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Unlimited MCQ platform for State Main Exams SSC, PSC, CHSL, MTS, etc. in India — Odelya Vooo AI Education

Welcome to Odelya Vooo AI Education — India's unlimited AI-powered MCQ platform built for State PSC, SSC CGL, SSC CHSL, SSC GD Constable, and SSC MTS exam aspirants. Practice fresh, AI-generated State Main Exam MCQs every day across General Knowledge, General Awareness, and Science. Register free or view pricing plans to unlock unlimited daily MCQ practice.

Preparing for SSC CGL General Knowledge or SSC CHSL General Awareness? Vooo AI generates topic-wise MCQs daily covering History, Geography, and Science — perfectly aligned with the latest SSC exam syllabus. Start your free SSC MCQ practice right now without any cost. Register free for 30 daily MCQs or buy a plan from just ₹120/month for unlimited access.

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State PSC aspirants across India can now practice unlimited State PSC Science MCQs covering Physics, Chemistry, Biology, and Environmental Science — all AI-generated and syllabus-aligned. Vooo AI makes daily revision structured, effective, and affordable. Visit the State Main Exams MCQ page, register free, or choose a plan starting at just ₹120/month.

🔬 State PSC Science

Practice AI-generated State PSC Science MCQs on Odelya Vooo AI — covering Physics, Chemistry, Biology, Environmental Science and General Science as per BPSC, MPPSC, RPSC, WBPSC, TNPSC, KPSC, MPSC, UPPSC and all major State PSC syllabuses. Every session generates fresh, AI-powered questions aligned to your exam. Register free for 30 daily MCQs or buy a plan from ₹120/month.

Vooo AI covers all critical State PSC Science topics — mechanics, periodic table, human body systems, ecosystems, space missions and everyday science applications directly asked in preliminary exams for Group A and Group B posts like Deputy Collector, DSP and BDO. Visit the State Main Exams MCQ page, sign up free or view plans today.

1Which is the unit of electric current?

A. Volt

B. Ampere

C. Ohm

D. Watt

Answer: B - Ampere
The ampere (A) is the SI unit of electric current. It measures the rate of flow of electric charge. One ampere equals one coulomb of charge flowing per second.

2DNA stands for:

A. Deoxyribose Nucleic Acid

B. Deoxyribonucleic Acid

C. Diribonucleic Acid

D. Dioxyribose Nucleic Acid

Answer: B - Deoxyribonucleic Acid
DNA (Deoxyribonucleic Acid) is the hereditary material in humans and almost all other organisms. It carries genetic instructions for growth, development and reproduction.

3Which gas is released during photosynthesis?

A. Carbon dioxide

B. Nitrogen

C. Oxygen

D. Hydrogen

Answer: C - Oxygen
During photosynthesis, plants absorb CO₂ and water and convert them into glucose using sunlight. Oxygen is released as a byproduct through the stomata of leaves.

4The speed of sound in air is approximately:

A. 150 m/s

B. 343 m/s

C. 500 m/s

D. 1000 m/s

Answer: B - 343 m/s
The speed of sound in air at 20°C is approximately 343 metres per second. It varies with temperature, humidity and the medium through which it travels.

5Which organ produces insulin in the human body?

A. Liver

B. Kidney

C. Pancreas

D. Spleen

Answer: C - Pancreas
Insulin is produced by beta cells in the islets of Langerhans in the pancreas. It regulates blood glucose levels by allowing cells to absorb glucose from the bloodstream.

6Ozone layer protects Earth from which radiation?

A. Infrared rays

B. Radio waves

C. Ultraviolet rays

D. X-rays

Answer: C - Ultraviolet rays
The ozone layer in the stratosphere absorbs most of the Sun's harmful ultraviolet (UV) radiation, especially UV-B. Its depletion leads to increased skin cancer and ecological damage.

📋 SSC CGL General Awareness

Practice AI-generated SSC CGL General Knowledge MCQs on Odelya Vooo AI — covering Indian History, Geography, General Science, Indian Polity and Indian Economy as per the official SSC CGL Tier 1 and Tier 2 syllabus. Prepare for Group B and Group C posts including Income Tax, CBI, Enforcement Directorate, Auditor and ASO in MEA. Register free for 30 daily MCQs or buy a plan from ₹120/month.

Vooo AI covers all critical SSC CGL GK topics — ancient and modern history, Indian rivers and climate, Constitution and fundamental rights, national income, banking, government schemes and everyday science — all directly asked in SSC CGL Tier 1. Every session generates fresh AI-powered questions keeping your prep exam-ready. Visit the State Main Exams MCQ page, sign up free or view plans today.

1Battle of Plassey was fought in which year?

A. 1764

B. 1757

C. 1775

D. 1748

Answer: B — 1757
The Battle of Plassey was fought on 23 June 1757 between the British East India Company and Siraj ud-Daulah. British victory established their dominance in Bengal.

2Which is the longest river in India?

A. Ganga

B. Godavari

C. Yamuna

D. Indus

Answer: A — Ganga
The Ganga is the longest river in India at approximately 2,525 km. It originates at Gangotri Glacier in Uttarakhand and drains into the Bay of Bengal.

3The human heart has how many chambers?

A. Two

B. Three

C. Four

D. Five

Answer: C — Four
The human heart has four chambers: two upper atria (right and left) and two lower ventricles (right and left). The right side pumps blood to the lungs, left to the body.

4Who wrote the national song Vande Mataram?

A. Rabindranath Tagore

B. Bankim Chandra Chattopadhyay

C. Subramania Bharati

D. Sri Aurobindo

Answer: B — Bankim Chandra Chattopadhyay
Vande Mataram was written by Bankim Chandra Chattopadhyay in 1882 in his novel Anandamath. It became a rallying cry during India's independence movement.

5Speed of light is approximately how many km/s?

A. 1,00,000

B. 2,00,000

C. 3,00,000

D. 5,00,000

Answer: C — 3,00,000 km/s
The speed of light in vacuum is approximately 3 × 10⁸ metres per second (about 3,00,000 km/s). It is denoted by 'c' and is a universal physical constant.

6Panchayati Raj is covered under which Part of Constitution?

A. Part X

B. Part IX

C. Part VIII

D. Part XI

Answer: B — Part IX
Panchayati Raj is covered under Part IX of the Indian Constitution (Articles 243 to 243-O), added by the 73rd Constitutional Amendment Act of 1992.

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📝 SSC MTS General Awareness

Practice AI-generated SSC MTS General Awareness MCQs on Odelya Vooo AI — covering Indian History, Geography, General Science, Indian Polity and Current Affairs as per the official SSC MTS syllabus. Prepare for Group C non-technical posts including Peon, Daftary and Junior Gestetner Operator across Income Tax, Customs, Post Offices and central government establishments. Register free for 30 daily MCQs or buy a plan from ₹120/month.

Vooo AI covers all critical SSC MTS General Awareness topics — ancient and modern history, Indian rivers and climate, Constitution and fundamental rights, government schemes and current affairs including sports, awards, appointments and science updates — all directly asked in SSC MTS exams. Every session generates fresh AI-powered questions keeping your prep exam-ready. Visit the State Main Exams MCQ page, sign up free or view plans today.

1MTS stands for:

A. Multi Tasking Staff

B. Multi Technical Staff

C. Main Technical Staff

D. Multiple Task Staff

Answer: A — Multi Tasking Staff
SSC MTS (Multi Tasking Staff) is conducted by the Staff Selection Commission for recruitment to Group C non-technical posts in various central government departments and ministries. Posts include peon, daftary, junior gestetner operator and Mali.

2The Indian National Flag was adopted on:

A. 15 August 1947

B. 26 January 1950

C. 22 July 1947

D. 26 November 1949

Answer: C — 22 July 1947
The Indian National Flag (Tiranga) was adopted by the Constituent Assembly on 22 July 1947, just before independence. It was designed by Pingali Venkayya. The flag has three horizontal stripes of saffron, white and green, with the Ashoka Chakra in navy blue at the centre.

3Which vitamin deficiency causes scurvy?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

Answer: C — Vitamin C
Scurvy is caused by deficiency of Vitamin C (ascorbic acid). Symptoms include bleeding gums, skin rashes and fatigue. Vitamin C is found in citrus fruits, tomatoes and green vegetables. Sailors historically suffered from scurvy during long voyages without fresh produce.

4The Himalayas were formed due to:

A. Volcanic activity

B. Folding of earth's crust

C. River erosion

D. Earthquake activity

Answer: B — Folding of earth's crust
The Himalayas were formed by the folding of the earth's crust when the Indian tectonic plate collided with the Eurasian plate about 50 million years ago. They are fold mountains — the youngest and highest mountain range in the world, still rising a few millimetres each year.

5The Parliament of India consists of:

A. Lok Sabha only

B. Rajya Sabha only

C. President, Lok Sabha and Rajya Sabha

D. Prime Minister and Cabinet

Answer: C — President, Lok Sabha and Rajya Sabha
The Parliament of India consists of three parts: the President of India, the Lok Sabha (House of the People) and the Rajya Sabha (Council of States). This is specified in Article 79 of the Constitution. Laws require passage by both houses and presidential assent.

6Which is the national flower of India?

A. Rose

B. Sunflower

C. Lotus

D. Marigold

Answer: C — Lotus
The Lotus (Nelumbo nucifera) is the national flower of India. It symbolises purity, enlightenment and beauty in Indian culture and religion. The lotus grows in muddy water yet blooms beautifully, symbolising rising above difficulties. It is sacred in both Hinduism and Buddhism.

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🛡️ SSC GD General Knowledge

1BSF stands for:

A. Border Security Force

B. Border Safety Force

C. Battalion Security Force

D. Border Service Force

Answer: A — Border Security Force
BSF (Border Security Force) is India's primary border guarding organisation, deployed on India's borders with Pakistan and Bangladesh. It was established on 1 December 1965. SSC GD Constable recruitment is done for BSF, CRPF, CISF, ITBP, SSB and other CAPFs.

2The capital of India was shifted from Calcutta to Delhi in:

A. 1905

B. 1911

C. 1919

D. 1947

Answer: B — 1911
The capital of British India was shifted from Calcutta (Kolkata) to Delhi in 1911, announced by King George V at the Delhi Durbar. The new capital New Delhi was officially inaugurated on 13 February 1931 and was designed by British architects Edwin Lutyens and Herbert Baker.

3Which is the highest mountain peak in India?

A. Nanda Devi

B. Kangchenjunga

C. K2

D. Kamet

Answer: B — Kangchenjunga
Kangchenjunga at 8,586 metres is the highest mountain peak entirely within India (on the border of Sikkim and Nepal). K2 (8,611 m) is higher but located on the Pakistan-China border. Kangchenjunga is the third highest mountain in the world.

4The Fundamental Rights are contained in which Part of Constitution?

A. Part II

B. Part III

C. Part IV

D. Part V

Answer: B — Part III
Fundamental Rights are enshrined in Part III of the Indian Constitution (Articles 12 to 35). They are justiciable rights — citizens can move the Supreme Court or High Courts if their Fundamental Rights are violated. The Right to Constitutional Remedies (Article 32) is the heart of Fundamental Rights.

5Which planet has the most moons?

A. Jupiter

B. Saturn

C. Uranus

D. Neptune

Answer: B — Saturn
Saturn has the most confirmed moons in our Solar System with over 140 confirmed moons as of recent discoveries. Jupiter was previously considered to have the most moons. Saturn is also famous for its spectacular ring system made of ice and rock particles.

6Mahatma Gandhi was born in which city?

A. Ahmedabad

B. Rajkot

C. Porbandar

D. Surat

Answer: C — Porbandar
Mahatma Gandhi was born on 2 October 1869 in Porbandar, a coastal city in present-day Gujarat. 2 October is celebrated as Gandhi Jayanti and also as the International Day of Non-Violence by the United Nations.

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Yes. Vooo AI offers 30 free AI-generated MCQs every day for State PSC, SSC CGL, CHSL, GD Constable, and MTS — covering History, Geography, Science, and Current Affairs. Free registration is required to start practicing. For unlimited daily MCQs, affordable plans are available from ₹120/month.

Which State PSC Science topics are covered in Vooo AI MCQs?

Vooo AI covers all major State PSC Science topics including Physics, Chemistry, Biology, and Environmental Science. The AI generates fresh MCQs daily across these topics, ensuring broad and up-to-date coverage aligned with State PSC exam syllabuses across India.

Which SSC CGL General Knowledge topics are covered in Vooo AI MCQs?

Vooo AI covers all major SSC CGL General Knowledge topics including History, Geography, and Science. The AI generates fresh MCQs daily across these topics, ensuring broad and up-to-date coverage aligned with the SSC CGL exam syllabus.

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Vooo AI covers all major SSC GD Constable GK topics including History, Geography, Science, and Current Affairs. The AI generates fresh MCQs daily across these topics, ensuring broad and up-to-date coverage aligned with the SSC GD Constable exam syllabus.

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Vooo AI covers all major SSC MTS General Awareness topics including History, Geography, and Current Affairs. The AI generates fresh MCQs daily across these topics, ensuring broad and up-to-date coverage aligned with the SSC MTS exam syllabus.

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Vooo AI uses artificial intelligence to generate unlimited, topic-wise MCQs for SSC CGL, CHSL, GD Constable, MTS, and State PSC exams — helping aspirants practice consistently every day. With instant feedback and broad subject coverage across History, Geography, Science, Biology, Environmental Science, and Current Affairs, it makes daily revision structured and effective.