a) DNA
(b) RAN
(c) Protein
(d) Microsome
(e) None of these

(xii) The total Genetic material within a cell is:
(a) Gene bank
(b) Genetic load
(c) Genome
(d) Genetic Marker
(e) None of these

(xiii) Ribsomal RNA helps in:
(a) Replication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these

(xiv) Which one of the following ions plays most important role in stomatal movement?
(a) K+
(b) Ca++ (c) Cl–
(d) Na+
(e) None of these

(xv) Dormancy in seeds may be due to:
(a) Hard seed coat
(b) Chemical Inhibitors
(c) Immature embryo
(d) All of these
(e) None of these

(xvi) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?
(a) 15
(b) 26
(c) 28
(d) 36
(e) None of these

(xvii) Open sea constituting about 90% of total ocean surface is called:
(a) Pelgaic zone
(b) Littoral zone
(c) Intertida zone
(d) Neritic zone
(e) None of these

(xviii) Which one of the following RNAs is non-genetic and brings amino acids to the site of protein synthesis?
(a) m RNA
(b) t RNA
(c) hn RNA
(d) pre-r RNA
(e) None of these

(xix) Transfer of material , from higher concentration to lower concentration across semipermeable membrane is called:
(a) Mass flow
(b) Osmosis
(c) Ascent of Sap
(d) Diffusion
(e) None of these

(xx) Optimum phosphorus uptake by roots takes place at:
(a) Neutral pH
(b) Acidic pH
(c) Alkaline pH
(d) All of these
(e) None of these

PART – II


(i) PART-II is to be attempted on the separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

Q.2. (a) What is photophosphorylation? Describe the cyclic and non-cyclic photophosphorylation. (10)
(b) Enlist the essential plant mineral elements. Discuss the uptake of phosphorous and its role in plant metabolism. (10)

Q.3. (a) Write note on: (10)

  • Photoperiodism
  • Vernalization

(b) What are enzymes? Discuss the chemical nature and mechanism of enzyme action. (10)

Q.4. (a) Write an essay on the role of climatic and edaphic factors on plant growth. (10)
(b) Discuss the problem of water logging and salinity. Also suggest important methods for the reclamation of water logged and saline soils. (10)

Q.5. (a) Describe the ultrastructure of chloroplasts. (10)
(b) Write notes on: (10)

  • Biochemical nature of hereditary material
  • Sex linked genes.

Q.6. (a) Discuss the role of water in plants. (10)
(b) Explain the concepts and productivity of ecosystems. (10)

Q.7. Write notes on the following. (20)
(i) Auxins
(ii) Osmosis
(iii) Transduction
(iv) Significance of meiosis

Q.8. Describe in details the different theories of evolution. Also discuss the merits and demerits of these theories. (20)

CSS Islamiat Past Papers

Part-1 MCQs

1. The largest Surah of the Quran is:
a. Al-Baqrah
b. Aali Imran
c. Al-Taubah
d. Surah Younus
e. None of these

2. Fidk Garden was bestowed to the Holy Prophet (SAW) as:
a. Fay
b. Booty
c. Gift
d. Loan
e. None of these

3. Arbeen is the book of Hadith in which there are:
a. 40 Ahadith
b. 50 Ahadith
c. 30 Ahadith
d. 20 Ahadith
e. None of these

4. The heads of Zakat are:
a. 8
b. 9
c. 7
d. 5
e. None of these

5. Mauwazatain mean:
a. A Collection of Ahadith
b. Two specific Surah of Quran
c. A book of Jafferi Fiqh
d. A book of Hanafi Fiqh
e. None of these

6. The numbers of famous months are:
a. 4
b. 6
c. 7
d. 2
e. None of these

7. Jabal-e-Noor is situated in:
a. Arafat
b. Ghar-i-Hira
c. Ghar-i-Saur
d. Madinah
e. None of these

8. Which country is known as the “Land of Prophet”?
a. Iraq
b. Saudi Arabia
c. Palestine
d. Syria
e. None of these

9. Zou-Shahadatein is the title of Hazrat:
a. Khuzaima Bin Sabit (RA)
b. Huzaifa Bin Yaman (RA)
c. Ammar Bin Yasir (RA)
d. Imam Abu Hanifa
e. None of these

10. Sura Saba i:
a. Makki
b. Madani
c. Iraqi
d. Makki Madni
e. None of these

11. Which Surah of Quran has Bismillah twice?
a. Al-Nahal
b. Al-Namal
c. Al-Ahzab
d. Al-Noor
e. None of these

12. Imam-e-Darul-Hijra was a title of:
a. Imam Ahmad
b. Imam Maalik
c. Imam Shafai
d. Imam Muhammad
e. None of these

13. Masjid Qiblatain is situated in:
a. Madinah
b. Makkah
c. Taif
d. Jabal e Noor
e. None of these

14. Which is a religious book of Hinduism?
a. Injeel
b. Taurat
c. Ramain
d. Bibel
e. None of these

15. The first Islamic month is:
a. Muharram
b. Zil Hajjah
c. Safar
d. Rajab
e. None of these

16. Which was the total number of idols were in the Kaaba?
a. 260
b. 360
c. 460
d. 560
e. None of these

17. Batha Valley is situated in:
a. Makkah
b. Madinah
c. Iraq
d. Jordan
e. None of these

18. Hazrat Muhammad (SAW) gave the key of Bait-Ullah permanently to:
a. Ummrah bin Utba
b. Hanzla bin Abil Amir
c. Usman Bin Talha
d. Abdullah bin Amir
e. None of these

19. AshabusSabt mean:
a. Jews
b. Christians
c. Muslims
d. Sabieen
e. None of these

20. The word Muhammad (SAW) as a name has been mentioned in Quran only:
a. Two time
b. Four time
c. Six time
d. Seven time
e. None of these

Part-II

Attempt ONLY FIVE questions.

Q.No.2. What is Human Dignity? Explain how Islam recognized it and what efforts have been adopted to maintain the superiority of man? (16)

Q.No.3 Describe the importance and philosophy of Fasting (SAUM). Also explain its individual and collective benefits? (16)

Q.No.4. Define Tauheed (Unity of Allah) in a scholarly manner describing its significance and its effects on human life? (16)

Q.No.5. What is the significance of “Jihad” in the light of Quran and Sunnah? What are its kinds, principles and conditions? (16)

Q.No.6. Define and explain Judicio-Political System of Islam? (16)

Q.No.7. write down in detail the problems of “Ummah” in the contemporary world.

Q.No.8. Discuss the concept of veil and freedom of women from Islamic point of view while analyzing the law against veil in France. (16)

Q.No.9. The Holy Quran is the fountain-head at all kind of knowledge. Discuss (16)