Environmental Studies Paper of B.Sc./ B.Com. Examination 2020

Environmental Studies/Science Previous year Paper of Kumaun University

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1. Environmental Studies is:
(a)    A single subject
(b)    An integration of several subjects
(c)    A scientific study
(d)    A social study

2. Significance of botanical garden or a zoo is :
(a)    It provides conservation education and awareness in the society
(b)    It mimics small-scale natural ecosystems
(c)    It has aesthetic and recreational value
(d)    All of the above

3. Salim Ali is a famous:
(a)    Boxer
(b)    Wrestler
(c)    Ornithologist
(d)    Film maker

4. Headquarter of NEERI is situated at :
(a)    Nagpur
(b)    Hyderabad
(c)    Delhi
(d)    Pune

5. The famous book ‘Diversity of life’ was written by the following:
(a)    E.O. Wilson
(b)    Alfred Wallace
(c)    M. S. Swaminathan
(d)    Madhav Gadgil

6. The first ‘International Yoga day’ celebrated on :
(a)    11 December
(b)    5 July
(c)    16 May
(d)    21 June

7. The main driving force of ecological system is:
(a)    Water and Soil
(b)    Solar Energy
(c)    Plants and animals
(d)    Environment

8. Which of the following is non-renewable resource?
(a)    Minerals
(b)    Coal
(c)    Species
(d)    All of the above

9. Which is the main commercial energy source used in India :
(a)    Oil
(b)    Hydroelectricity
(c)    Coal
(d)    Natural gas

10. How much of the total water is hydrosphere is fresh water?
(a)    3%
(b)    1%
(c)    1%
(d)    5%

11. The study of different population and its trend is known as:
(a)    Topography
(b)    Demography
(c)    Biography
(d)    Flora and Fauna

12. Acid rain is mainly caused by increased concentration [in atmosphere] of :
(a)    NO2 and SO2
(b)    CO2 and NO2
(c)    NH3 and SO2
(d)    SO2 and CO

13. Tehri dam is constructed on the river:
(a)    Bhagirathi
(b)    Alaknanda
(c)    Mandakini
(d)    Pinder

14.Cause of Minimata disease is:
(a)    Lead
(b)    Mercury
(c)    Arsenic
(d)    Cadmium

15. Which of the following is used as biofertilizer?
(a)    Rhizobium
(b)    Azolla
(c)    Blue green algae
(d)    All of the above

16. Water borne disease is:
(a)    Arthritis
(b)    Malaria
(c)    Typhoid
(d)    Dengue

17. Environment has two major components:
(a)    Physical and chemical
(b)    Biotic and abiotic
(c)    Plants and animals
(d)    Earth and atmosphere

18. Biological Oxygen demand measures:
(a)    Dissolved oxygen needed by microbes
(b)    Water pollution
(c)    Air pollution
(d)    Industrial Pollution

19. Biosphere reserves are areas to preserve the following:
(a)    Forests
(b)    Ecosystem
(c)    Biodiversity
(d)    Atmospheric balance

20. Excessive radiation lead to:
(a)    Genetic damage
(b)    Bronchitis
(c)    Cancer and death
(d)    Hot atmosphere

21. The percentage of carbon dioxide in atmosphere is:
(a)    20.9%
(b)    0.03%
(c)    0.3%
(d)    10.0%

22. Population growth is affected by:
(a)    Poverty
(b)    Death rate
(c)    Birth rate
(d)    All of the above

23. Yellow stone park is related to:
(a)    Earth quake
(b)    Nuclear disaster
(c)    Tourist place
(d)    Volcano

24. Primary consumers in a food chain are;
(a)    Cattle and rats
(b)    Insects and fish
(c)    Frogs and rabbits
(d)    Cats and cows

25. In India, the best timber producing tree is:
(a)    Sal
(b)    Mango
(c)    Teak
(d)    Shisham

26. Pollutant from motor-car exhaust that causes metal disease is:
(a)    Mercury
(b)    Lead
(c)    Nickel
(d)    Zinc

27. Blue revolution is related to:
(a)    Silk production
(b)    Clean atmosphere
(c)    Water conservation
(d)    Fish production

28. International Women’s Day is observed on:
(a)    8 March
(b)    3 July
(c)    10 May
(d)    5 September

29. Chernobyl disaster occurred due to:
(a)    Nuclear reactor explosion
(b)    Poisonous gas leakage
(c)    Forest fire
(d)    Earthquake

30. The largest desert of the world is:
(a)    Sahara
(b)    Gobi
(c)    Kalahari
(d)    Arabian

31. The functional unit of ecology is called:
(a)    Biosphere
(b)    Biotic and abiotic
(c)    Ecosystem
(d)    All of the above

32. Highest biodiversity occurs in the following country:
(a)    Australia
(b)    Brazil
(c)    India
(d)    South Africa

33. The Environment [Protection] Act was formed in:
(a)    1982
(b)    1980
(c)    1990
(d)    1986

34. Incomplete ecosystem is found in:
(a)    Pond
(b)    Grassland
(c)    Deep Sea
(d)    Rivers

35. The most dangerous radioactive air pollutant is:
(a)    Strontium-90
(b)    Calcium-40
(c)    Copper-40
(d)    Phosphorus-32

36. Plants and animals living in an area constituent:
(a)    Population
(b)    Community
(c)    Ecosystem
(d)    Ecology

37. The pioneers of vegetation are:
(a)    Fungi
(b)    Lichens
(c)    Bacteria
(d)    Algae

38. Tigers and Lions are found in:
(a)    Rajasthan and Madhya Pradesh
(b)    Gujarat and Rajasthan
(c)    West Bengal and Gujarat
(d)    Karnataka and West Bengal

39. Which one is an endangered animal?
(a)    Chimpanzee
(b)    Gorilla
(c)    Gibbon
(d)    Monkey

40. AIDS virus has:
(a)    DNA
(b)    DNA and RNA
(c)    RNA
(d)    RNA and Proteins

41. Which statement is true?
(a)    All flesh is grass
(b)    All grass is flesh
(c)    Both [A] and [B]
(d)    None of the Above

42. About 90% of the total biomass produced on the earth is through the following:
(a)    Ocean
(b)    Forest
(c)    Grasslands
(d)    Crops

43. Interconnection between different food chains is called:
(a)    Trophic level
(b)    Food web
(c)    Energy Flow
(d)    Ecological Pyramids

44. Ozone layer belongs to which of the following layers of atmosphere?
(a)    Homosphere
(b)    Stratosphere
(c)    Troposphere
(d)    Mesosphere

45. The plan to inter-link the rivers of India is known as:
(a)    Indira Gandhi Plan
(b)    Atal Bihari Bajpai plan
(c)    Rajeev Gandhi plan
(d)    Dastur plan

46. In an ecosystem the decomposers are:
(a)    Bacteria and viruses
(b)    Micro-organisms
(c)    Bacteria and fungi
(d)    Algae and bacteria

47. Which one is concerned with the conservation of forest?
(a)    Silent valley
(b)    Periyar sanctuary
(c)    Gir forest
(d)    Kaziranga sanctuary

48. The major pollution causing agent is:
(a)    Man
(b)    Thermal power stations
(c)    Automobiles
(d)    CO2 and SO2

49. The Major sources of water pollution is/are :
(a)    Insecticides and fertilizers
(b)    Industrials wastes
(c)    Domestic sewage
(d)    All of the above

50. Forest conservation Act was amended in India in :
(a)    1990
(b)    1998
(c)    1980
(d)    1988

Environmental Studies Paper of 2015 Kumaun University B.Sc./B.Com II Year .PDF

Environmental Studies Paper of 2016 Kumaun University B.Sc./B.Com II Year .PDF



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Kumaun University B.Sc. III year Computer Science 'JAVA' question paper 2010

Kumaun University, Nainital

 

B.Sc. III Examinations, 2010
Computer Science
Paper  - Third
(Programming Language - Java)

 
Section – A
 

1. The java compiler translates java programs to intermediate level language called :
a)    Machine language
b)    Bytecode
c)    System Language
d)    Object language

2. Which of the following property allows objects to have different internal structures to share the same external interface ?
a)    Abstraction
b)    Polymorphism
c)    Encapsulation
d)    Inheritance

3. The ……………..  is a collection of programs to help the developers compile, run and debug the source program of java.
a)    JVM
b)    IDE
c)    JDK
d)    Java software

4. Which of the following return type does a constructor have ?
a)    Void
b)    int
c)    Boolen
d)    No data type


5. What is the result of S and a, ager evaluating the expression :

int a=5;
int S =++a + a++;


6. Will program compile successfully if the main method is declared as private?

7. Write the range of acceptable values of int and char in Java.

8. Name the character set of Java that includes the characters from all possible human languages.

Section – B

9. What is overriding and overloading ? Explain with example. Use Java code for explanation

10. State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of package relationships on declared items qualified by these modifiers.


11. [a] What is the difference between a constructor and a method ?

[b] What is the difference between an Abstract class and Interface ? And can you explain when you are using an Abstract classes ?




 
Section – C

12. [a] Write Java code to implement a class Point. It should have a function name display that will display the information in which quadrant the pint lies in ?

[b] What is the Java Virtual Machine? Explain working of JVM.

 
13. What do you mean by inheritance? Name the types of inheritance in Java and explain any two of them in detail.

14. Explain garbage collection ? How you can force the garbage collection in Java?

15. [a]Assuming the following code is written inside main().
   
What is the output of following :
String s1=new String(“Amit”);
System.out.println(s1.replace(‘m’, ‘r’));
System.out.println(s1);
String s3=”Arit”;
String s4=”Arit”;
String s2=s1.replace(‘m’ , ’r’);
System.out.println(s2==s3);
Sytem.out.println(s3==s4)
(i)  Arit
     Amit
     false
     true

(ii) Arit
     Arit
     False
     True


(iii) Amit
      Amit
      False
      True


(iv) Arit
      Amit
      True
      True


[b] Write short note, in context of Java, on Constructor overloading.




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Kumaun University B.Sc. III year Computer Science 'Networking' question paper 2010

Kumaun University, Nainital 

 

B.Sc. III Examination, 2010

Computer Science

Paper  - Second

(Computer Networks)

Section - A

i.    Which processes does TCP, but not UDP, use?

a)     Windowing

b)     Acknowledgements

c)     Source Port

d)     Destination Port

ii.    Internet is :

a)    A local computer network

b)    A world wide network of computers

c)    An interconnected network of computers

d)    A world wide interconnected network of computers which use a common protocol to communicate with one another.

iii.    Select Internet uses :

a)    Packet switching

b)    Circuit switching

c)    Telephone switching

d)    Telex switching

iv.    By an interanet we mean:

a)    A LAN of an organization

b)    A Wide Area Network connecting all branches of an organization

c)    A corporate computer network

d)    A network connecting all computers of an organization and using the internet protocol

v.    Which of the following protocols is used in the internet :

a)    X.25

b)    IBM

c)    TCP/IP

d)    UUCP

vi.    Need to retrieve a file from the file server for your word processing application, which layer of the OSI model is responsible for this function ?

a)    Presentation layer

b)    Session layer

c)    Transport layer

d)    Datalink layer

vii.    IP addresses are converted to :

a)    A binary string

b)    Alphanumeric string

c)    A hierarchy of domain names

d)    A hexadecimal string

Section - B

1.    What are the important topologies for networks?

2.    Explain various layers and their functions in OSI/ISO reference model.

3.    What is a computer network? explain its uses.

4.    Write a note on IEEE 802.3 standard.

Section – C

1.    Write short notes on TCP/IP, X.25 Protocol.

2.    Explain different types of errors and any two schemes used for error detection and correction. Also explain how error rate is measured.

3.    What is IP address? Explain.

4.    Explain the concept of switching in Data Transmission.

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Kumaun University B.Sc. III year Computer Science 'Microprocessor' question paper 2015

Kumaun University, Nainital

B.Sc. III Examination, 2015

Computer Science

Paper  - First

(Microprocessor)

Section – A
1)     Fill in the blanks :

a)    …………….. is a quality characterized by single value.
b)    A system bus is used to …………… major computer components.
c)    ……………….  and ………….. are keys to RISC.
d)    The processing performed by a …………. To execute a single instruction.
e)    An instruction set used to specify micro programs………………..
f)    Full form of RISC is ………………………..
g)    A ……….. is a group of flip flops.


Section – B

2) (a) What is Arithmetic Logic Unit?
    (b) What is Microcomputer ?


3) (a) What is Fetch and execution Cycle? 
    (b) What is AMD microprocessor ?

4) (a) What are the trends of Microprocessor building ?
    (b) What are the features of Pentium Microprocessor?

5) (a) What are the elementary programming steps of the Intel’s     80386 microprocessor?
    (b) What are the features of Motorola 68020 microprocessor?


Section - C
6)  What is the 8085 Microprocessor? Explain 8-bit General purpose Microprocessor.

7) Draw the register organization of 8086 and explain typical application of each register.

8) What do you mean by addressing modes? What are the different addressing modes supported by 8086? Explain each of them with suitable example.
     
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