Brand Logo

Loading Edzy magic ...

Class 9

Class 9 - English
Moments (9 Chapters)|
Beehive (18 Chapters)|
Words and Expressions - I (9 Chapters)
Class 9 - Health and Physical Education
Health and Physical Education (14 Chapters)
Class 9 - Hindi
Sanchayan (4 Chapters)|
Sparsh (10 Chapters)|
Kshitij (13 Chapters)|
Kritika (4 Chapters)
Class 9 - ICT
Information and Communication Technology (8 Chapters)
Class 9 - Mathematics
Mathematics (12 Chapters)
Class 9 - Sanskrit
Shemushi Prathmo Bhag (10 Chapters)|
Vyakaranavithi (20 Chapters)|
Abhyaswaan Bhav (15 Chapters)
Class 9 - Science
Science (12 Chapters)
Class 9 - Social Science
Contemporary India (6 Chapters)|
Democratic Politics (5 Chapters)|
Economics (4 Chapters)|
India and the Contemporary World - I (5 Chapters)

Class 10

Class 10 - English
First Flight (22 Chapters)|
Foot Prints Without feet (9 Chapters)|
Words and Expressions - II (9 Chapters)
Class 10 - Health and Physical Education
Health and Physical Education (13 Chapters)
Class 10 - Hindi
Kshitij - II (13 Chapters)|
Sparsh (14 Chapters)|
Sanchayan - II (3 Chapters)|
Kritika (3 Chapters)
Class 10 - Mathematics
Mathematics (14 Chapters)
Class 10 - Sanskrit
Vyakaranavithi (14 Chapters)|
Shemushi - II (12 Chapters)|
Abhyaswaan Bhav - II (14 Chapters)
Class 10 - Science
Science (13 Chapters)
Class 10 - Social Science
Contemporary India (7 Chapters)|
Democratic Politics (5 Chapters)|
India and the Contemporary World - II (5 Chapters)|
Understanding Economic Development (5 Chapters)
Class 10 - Urdu
Nawa-e-urdu (15 Chapters)

Class 11

Class 11 - Accountancy
Accountancy - II (2 Chapters)|
Financial Accounting - I (7 Chapters)
Class 11 - Biology
Biology (19 Chapters)
Class 11 - Biotechnology
Biotechnology (12 Chapters)
Class 11 - Business Studies
Business Studies (11 Chapters)
Class 11 - Chemistry
Chemistry Part - I (6 Chapters)|
Chemistry Part - II (3 Chapters)
Class 11 - Computer Science
Computer Science (11 Chapters)
Class 11 - Creative Writing and Translation
Srijan (4 Chapters)
Class 11 - Economics
Statistics for Economics (8 Chapters)|
Indian Economic Development (8 Chapters)
Class 11 - English
Hornbill (11 Chapters)|
Snapshots (5 Chapters)|
Woven Words (27 Chapters)
Class 11 - Fine Art
An Introduction to Indian Art Part - I (8 Chapters)
Class 11 - Geography
Fundamentals of Physical Geography (14 Chapters)|
India Physical Environment (6 Chapters)|
Practical Work in Geography (6 Chapters)
Class 11 - Health and Physical Education
Health and Physical Education (11 Chapters)
Class 11 - History
Themes in World History (13 Chapters)
Class 11 - Home Science
Human Ecology and Family Sciences - I (7 Chapters)|
Human Ecology and Family Sciences - II (4 Chapters)
Class 11 - Informatics Practices
Informatics Practices (8 Chapters)
Class 11 - Knowledge Traditions Practices of India
Knowledge Traditions Practices of India (9 Chapters)
Class 11 - Mathematics
Mathematics (14 Chapters)
Class 11 - Physics
Physics Part - I (7 Chapters)|
Physics Part - II (7 Chapters)
Class 11 - Political Science
Indian Constitution at Work (10 Chapters)|
Political Theory (8 Chapters)
Class 11 - Psychology
Introduction to Psychology (8 Chapters)
Class 11 - Sangeet
Tabla evam Pakhawaj (8 Chapters)|
Hindustani Sangeet Gayan Evam Vadan (10 Chapters)
Class 11 - Sociology
Understanding Society (5 Chapters)|
Introducing Sociology (5 Chapters)

Class 12

Class 12 - Accountancy
Accountancy Part - I (4 Chapters)|
Accountancy Part - II (6 Chapters)
Class 12 - Biology
Biology (13 Chapters)
Class 12 - Biotechnology
Biotechnology (13 Chapters)
Class 12 - Business Studies
Business Studies - II (3 Chapters)|
Business Studies - I (8 Chapters)
Class 12 - Chemistry
Chemistry - II (5 Chapters)|
Chemistry - I (5 Chapters)
Class 12 - Computer Science
Computer Science (13 Chapters)
Class 12 - Economics
Introductory Microeconomics (5 Chapters)|
Introductory Macroeconomics (6 Chapters)
Class 12 - English
Flamingo (14 Chapters)|
Vistas (7 Chapters)|
Kaliedoscope (21 Chapters)
Class 12 - Fine Art
An Introduction to Indian Art Part - II (8 Chapters)
Class 12 - Geography
Practical Work in Geography - Part II (4 Chapters)|
Fundamentals of Human Geography (8 Chapters)|
India - People and Economy (9 Chapters)
Class 12 - Hindi
Aroh (15 Chapters)|
Antra (23 Chapters)|
Antral Bhag - II (3 Chapters)|
Vitan (3 Chapters)
Class 12 - History
Themes in Indian History - III (4 Chapters)|
Themes in Indian History - I (4 Chapters)|
Themes in Indian History - II (4 Chapters)
Class 12 - Home Science
Human Ecology and Family Sciences Part I (7 Chapters)|
Human Ecology and Family Sciences Part II (7 Chapters)
Class 12 - Informatics Practices
Informatics Practices (7 Chapters)
Class 12 - Mathematics
Mathematics Part - I (6 Chapters)|
Mathematics Part - II (7 Chapters)
Class 12 - Physics
Physics Part - I (8 Chapters)|
Physics Part - II (6 Chapters)
Class 12 - Political Science
Politics in India Since Independence (8 Chapters)|
Contemporary World Politics (7 Chapters)
Class 12 - Psychology
Psychology (7 Chapters)
Class 12 - Sangeet
Hindustani Sangeet Gayan Evam Vadan (9 Chapters)|
Tabla evam Pakhawaj (7 Chapters)
Class 12 - Sociology
Social Change and Development in India (8 Chapters)|
Indian Society (7 Chapters)

About Edzy - Gamified Learning Platform

Edzy is India's premier gamified AI tutor platform for CBSE and State Board students in classes 6-12. Our platform transforms traditional studying with AI-powered study plans, interactive practice sessions, and personalized learning pathways. Students using Edzy experience unmatched learning efficiency through our immersive educational environment that combines advanced technology with curriculum-aligned content.

Why Choose Edzy for CBSE and State Board Preparation

Edzy offers an adaptive AI educational experience tailored to each student's learning style and pace. We integrate gamification with proven educational strategies to create an engaging environment that students love. Our micro-content approach breaks down complex CBSE and State Board topics into manageable lessons, building confidence through mastery-based progression and real-time feedback.

CBSE and State Board Focus Areas

Edzy specializes in transforming online education for classes 6-12 with AI-powered tutoring. We provide comprehensive NCERT-aligned content and engaging lessons across Mathematics, Science, English, Social Studies, and IT. Our system helps students master fundamental concepts and excel in board exams through AI-generated study plans, personalized learning timelines, and dynamic practice sessions.

Edzy's Unique Approach to Online Learning

Unlike traditional online coaching platforms, Edzy converts CBSE and State Board syllabus content into interactive learning adventures. Our AI tutor provides timely assistance while adapting to student progress. The platform features instant feedback, gamified practice sessions, and achievement badges to motivate continuous learning and concept mastery.

Brand Logo

Edzy | Largest Online Learning Platform for Classes 6–12

Study smarter with Edzy – India’s leading gamified AI tutor for CBSE and State Boards. Designed for Classes 6–12, Edzy offers interactive lessons, AI-powered study plans, and rewarding practice tools for every subject.

Find us on Social Media

Links

About EdzyFAQsContact UsCBSE CoursesDuelsRumblesEdzy App

Parents & Teachers

Search EdzyParent DashboardCreator PlatformEducation BlogCBSE & NCERT News

Policies

Terms and ConditionsRefund PolicyPrivacy PolicyCookie Policy

© 2026 Edzy | Largest Online Learning Platform for Classes 6–12. All rights reserved.

Edzy is an AI tutor for CBSE and State Board students, offering interactive lessons and personalized learning for Classes 6–12.

SitemapNews SitemapBlog SitemapSchool SitemapAccessibility
CBSE
Class 11
Sociology
Introducing Sociology
SOCIOLOGY AND SOCIETY

Question Bank

Question Bank: SOCIOLOGY AND SOCIETY

Question Bank - SOCIOLOGY AND SOCIETY

View all (146)
Q1.

What is sociology primarily concerned with?

Single Answer MCQ
Q-00071593
Q2.

Who is associated with the concept of sociological imagination?

Single Answer MCQ
Q-00071594
Q3.

Which of the following best describes the term 'public issue' in sociology?

Single Answer MCQ
Q-00071595
Q4.

How does sociology differ from common sense observations?

Single Answer MCQ
Q-00071596
Q5.

What role does 'culture' play in determining what is considered a 'good job'?

Single Answer MCQ
Q-00071597
Q6.

Which of the following factors can affect individual job prospects aside from effort?

Single Answer MCQ
Q-00071598
Q7.

In sociology, the concept of 'relevant society' refers to what?

Single Answer MCQ
Q-00071599
Q8.

What does the term 'societal factors' refer to in the context of job markets?

Single Answer MCQ
Q-00071600
Q9.

Which is NOT a focus of sociology as described in the introductory chapter?

Single Answer MCQ
Q-00071601
Q10.

Which statement reflects the relationship between individual choices and societal expectations?

Single Answer MCQ
Q-00071602
Q11.

Why might different societies have varying notions of what a 'good job' is?

Single Answer MCQ
Q-00071603
Q12.

What does the study of sociology require in terms of approach?

Single Answer MCQ
Q-00071604
Q13.

Why is understanding the historical context of sociology important?

Single Answer MCQ
Q-00071605
Q14.

In what way does sociology view individual struggles?

Single Answer MCQ
Q-00071606
Q15.

Which of the following best describes the concept of pluralities in society?

Single Answer MCQ
Q-00071607
Q16.

In terms of social inequality, which phrase by Amartya Sen highlights the disparity between different social groups?

Single Answer MCQ
Q-00071608
Q17.

What sociological term best describes the hierarchy of groups based on power and privilege?

Single Answer MCQ
Q-00071609
Q18.

A significant aspect of diversity in society is often related to which of the following factors?

Single Answer MCQ
Q-00071610
Q19.

Which of the following is a common form of inequality observed in societies?

Single Answer MCQ
Q-00071611
Q20.

How does the concept of caste in Indian society demonstrate social inequality?

Single Answer MCQ
Q-00071612
Q21.

What is the term used to describe the unequal access to resources among different ethnic or social groups?

Single Answer MCQ
Q-00071613
Q22.

Which of the following is NOT a characteristic of power dynamics in plural societies?

Single Answer MCQ
Q-00071614
Q23.

The term 'intersectionality' in sociology refers to which phenomenon?

Single Answer MCQ
Q-00071615
Q24.

Which of the following best exemplifies functionalism in relation to plural societies?

Single Answer MCQ
Q-00071616
Q25.

Which factor primarily contributes to social mobility in a plural society?

Single Answer MCQ
Q-00071617
Q26.

Which of the following describes a potential consequence of social inequality in plural societies?

Single Answer MCQ
Q-00071618
Q27.

In a plural society, what role does education play in addressing inequalities?

Single Answer MCQ
Q-00071619
Q28.

What is the impact of globalization on plural societies with respect to inequality?

Single Answer MCQ
Q-00071620
Q29.

What does the sociological imagination primarily help us understand?

Single Answer MCQ
Q-00071621
Q30.

Which of the following is a characteristic of personal troubles according to C. Wright Mills?

Single Answer MCQ
Q-00071622
Q31.

How can sociology inform our understanding of public issues like unemployment?

Single Answer MCQ
Q-00071623
Q32.

In C. Wright Mills' framework, what is the difference between 'personal troubles' and 'public issues'?

Single Answer MCQ
Q-00071624
Q33.

What is a public issue related to homelessness as discussed in the context of the sociological imagination?

Single Answer MCQ
Q-00071625
Q34.

Which sociological concept allows individuals to see the connection between personal issues and societal structures?

Single Answer MCQ
Q-00071626
Q35.

Why is understanding both personal troubles and public issues essential in sociology?

Single Answer MCQ
Q-00071627
Q36.

Which statement best exemplifies a personal trouble?

Single Answer MCQ
Q-00071628
Q37.

In the context of the sociological imagination, how does industrialization affect individuals?

Single Answer MCQ
Q-00071629
Q38.

What role does the Pradhan Mantri Awas Yojna-Gramin play in relation to public issues?

Single Answer MCQ
Q-00071630
Q39.

Which of the following best illustrates a public issue?

Single Answer MCQ
Q-00071631
Q40.

What is often a consequence of failing to recognize the connection between personal troubles and public issues?

Single Answer MCQ
Q-00071632
Q41.

How do cultural contexts influence perceptions of a 'good job'?

Single Answer MCQ
Q-00071633
Q42.

What do sociologists mean when they refer to 'relevant society'?

Single Answer MCQ
Q-00071634
Q43.

Why might some argue that the sociological imagination is important for social change?

Single Answer MCQ
Q-00071635
Q44.

Which of the following represents an advanced application of the sociological imagination?

Single Answer MCQ
Q-00071636
Q45.

What primarily differentiates sociological knowledge from common sense knowledge?

Single Answer MCQ
Q-00071637
Q46.

What is the primary focus of sociology as a discipline?

Single Answer MCQ
Q-00071638
Q47.

Which of the following best illustrates a common misconception in common sense knowledge?

Single Answer MCQ
Q-00071639
Q48.

Which concept describes the way groups and societies influence individual behavior?

Single Answer MCQ
Q-00071640
Q49.

Which method distinguishes sociological research from common sense reasoning?

Single Answer MCQ
Q-00071641
Q50.

What is the 'sociological imagination'?

Single Answer MCQ
Q-00071642
Q51.

Why might common sense be misleading in sociological inquiry?

Single Answer MCQ
Q-00071643
Q52.

What distinguishes sociology from anthropology?

Single Answer MCQ
Q-00071644
Q53.

In sociological research, what does the term 'naturalistic explanation' refer to?

Single Answer MCQ
Q-00071645
Q54.

Which of the following best describes empirical investigation in sociology?

Single Answer MCQ
Q-00071646
Q55.

What role does questioning play in sociological inquiry compared to common sense?

Single Answer MCQ
Q-00071647
Q56.

In sociology, how do norms function?

Single Answer MCQ
Q-00071648
Q57.

What is a primary advantage of sociological methods over common sense knowledge?

Single Answer MCQ
Q-00071649
Q58.

What aspect did Peter Berger emphasize in his comparison regarding sociology?

Single Answer MCQ
Q-00071650
Q59.

Which of the following is not a characteristic of common sense knowledge?

Single Answer MCQ
Q-00071651
Q60.

Which term describes the shared beliefs about what is good or bad in society?

Single Answer MCQ
Q-00071652
Q61.

Which critical question should sociologists ask about societal beliefs?

Single Answer MCQ
Q-00071653
Q62.

Why is the study of sociology significant in understanding modern societies?

Single Answer MCQ
Q-00071654
Q63.

What can be a potential consequence of defining societal issues solely through common sense?

Single Answer MCQ
Q-00071655
Q64.

What aspect tends to differentiate the study of sociology from philosophical approaches?

Single Answer MCQ
Q-00071656
Q65.

Which of the following is an intrinsic limitation of common sense knowledge?

Single Answer MCQ
Q-00071657
Q66.

Which process does modernity emphasize in sociological studies?

Single Answer MCQ
Q-00071658
Q67.

What is the sociological perspective on societal observations?

Single Answer MCQ
Q-00071659
Q68.

What role does the study of social inequality play in sociology?

Single Answer MCQ
Q-00071660
Q69.

Which aspect is often overlooked in common sense explanations of poverty?

Single Answer MCQ
Q-00071661
Q70.

How do sociologists approach the study of societal norms?

Single Answer MCQ
Q-00071662
Q71.

How does sociology approach the validity of knowledge differently from common sense?

Single Answer MCQ
Q-00071663
Q72.

What is a potential misconception about the discipline of sociology?

Single Answer MCQ
Q-00071664
Q73.

What economic system became a driving force behind the Industrial Revolution?

Single Answer MCQ
Q-00071665
Q74.

Who is considered the founder of sociology?

Single Answer MCQ
Q-00071666
Q75.

What was a fundamental change brought by industrialisation?

Single Answer MCQ
Q-00071667
Q76.

What characterized the pre-industrial English society?

Single Answer MCQ
Q-00071668
Q77.

What was a consequence of the Industrial Revolution on urban centers?

Single Answer MCQ
Q-00071669
Q78.

Which aspect of capitalism is highlighted in the context of the Industrial Revolution?

Single Answer MCQ
Q-00071670
Q79.

How did the status of skilled laborers change during industrialization?

Single Answer MCQ
Q-00071671
Q80.

Which city is often recognized as the center of the Industrial Revolution?

Single Answer MCQ
Q-00071672
Q81.

Who is considered the founder of sociology?

Single Answer MCQ
Q-00071673
Q82.

What role did entrepreneurs play during the Industrial Revolution?

Single Answer MCQ
Q-00071674
Q83.

Which intellectual movement emphasized reason and individualism in Europe?

Single Answer MCQ
Q-00071675
Q84.

In what way did industrialisation transform social interactions?

Single Answer MCQ
Q-00071676
Q85.

Which of the following thinkers compared society to a living organism?

Single Answer MCQ
Q-00071677
Q86.

Which social issue began to be viewed through the lens of sociology during the Industrial Revolution?

Single Answer MCQ
Q-00071678
Q87.

What concept is associated with the classification of societies into different types?

Single Answer MCQ
Q-00071679
Q88.

What feature of capitalist markets contributed to the new economy during industrialisation?

Single Answer MCQ
Q-00071680
Q89.

What shift in perspective regarding poverty emerged during the Enlightenment?

Single Answer MCQ
Q-00071681
Q90.

Which of the following was a key criticism of the industrial working conditions?

Single Answer MCQ
Q-00071682
Q91.

Which thinker argued that societal progression could contribute to human welfare?

Single Answer MCQ
Q-00071683
Q92.

Which of the following thinkers emphasized the importance of sociology for understanding social problems?

Single Answer MCQ
Q-00071684
Q93.

Which of the following societies is typically classified as modern?

Single Answer MCQ
Q-00071685
Q94.

What was a major environmental consequence of the Industrial Revolution?

Single Answer MCQ
Q-00071686
Q95.

What was a significant outcome of the Industrial Revolution related to sociology?

Single Answer MCQ
Q-00071687
Q96.

What kind of social survey was developed to address the issues arising from industrialization?

Single Answer MCQ
Q-00071688
Q97.

The idea that societies could be categorized into types is largely based on whose intellectual ideas?

Single Answer MCQ
Q-00071689
Q98.

What aspect of society did Darwin's theory primarily influence in sociology?

Single Answer MCQ
Q-00071690
Q99.

How did colonial experiences influence Indian sociology?

Single Answer MCQ
Q-00071691
Q100.

Which methodological approach became significant in studying social phenomena during the Enlightenment?

Single Answer MCQ
Q-00071692
Q101.

Which aspect of societies did early sociologists like Spencer and Comte analyze?

Single Answer MCQ
Q-00071693
Q102.

Which social structure was influenced by the idea of organic analogy in sociology?

Single Answer MCQ
Q-00071694
Q103.

What assumption about Western societies was made by early sociologists?

Single Answer MCQ
Q-00071695
Q104.

What major influence modeled the growth of sociology in India during the colonial period?

Single Answer MCQ
Q-00071696
Q105.

Which Western sociologist commented on the impact of the East India Company on Indian society?

Single Answer MCQ
Q-00071697
Q106.

What did colonial writers often misunderstand about Indian villages?

Single Answer MCQ
Q-00071698
Q107.

M.N. Srinivas argued against the rigid distinction between which two fields in the Indian context?

Single Answer MCQ
Q-00071699
Q108.

What is a primary reason for the growth of sociology in India?

Single Answer MCQ
Q-00071700
Q109.

How did colonialism affect the study of sociology in India compared to the West?

Single Answer MCQ
Q-00071701
Q110.

In the context of sociology, what did the term 'industrialized world' refer to?

Single Answer MCQ
Q-00071702
Q111.

What did Western textbooks commonly misrepresent about Indian social structures?

Single Answer MCQ
Q-00071703
Q112.

Which aspect contributed to the uniqueness of sociology's evolution in India?

Single Answer MCQ
Q-00071704
Q113.

What was an emerging focus of social anthropology in India as it progressed?

Single Answer MCQ
Q-00071705
Q114.

Why is the study of sociology considered essential in contemporary India?

Single Answer MCQ
Q-00071706
Q115.

What is one characteristic of Indian sociology compared to Western sociology?

Single Answer MCQ
Q-00071707
Q116.

What are some topics that Indian sociology explores due to its diverse society?

Single Answer MCQ
Q-00071708
Q117.

What does the term 'post-colonial sociology' in India imply?

Single Answer MCQ
Q-00071709
Q118.

Which of the following is a misconception about Indian society as per colonial narratives?

Single Answer MCQ
Q-00071710
Q119.

What major social transformation occurred in Europe during the 18th and 19th centuries that spurred the development of sociology?

Single Answer MCQ
Q-00071711
Q120.

Why is understanding European sociology important for studying Indian society?

Single Answer MCQ
Q-00071712
Q121.

Which of the following issues raised in the context of 18th and 19th century Europe is also relevant to modern societies?

Single Answer MCQ
Q-00071713
Q122.

Which European thinker is often associated with critiques of capitalist society that have relevance in Indian sociological contexts?

Single Answer MCQ
Q-00071714
Q123.

How did industrial capitalism alter labor organization in the 18th century?

Single Answer MCQ
Q-00071715
Q124.

Which aspect of European industrialization heavily influenced global labor dynamics?

Single Answer MCQ
Q-00071716
Q125.

What role did urbanization play in the growth of sociology in Europe?

Single Answer MCQ
Q-00071717
Q126.

How did the introduction of clock-time impact social organization during industrialization?

Single Answer MCQ
Q-00071718
Q127.

In which way was colonialism linked to sociological studies emerging in Europe?

Single Answer MCQ
Q-00071719
Q128.

Which social phenomenon in Europe prompted discussions relevant to sociology today?

Single Answer MCQ
Q-00071720
Q129.

What was a significant outcome of studying sociology's early development in Europe?

Single Answer MCQ
Q-00071721
Q130.

Which sociological perspective emerged as a response to the changes brought by capitalism during its development?

Single Answer MCQ
Q-00071722
Q131.

Which of the following was a significant factor that distinguished early sociology from earlier philosophical thought?

Single Answer MCQ
Q-00071723
Q132.

What is the primary focus of sociology as a social science?

Single Answer MCQ
Q-00071739
Q133.

How does sociology differ from social anthropology according to Western definitions?

Single Answer MCQ
Q-00071740
Q134.

Which social issue could be a topic of study in sociology?

Single Answer MCQ
Q-00071741
Q135.

What is a defining characteristic of sociology in the context of studying societal issues?

Single Answer MCQ
Q-00071742
Q136.

In what way can sociology be considered interconnected with other social sciences?

Single Answer MCQ
Q-00071743
Q137.

Which method is commonly used by sociologists to study social interactions?

Single Answer MCQ
Q-00071744
Q138.

How do sociological studies contribute to understanding the effect of media on youth?

Single Answer MCQ
Q-00071745
Q139.

Which statement best captures the relationship between sociology and social anthropology in India?

Single Answer MCQ
Q-00071746
Q140.

Why is it important for sociology to analyze global social processes?

Single Answer MCQ
Q-00071747
Q141.

What aspect of socioeconomic factors may a sociologist explore?

Single Answer MCQ
Q-00071748
Q142.

Which of the following signifies the breadth of sociological study?

Single Answer MCQ
Q-00071749
Q143.

How can studying sociology enhance understanding of community identity?

Single Answer MCQ
Q-00071750
Q144.

What critical role does sociology play in addressing social issues like unemployment?

Single Answer MCQ
Q-00071751
Q145.

Why is the scope of sociology described as wide-ranging?

Single Answer MCQ
Q-00071752
Q146.

Which defining characteristic differentiates research in sociology from research in history?

Single Answer MCQ
Q-00071753

🔔 Smart Study Reminders

Edzy knows what to study next. Stay on track with timely nudges & updates.

Edzy mobile app