List of practice Questions

Mention any one mature Harappan site in present Pakistan.

Arrange the following complex ions in increasing order of their wavelength of light absorbed:
(A) \([\text{Co}(\text{CN})_6]^{3-}\)
(B) \([\text{Co}(\text{NH}_3)_6]^{3+}\)
(C) \([\text{CoF}_6]^{3-}\)
(D) \([\text{Co}(\text{C}_2\text{O}_4)_3]^{3-}\)
Choose the correct answer from the options given below:

One mole of glucose molecules contains approximately:

Given below is a drawing on a sheet of paper. Make a cut along the solid arcs and fold the resulting semicircular rings at 90 degrees along the dotted lines. What is the number of raised semicircular rings after following these steps?

Which therapy is marked contraindicated in the \(\gt 70\) years age group?

Find the total number of distinct binary relations that can be defined over a set \( A \) containing exactly 3 elements.

Breaking down big goals into smaller parts will make the goals ________

Which cardiac abnormality is most characteristically associated with systemic sclerosis (scleroderma)?

Verbosity : Brevity :: Insolence : __________

Choose the word that best fills the blank.

Does a step up transformer contradict the principle of conservation of energy? Justify your answer.

A light copper ring is freely suspended by a light string. A bar magnet is held horizontally with its length along the axis of the ring. The magnet is moved towards the ring with its N pole facing the loop. What will happen to the ring and its position? Explain.

A narrow electron beam passes undeviated through an electric field of \( 4\times10^{4}\ \text{V/m} \) and a magnetic field \( 2\times10^{-3}\ \text{weber/m}^2 \) applied at the same place. The speed of the electron beam will be:

Identify the correct statements:
• [A.] The ruins at Hampi were brought to light in 1800.
• [B.] Colonel Colin prepared the first survey map of the Hampi.
• [C.] Much of the initial information Colin received was based on the memories of priests of the Virupaksha temple and the shrine of Pampadevi.
• [D.] From 1900, photographers began to record the monuments which enabled scholars to study them.
• [E.] As early as 1936 epigraphists began collecting several dozen inscriptions. Choose the correct answer from the options given below:

In a haplodiploid ant species, sons are haploid and produced from unfertilized eggs, while daughters are diploid and produced from fertilized eggs. A single queen establishes a colony after mating with three different unrelated males. The queen uses the sperm from all three males equally to produce her female offspring. The average genetic relatedness between two randomly selected female offspring in this colony will be:

Hydrogenation of ethene represented by,
\[ \text{C}_2\text{H}_4\text{(g)} + \text{H}_2\text{(g)} \rightarrow \text{C}_2\text{H}_6\text{(g)} \]
is an example of:

Which of the following is the correct IUPAC name for the coordination compound
\[ [\text{Pt}(\text{NH}_3)_2\text{Cl}(\text{NO}_2)] \]

The species-area relationship is represented on a log scale as

Consider the table 'STUDENT':

Name	Class	DOB	Gender	City	Marks
Rohan	XI	2008	M	Delhi	85
Priya	XII	2006	F	Mumbai	92
Ankit	XI	2007	M	Delhi	88
Nidhi	XII	2006	F	Mumbai	90
Aarav	IX	2009	M	Kolkata	78
Simran	XI	2007	F	Chandigarh	94
Rahul	XII	2006	M	Pune	80

From the above table 'STUDENT', which query will return all the students from class 'XI'?

Match List-I with List-II:

List-I	List-II
(A) Retrieve all rows with duplicates removed	(I) GROUP BY
(B) Filter rows based on condition	(II) ORDER BY
(C) Aggregate data into groups	(III) DISTINCT
(D) Sort rows in ascending or descending order	(IV) WHERE

Choose the correct answer from the options given below:

Match List-I with List-II:

List-I (Network Devices)	List-II (Description)
(A) Switch	(I) Sends signals only to the selected devices instead of sending to all.
(B) Repeater	(II) An analog device that works with signals on the cables to which it is connected.
(C) Hub	(III) A network device used to connect different devices through wires.
(D) Ethernet Card	(IV) A network adapter acts as an interface between the computer and the network.

Choose the correct answer from the options given below:

Match List-I with List-II:

List-I (Key Concepts in Database)	List-II (Description)
(A) Database Schema	(I) Snapshot of the database
(B) Database Instance	(II) Restriction on the type of data
(C) Data Dictionary	(III) Skeleton of the database
(D) Data Constraint	(IV) Database catalog

Choose the correct answer from the options given below:

Calculate the degree and cardinality of the given relation below:

ID	Name	Email	Address	Phone No.
001	Ajay	ajay@abc.com	A1-Shakti Nagar, Bangalore	55218936
002	Amit	amit@abc.com	C32-Indira Nagar, Lucknow	45321789
003	Ashu	ashu@abc.com	117/82 Patel Nagar, Delhi	98567894
004	Ashok	ashok@abc.com	249-250, Motinagar, Gujrat	97698541

Sales

ID	customer_id	order_date	total_amount
1	C101	2022-01-15	1000
2	C102	2022-02-20	500
3	C103	2022-03-10	800
4	C101	2022-04-05	600

What is the result of the following query with respect to the given relation 'Sales'?

SELECT COUNT(DISTINCT customer_id) FROM Sales;

Match List-I with List-II:

List-I (Topology)	List-II (Characteristics)
(A) Star	(I) Single backbone cable
(B) Bus	(II) Central hub or switch
(C) Ring	(III) Unidirectional link
(D) Hybrid	(IV) Multiple branches

Choose the correct answer from the options given below:

Consider the following numList:

Sequence the following output obtained after each pass of comparison using bubble sort.

(A) \(7\quad 8\quad 1\quad -9\quad 4\quad 13\)
(B) \(7\quad 1\quad -9\quad 4\quad 8\quad 13\)
(C) \(-9\quad 1\quad 4\quad 7\quad 8\quad 13\)
(D) \(1\quad -9\quad 4\quad 7\quad 8\quad 13\)

Choose the correct answer from the options given below: