N2 content is kept constant in the biosphere due to

Options: N2 fixation,    industrial pollution,    nitrogen cycle,    absorption of N2


More Biology Related questions:

Which of the following is not one of the major components of decision-support system?
Options: language system,    knowledge system,    expert system,    problem-processing system

Ans:C ,C

The oath of office is conducted to the president by
Options: the speaker of Lok Sabha,    the chief justice of India,    the vice-president of India,    None of the above


Aggregation is which of the following?
Options: Expresses a part-of relationship and is a stronger form of an association relationship.,    Expresses a part-of relationship and is a weaker form of an association relationship.,    Expresses an is-a relationship and is a stronger form of an association relationship.,    Expresses an is-a relationship and is a weaker form of an association relationship.

Ans:A ,A

4.In Excel without using the mouse or the arrow keys, what is the fastest way of getting to cell A1 in a spreadsheet?
Options: (A)Press Ctrl +Home (B) Press Home (C) Press Shift + Home (D) Press Alt + Home 16

Ans:164. (A),164. (A)

nathpa jhakri


. Weight refers to
Options: a. The print density of characters b. The height of the printed character c. Upright or slanted shape d. The design and appearance of characters

Ans:– a,– a

Assembly languages are most commonly used to write computing systems that provide
Options: supervisory information,    priority setting information,    planning information,    All of the above

Ans:A ,A

487. asahayog aandolan kis varsh shuru hua?
Options: NA

Ans: 1920, 1920

. Daisy wheel printer is a type of

Options: A) Matrix printer B) Impact printer C) Laser printer D) Manual printer


Computer Operators
Options: Write computer programs for specific problems,    Operate the devices which input and output data from the computer,    Normally require a college degree in computer science,    All of the above

Ans:B ,B

The invention of the slide rule is attributed to
Options: Babbage,    Oughtred,    Pascal,    Napier

Ans:B ,B

. MS Excel provides the default value for step in Fill Series dialog box
Options: a.  0 b.  1 c.  5 d.  10

Ans:– b,– b

Which command is used with vi editor to move the cursor to the left?
Options: i,    j,    k,    h

Ans:D ,D

. A …. is a set of computer instructions that carry out a task on the computer
Options: a. Program b. Database c. Memory files d. None of the above

Ans:8 – a ,8 – a

To preview a motion path effect using the custom animation task pane, you should
Options: a. click the play button b. click the show effect button c. double click the motion path d. all of above

Ans: – A , – A

The nucleus of the copper atom contains how many protons?
Options: 1,    4,    18,    29

Ans:D ,D

4.In Excel suppose you have columns of data that span more than one printed page. How can you automatically print the column headings on each page?
Options: (A)Click page setup on the file menu, click the sheet tab, and enter the row that contains these column headings under print titles. (B) Click page setup on the file menu, click the page tab, click the options button, then enter your choices. (C) Click page setup on the finle menu, click the sheet tab, and make a selection under the print heading. (D) All of above 4

Ans:44. (A),44. (A)

Which of the following holds data and processing instructions temporarily until the CPU needs it?
Options: ROM,    control unit,    main memory,    coprocessor chips

Ans:C ,C

The _____ switch instructs DOS to display the directory list in a wide format.
Options: /W,    /O,    /P,    /B

Ans:A ,A

what is populatin of HP
Options: 6864602, 6864206, 6865065, 6864620


Shaping teaching techniques to fit the learning patterns of individual students is the goal of:
Options: decision support,    automatic programming,    intelligent computer-assisted instruction,    expert systems

Ans:C ,C

Gopal Krishna Gokhale
Options: started as a maths teacher and rose to the position of the principal of Ferguson College, Pune,    founded the servants of India Society,    served as President of the Indian National Congress in 1905,    All of the above


9.Meta-learning is
Options: (A)An algorithm that can learn (B) A sub-discipline of computer science that deals with the design and implementation of learning algorithms. (C) A machine-learning approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning. (D) None of these 6

Ans:59. (C),59. (C)

Which of the following programs give instructions about operations inside the computer
Options: System software,    Application,    Utility id) Compiler,    None of the above

Ans:A ,A

The short term variations of the atmosphere, ranging from minutes to months are called
Options: climate,    weather,    temperature,    humidity


The term gigabyte refers to
Options: 1024 bytes,    1024 kilobytes,    1024 megabytes,    1024 gigabytes

Ans:C ,C

6.In Microsoft PowerPoint following should be used when you want to add a slide to an existing presentation
Options: (A)File, add a new slide (B) Insert, new slide (C) File, open (D) File, new 2

Ans:26. (B),26. (B)

5.When you save an Access project, what file format do you use?
Options: (A).adp (B) .xm. (C) .mdb (D) All of above 9

Ans:95. (A),95. (A)

Which command is used to sort the lines of data in a file in alphabetical order?
Options: sort,    sh,    st,    sort -r

Ans:A ,A

Computers normally solve problem by breaking them down into a series of yes-or-no decisions represented by 1s and 0s. What is the name of the logic that allows computers to assign numerical values that fail somewhere between 0 and 1?
Options: Human logic,    Fuzzy logic,    Boolean logic,    Operational logic

Ans:B ,B

Thorough planning must take place when setting up an 802.3 network. A maximum number of segments can separate any two nodes on the network. What is the maximum number of segments allowed between two nodes?
Options: Five,    Two,    Four,    Six

Ans:A ,A

You have a PC with no video* Which of the following is LEAST likely to be causing the problem?
Options: defective RAM (bank zero),    defective microprocessor,    crashed hard drive,    loose video card

Ans:C ,C

The mean surface temperature of the sun is estimated to be of the prder of
Options: 5500ºC,    4000ºC,    2000ºC,    1000ºC


The radian of a number system
Options: Is variable,    Has nothing to do with digit position value,    Equals the number of its distinct counting digits,    Is always an even number

Ans:C ,C

To obtain the structure of an Oracle table, the command to use is:
Options: STRUCTURE [TableName].,    DESCRIBE [TableName].,    DESCRIBE STRUCTURE [TableName].,    DESC TABLE [TableName].

Ans:B ,B

What is the barrier potential of a silicon diode at room temperature?
Options: 0.7V,    0.3V,    1 V,    2 m V per degree Celsius

Ans:A ,A

Which of the following are often used to ensure that data has been accurately input to the computer?
Options: digitizers,    light pens,    keyboards,    input controls

Ans:D ,D

For a Macintosh to print successfully, the System Folder must contain:
Options: File sharing software,    A printer enabler,    The apple Garamond font set,    A printer driver

Ans:D ,D

Virtual Memory
Options: is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.,    consists of those addresses that may be generated by a processor during execution of a computation.,    is a method of allocating processor time.,    allows multiple programs to reside in separate areas of core at the time.

Ans:B ,B

The International Human Rights Convention adopted by the United Nations in 1990 relates to
Options: disabled,    stateless persons,    migrant workers,    children


90. Each time the _____ key is pressed, the paragraph formatting in the previous paragraph is carried forward to the next paragraph.
Options: a. enter b. shift c. ctrl d. alt

Ans:– a ,– a

where is agriculture traingin centre
Options: kangra, shimla, bilaspur, hamirpur, kullu


Which is the highest literary award of the world?
Options: Nobel Prize,    Booker Prize,    Pulitzer Prize,    Magsaysay Award


40. When the same word is used in multiple locations or a word is used that was not quite appropriate, a thesaurus can be used to look up a (n) _____ or a word similar in meaning.
Options: a. synonym b. homonym c. antonym d. metronym

Ans:– A ,– A

A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?
Options: 1000 V and a series resistance of 10 k Ohm,    100 V and a parallel resistance of 10 k Ohm,    100 V and a series resistance of 10 k Ohm,    1000 V and a parallel resistance of 10 kOhm

Ans:C ,C

Which of the following allow you to select more than one slide in a presentation?
Options: a. Alt + Click each slide b. Shift + drag each slide c. Shift + Click each slide d. Ctrl + Click each slide

Ans: – C , – C

9.A definition of a concept is——if it recognizes all the instances of that concept.
Options: (A)Complete (B) Consistent (C) Constant (D) None of these

Ans:19. (A),19. (A)

where is dr rajendra prasad medical centre
Options: kangra, chamba, bilaspur, hamirpur, kullu


The traditional lands of the nomads of Central Asia are
Options: Mongolia and Tibet,    Sinkiang and Turkistan,    Kirghiz steppe,    All of the above


In the system concepts, term Integration
Options: implies structure and order,    refers to the manner in which each component functions with other components of the system.,    means that parts of the computer system depend on one another.,    refers to the holism of systems

Ans:D ,D