List of practice Questions

In an oligopeptide named Alanylglycylphenyl alanyl isoleucine, the number of sp² hybridised carbons is_____.

The mass of NH3 produced when 131.8 kg of cyclohexanecarbaldehyde undergoes Tollen's test is ___ kg. (Nearest Integer)
Molar Mass of C = 12g/mol 
N = 14g/mol 
0 = 16g/mol

Identity the characteristic of entrepreneurship from the following ?

Complete the formula :
Gross Fiscal Deficit = Total Expenditure - ( Revenue receipts + ? )

The file pointer is at beginning of the file in :
\((A) r \\ (B) r+ \\(C) a+ \\ (D) W+ \\ (E) a\)
 Choose the correct answer from the options given below :

If an error encountered in a method, then what would be one of the correct sequence of the following steps in the exception handling process :
(A) Exception is raised 
(B) Create exception object 
(C) Searches for method in call stack in reverse sequence 
(D) An error encountered in a method 
(E) Runtime system searches for exception handler in the current method 
Choose the correct answer from the options given below :

Yash wrote a program for inserting and deleting data in a file, using Python, One of the functions, he used is incorrect. identify the incorrect function.

If a statement int ('Hello') is written in python, then what kind of exception will it give ?

Match LIST I with LIST II

LIST I Mineral		LIST II  States
A	UNIQUE	I	The column which refers to value of an attributes defined primary key in another table
B	Primary key	II	A value specified for the column if no value is specified
C	Default	III	The column which can uniquely identify each row/record in a table
D	Foreign key	IV	Ensures that all the values in a column are distinct

Choose the Correct answer from the options given below

In relational database management system RDBMS, a tuple is defined as :

A key is used to represent the relationship between two relations.

How many join operation are needed to combine N tables on equality condition.

Consider the tables A and B given below. How many tuples will be in the output after apply A B operation.
A

SNO	Name	Class
1	Meena	8
2	Meena	6
3	Leena	7
4	Vijaya	7
5	Sujata	8

B

SNO	Name	Class
1	Asha	7
2	Meena	6
3	Mohit	7
4	Vijaya	7

Arrange the following commands in the correct order of execution
(A) SELECT 
(B) ORDER BY 
(C) GROUP BY 
(D) WHERE 
(E) FROM
 Choose the correct answer from the options given below:

Which is not correct about string function?

Which device is used to send the signals to only selected device instead of sending to all:

is a combination of hardware and software which tulfill request by the web browser.

Nisha wants to install a computer network in her office at minimum cost. Help her to choose a topology in which less wire is used:

Which of the following are true about cookies.
(A) A cookie is a text file containing a string of information which is transferred by the website to the Browser when we browse it. 
(B) The information stored is retransmitted to the server. 
(C) It helps in customizing the information that will be displayed. 
(D) Cookies are always harmless. 
(E) First cookie software was created in 1994 at Netscape. 
Choose the correct answer from the options given below :

Given an infix expression ((X+Y)*Z)/(5i+W) write its postfix notation :

if len(Stack) =0 : print("error") The above statement is handling the situation called :

identify the stack in given example :

Which one of the fallowing statement is wrong for Queue and stack data structures ?

There are five statements listed below. Each statement having some information related to data structure. Identify the correct statement(s).
(A) A stack is an example of a FIFO data structure 
(B) The function top() removes the value from the top of a stack 
(C) The term deque stands for double ended queue 
(D) A queue is a data structure in which items can be added or removed from either end 
(E) PEEK is an operation used to view elements at the front of the queue, without removing it from the queue 
Choose the correct answer from the options given below:

Which of the following is(are) true for hashing
(A) The time required to compute the index value is independent of the number of items in the list 
(B) The time required to compute the index value depend on the number of items in the list 
(C) The cost of computing a hash function does not affect the performance of hashing based searching 
(D) The time taken by different hash functions may be different 
(E) There is no problem of collision in hashing 
Choose the correct answer from the options given below :