Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Modern Application Development I

All 2025 papers

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Quiz 1 · 26 Oct 2025 (AN)Quiz 1

Q1MCQ2 Marks·Choose one option
Key ↓
Which of the following is the correct syntax to display the total number of courses in a Jinja2 template?
1. A
2. B
3. C
4. D
Q2MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q3MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. AStatement 1 is correct, but statement 2 is incorrect.
2. BStatement 2 is correct, but statement 1 is incorrect.
3. CBoth statements 1 and 2 are correct
4. DBoth statements 1 and 2 are incorrect
Q4MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q5MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q6MCQ3 Marks·Choose one option
Key ↓
1. A1 → B, 2 → C, 3 → D, 4 → A
2. B1 → A, 2 → B, 3 → C, 4 → D
3. C1 → B, 2 → D, 3 → C, 4 → A
4. D1 → C, 2 → D, 3 → A, 4 → B
Q7MSQ3 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Q8MSQ3 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
Q9MCQ4.5 Marks·Choose one option
Key ↓
1. A200 px
2. B230 px
3. C240 px
4. D250 px
Q10MCQ4.5 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q11MSQ2 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
Q12MSQ2 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q13–Q14
Based on the above data, answer the given subquestions.
Q13MCQ4.5 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q14MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q15–Q16
Based on the above data, answer the given subquestions.
Q15MCQ4.5 Marks·Choose one option
Key ↓
From the given options, select which part of the code (if any) will throw an error first in the terminal and prevent the Flask application from running successfully ?
1. A
2. B
3. C
4. D
Q16MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D

End Term · 31 Aug 2025 (FN)End Term

Q17MCQ2 Marks·Choose one option
Key ↓
You're designing an API to update a user's profile picture but your database has 4 records in a row, profile picture is one of them. Which HTTP method is most appropriate?
1. APOST
2. BPATCH
3. CPUT
4. DDELETE
Q18MCQ2 Marks·Choose one option
Key ↓
What is the correct sequence of operations when receiving a form in Flask?
1. AValidate → Render → Access → Store
2. BAccess → Store → Validate → Render
3. CAccess → Validate → Store → Redirect
4. DPOST → GET → Redirect → Validate
Q19MCQ2 Marks·Choose one option
Asked 2 times Key ↓
Consider the following statements and choose the correct option Statement 1: It is mandatory to implement server-side validations and client-side validations. Statement 2: Server-side validations can be implemented using HTML5.
1. AStatement 1 is false, while statement 2 is true
2. BStatement 1 is true, while statement 2 is false
3. CBoth statements are false
4. DBoth statements are true
Q20MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q21MCQ2 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q22MCQ3 Marks·Choose one option
Key ↓
1. AThere is no return statement inside the function
2. BThe form is missing CSRF protection
3. CThe Flask route does not allow POST method
4. DThe route should have a trailing slash
Q23MCQ3 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q24MCQ3 Marks·Choose one option
Asked 2 times Key ↓
A user downloads a 10 MB file from a server with 5 Mbps speed. How long does it approximately take?
1. A2 seconds
2. B10 seconds
3. C16 seconds
4. D1.6 seconds
Q25MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q26MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q27MCQ3 Marks·Choose one option
Asked 4 times Key ↓
1. AColor: green, Font-size: 20px
2. BColor: orange, Font-size: 14px
3. CColor: purple, Font-size: 20px
4. DColor: purple, Font-size: 14px
Q28MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A1-c, 2-a, 3-d, 4-b
2. B1-d, 2-c, 3-a, 4-b
3. C1-c, 2-d, 3-b, 4-a
4. D1-c, 2-d, 3-a, 4-b
Q29MCQ3 Marks·Choose one option
Asked 5 times Key ↓
1. A
2. B
3. C
4. D
Q30MCQ3 Marks·Choose one option
Asked 4 times Key ↓
1. ABlue
2. BRed
3. CGreen
4. DBlack
Q31MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A1-a, 2- c, 3-b, 4-d, 5-e
2. B1-b, 2- c, 3-a, 4-e, 5-d
3. C1-e, 2- d, 3-b, 4-a, 5-c
4. D1-e, 2- d, 3-c, 4-a, 5-b
Q32MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q33MCQ4.5 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q34MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. AAll routes will work correctly as Flask will automatically search in both templates/ and custom_templates/ folders
2. BThe / and /dashboard routes will fail with TemplateNotFound error, while /admin and /profile routes will work correctly
3. COnly the /admin and /profile routes will work correctly, while / and /dashboard routes will fail with TemplateNotFound error
4. DAll routes will fail because Flask requires the template folder to be named exactly templates
Q35MCQ4.5 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q36MSQ2 Marks·Choose all correct options
Key ↓
Which statements about REST API design are correct?
1. APUT requests should be idempotent
2. BGET requests can have request bodies for complex queries
3. CPATCH is used for partial updates
4. DDELETE must return the deleted resource
Q37MSQ3 Marks·Choose all correct options
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q38MSQ3 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Q39MSQ3 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Q40MSQ4.5 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Q41MSQ4.5 Marks·Choose all correct options
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q42–Q43
Based on the above data, answer the given subquestions.
Q42MCQ4.5 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q43MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q44–Q45
Based on the above data, answer the given subquestions.
Q44MCQ4.5 Marks·Choose one option
Key ↓
Which of the following statements about the database schema and model relationships is correct?
1. A
2. B
3. C
4. D
Q45MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q46–Q48
Q46MCQ3 Marks·Choose one option
Asked 6 times Key ↓
1. AAlex scored 0 and received grade F
2. BInvalid marks for Alex
3. CAlex scored eighty and received grade F
4. DError 500: Internal Server Error
Q47MCQ2 Marks·Choose one option
Asked 6 times Key ↓
1. AGuest scored 88 and received grade A
2. BGuest scored 88 and received grade B
3. CGuest scored 0 and received grade F
4. DInvalid marks for Guest
Q48MCQ2 Marks·Choose one option
Asked 6 times Key ↓
1. AAnya scored 59.5 and received grade F
2. BAnya scored 0 and received grade F
3. CInvalid marks for Anya
4. DAnya scored 59 and received grade F

End Term · 31 Aug 2025 (AN)End Term

Q49MCQ2 Marks·Choose one option
Key ↓
1. ARiya
2. BName stored in database
3. CNone
4. DError
Q50MCQ2 Marks·Choose one option
Key ↓
What does SQLAlchemy's lazy='dynamic' do?
1. ALoads extra content of all the tables
2. BReturns a query object that can be filtered
3. CLoads all related records immediately
4. DForces join queries at once
Q51MCQ2 Marks·Choose one option
Key ↓
Why is using the GET method for sensitive data discouraged?
1. AGET encrypts the URL
2. BData becomes part of browser history and URL
3. CIt uses a separate request header
4. DFlask doesn’t support GET by default
Q52MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q53MCQ2 Marks·Choose one option
Key ↓
A login form doesn't show any message when users enter wrong credentials. Which Nielsen heuristic is violated?
1. AAesthetic and minimalist design
2. BVisibility of system status
3. CError prevention
4. DRecognition rather than recall
Q54MSQ2 Marks·Choose all correct options
Key ↓
Which of the following are handled by the browser and not the Flask server?
1. AParsing HTML
2. BAuto-filling saved form data
3. CURL routing
4. DJavaScript execution
Q55MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q56MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q57MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q58MCQ3 Marks·Choose one option
Key ↓
1. AResult: 20
2. BResult: 1
3. CResult: 5
4. DResult: 4
Q59MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q60MCQ3 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q61MCQ3 Marks·Choose one option
Asked 2 times Key ↓
A user downloads a 10 MB file from a server with 5 Mbps speed. How long does it approximately take?
1. A2 seconds
2. B10 seconds
3. C16 seconds
4. D1.6 seconds
Q62MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q63MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q64MCQ3 Marks·Choose one option
Asked 5 times Key ↓
1. A
2. B
3. C
4. D
Q65MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A1-a, 2- c, 3-b, 4-d, 5-e
2. B1-b, 2- c, 3-a, 4-e, 5-d
3. C1-e, 2- d, 3-c, 4-a, 5-b
4. D1-e, 2- d, 3-b, 4-a, 5-c
Q66MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q67MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q68MCQ4.5 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q69MCQ4.5 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q70MSQ3 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q71MSQ3 Marks·Choose all correct options
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q72MSQ4.5 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Q73MSQ4.5 Marks·Choose all correct options
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Read the passage below, then answer Q74–Q75
Based on the above data, answer the given subquestions.
Q74MSQ4.5 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
5. E
Q75MSQ3 Marks·Choose all correct options
Key ↓
Analyze the following URLs and their expected behaviors. Which statement is CORRECT?
1. A
2. B
3. C
4. D
5. E
Read the passage below, then answer Q76–Q77
Based on the above data, answer the given subquestions.
Q76MCQ4.5 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q77MCQ3 Marks·Choose one option
Key ↓
1. ARequest 1: 400, Request 2: 201, Request 3: 204
2. BRequest 1: 201, Request 2: 201, Request 3: 204
3. CRequest 1: 400, Request 2: 405, Request 3: 204
4. DRequest 1: 201, Request 2: 405, Request 3: 200
Read the passage below, then answer Q78–Q80
Q78MCQ3 Marks·Choose one option
Asked 6 times Key ↓
1. AAlex scored 0 and received grade F.
2. BAlex scored eighty and received grade F
3. CError 500: Internal Server Error
4. DInvalid marks for Alex
Q79MCQ2 Marks·Choose one option
Asked 6 times Key ↓
1. AGuest scored 88 and received grade A
2. BGuest scored 0 and received grade F
3. CGuest scored 88 and received grade B
4. DInvalid marks for Guest
Q80MCQ2 Marks·Choose one option
Asked 6 times Key ↓
1. AAnya scored 59.5 and received grade F
2. BInvalid marks for Anya
3. CAnya scored 0 and received grade F
4. DAnya scored 59 and received grade F

Quiz 2 · 3 Aug 2025 (AN)Quiz 2

Q81MCQ2 Marks·Choose one option
Key ↓
You manage a datacenter where each server has a 10 Gigabit per second network connection and the facility’s backbone link is also 10 Gbps. Your application is handling 10,000 requests per second, each with a 50 KB response, which translates to about 4 Gbps of required throughput. So, if each request involves minimal CPU processing, and the existing server has sufficient resources to handle the load. Which of the following scaling strategies is most appropriate to meet this demand?
1. AScale up on a single server
2. BScale out to multiple servers in the datacenter
3. CBoth will produce similar results
4. DNone of these
Q82MCQ2 Marks·Choose one option
Key ↓
Which of the following statements BEST describes a key advantage of Jinja2 server-side rendering over JavaScript/JSON-based client-side rendering?
1. AIt guarantees that dynamic updates on user interactions never require additional data fetches.
2. BIt provides faster initial page load and improved Search Engine Optimization without requiring client-side template logic.
3. CIt allows the client to handle all template rendering, reducing load on the server.
4. DNone of these
Q83MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q84MCQ2 Marks·Choose one option
Key ↓
What is the right syntax to use an external JavaScript file(.js) into the current html file?
1. A
2. B
3. C
4. D
Q85MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q86MCQ3 Marks·Choose one option
Asked 5 times Key ↓
1. A10
2. B9
3. C3
4. D4
Q87MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q88MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. AYou are authorized!!
2. BYou are unauthorized!!
3. CNot Found
4. DInternal Server Error
Q89MCQ4.5 Marks·Choose one option
Key ↓
1. AGreet4
2. BGreet3
3. CGreet2
4. DGreet1
Q90MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q91MSQ3 Marks·Choose all correct options
Key ↓
Which of the following statements is/are false about caching in REST APIs?
1. ACaching allows storing server responses in a proxy or frontend so that a client need not make requests to the server for the same resources repeatedly.
2. BCaching degrades the overall quality of service and increases load on the servers.
3. CBrowsers treat all GET and POST requests cacheable by default.
4. DCaching optimizes the network by increasing the latency.
Q92MSQ3 Marks·Choose all correct options
Key ↓
Which of the following is/are correct with respect to storing data in graphs?
1. AData on social networks can be stored with the help of graphs.
2. BGraphs support storing attributes such as node degree, edge weights ,and other metadata.
3. CData is stored as a key-value pair.
4. DIn graphs, path finding is not as important as just searching the data.
Q93MSQ4.5 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
5. E
Q94NAT3 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Read the passage below, then answer Q95–Q96
Q95MSQ4.5 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
Q96MSQ3 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D

End Term · 13 Apr 2025 (FN)End Term

Q97MCQ2 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q98MCQ2 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q99MCQ2 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q100MCQ2 Marks·Choose one option
Asked 2 times Key ↓
1. A1-c, 2-a, 3-d, 4-b
2. B1-d, 2-c, 3-a, 4-b
3. C1-c, 2-d, 3-b, 4-a
4. D1-c, 2-d, 3-a, 4-b
Q101MCQ3 Marks·Choose one option
Key ↓
1. APerceivable
2. BOperable
3. CUnderstandable
4. DRobust
Q102MCQ3 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q103MCQ3 Marks·Choose one option
Asked 4 times Key ↓
1. A1- b, 2 - a, 3- d, 4 - c
2. B1- c, 2 - d, 3- d, 4 - b
3. C1- c, 2 - a, 3- d, 4 - b
4. D1- a, 2 - c, 3- b, 4 - d
Q104MCQ3 Marks·Choose one option
Key ↓
A Server S needs to retrieve data from two datacenters D1 and D2 located at 1500 kilometres and 3000 kilometres respectively. Server S and D1 are connected via medium M1 through which information can be transferred with the speed of 1.5×10^8 m/sec, and server S and D2 are connected via medium M2. If the server received data from both the data centres at the same time, what must be the speed of information transfer in medium M2(overheads should be ignored)? (Concept: Performance parameters of a network)
1. A
2. B
3. C
4. D
Q105MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A3000
2. B6000
3. C9000
4. D12000
Q106MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A64.8
2. B18
3. C5.4
4. D22.5
Q107MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q108MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. AOnly 3
2. BOnly 3 and 4
3. COnly 5 and 6
4. DOnly 3, 4, 5 and 6
Q109MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. AGET
2. BPOST
3. CPUT
4. DDELETE
Q110MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q111MCQ3 Marks·Choose one option
Asked 5 times Key ↓
1. A
2. B
3. C
4. D
Q112MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q113MCQ4.5 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q114MCQ4.5 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q115MCQ4.5 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q116MCQ4.5 Marks·Choose one option
Key ↓
1. A1-c, 2-b, 3-a, 4-d
2. B1-c, 2-d, 3-a, 4-b
3. C1-b, 2-a, 3-b, 4-d
4. D1-b, 2-b, 3-a, 4-a
Q117MCQ4.5 Marks·Choose one option
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q118MSQ3 Marks·Choose all correct options
Key ↓
Which of the following statements about networking concepts (TCP, UDP, Proxy, Peer-to-Peer, Broadcast, Unicast, Multicast) are correct?
1. ATCP is a connection-oriented protocol that ensures reliable data delivery.
2. BUDP is a connectionless protocol that is faster but less reliable than TCP.
3. CProxy servers facilitate direct peer-to-peer connections between devices.
4. DBroadcast sends a message to all devices in the network.
5. EUnicast is a one-to-many communication model.
Q119MSQ3 Marks·Choose all correct options
Key ↓
1. AThe signup page is dynamically generated.
2. BThe signup page uses server-side rendering.
3. CThe signup page uses frontend validation.
4. DThe signup page uses backend validation.
Q120MSQ3 Marks·Choose all correct options
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q121MSQ4.5 Marks·Choose all correct options
Key ↓
1. A
2. B
3. C
4. D
Q122MSQ4.5 Marks·Choose all correct options
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
5. E
Read the passage below, then answer Q123–Q124
Based on the above data, answer the given subquestions.
Q123MCQ2 Marks·Choose one option
Key ↓
1. AStudents Score: 120
2. Bstudents Score : 120
3. CTeam not found
4. DScore: students
Q124MCQ4.5 Marks·Choose one option
Key ↓
1. ADr.Prashant (Instructors) Scored: 40
2. BDr.Prashant (Instructors) Scored: Player not found
3. CPlayer not found
4. DInternal Server Error
Read the passage below, then answer Q125–Q126
A college counseling system is designed to store and retrieve student records efficiently. The system uses different types of storage based on latency, throughput, and density. During peak counseling sessions, thousands of students access their academic records, appointment schedules, and previous counseling notes. The system needs to optimize storage selection for different types of data:
1. Frequently accessed small data (e.g., currently active student records)
2. Large archives of past counseling records (rarely accessed but need long-term storage) 3. Temporary session data that needs to be quickly read and updated during counseling sessions Based on the above data, answer the given subquestions.
Q125MCQ2 Marks·Choose one option
Key ↓
Which of the following storage types should be used for storing frequently accessed small student records that need low latency and high-speed access?
1. AHard Disk Drive (HDD)
2. BSolid State Drive (SSD)
3. CStatic RAM (SRAM)
4. DRegisters
Q126MCQ2 Marks·Choose one option
Key ↓
The college wants to store archived counseling records from past students for future reference. These records are rarely accessed, but cost efficiency and storage density are important. Which storage type is best suited?
1. ARegisters
2. BSRAM
3. CDRAM
4. DHard Disk Drive (HDD)
Read the passage below, then answer Q127–Q128
Q127MSQ3 Marks·Choose all correct options
Key ↓
Which of the following statements is/are True?
1. A
2. B
3. C
4. D
Q128MCQ2 Marks·Choose one option
Key ↓
Which of the following is the correct way of adding records into the ‘student’ and the ‘test_marks’ tables?
1. A
2. B
3. C
4. D