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Which is the largest natural port in India?
- Mumbai Port
- Chennai Port
- Visakhapatnam Port
- Kandla Port
Answer: Mumbai Port
Mumbai Port is India's largest natural port, located on the west coast. Its natural harbor, protected by the mainland and Mumbai Island, allows large ships to dock safely. It handles a significant portion of India's maritime trade, though Jawaharlal Nehru Port (Nhava Sheva) now handles more container traffic.
India is the largest producer of milk in the world.
- True
- False
Answer: True
India is the world's largest milk producer, contributing about 24% of global milk production (over 220 million tonnes annually). This achievement is largely due to Operation Flood (1970-1996), the world's largest dairy development program led by Dr. Verghese Kurien.
_______ soil is also known as regur soil and is ideal for cotton cultivation.
- Alluvial
- Black
- Red
- Laterite
Answer: Black
Black soil, also called regur or cotton soil, is formed from volcanic basalt rock. It is rich in calcium, magnesium, and potash, has high moisture retention, and is ideal for cotton cultivation. Found mainly in Maharashtra, Gujarat, Madhya Pradesh, and parts of Tamil Nadu.
The Tropic of Cancer passes through eight Indian states.
- True
- False
Answer: True
The Tropic of Cancer (23.5°N) passes through eight Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram. It divides India into almost two equal halves climatically.
The Bhakra Nangal Dam is built on which river?
- Yamuna
- Beas
- Sutlej
- Ravi
Answer: Sutlej
The Bhakra Nangal Dam, one of India's largest multipurpose river valley projects, is built on the Sutlej River in Himachal Pradesh. It provides irrigation to Punjab, Haryana, and Rajasthan, and generates 1,325 MW of hydroelectric power.
The ozone layer is located in the stratosphere.
- True
- False
Answer: True
The ozone layer is located in the stratosphere, approximately 15-35 km above Earth's surface. It absorbs most of the Sun's harmful ultraviolet (UV-B) radiation, protecting life on Earth. Ozone depletion due to CFCs is addressed by the Montreal Protocol (1987).
Which national park is famous for the one-horned rhinoceros?
- Jim Corbett
- Kaziranga
- Ranthambore
- Sundarbans
Answer: Kaziranga
Kaziranga National Park in Assam is home to the world's largest population of the Indian one-horned rhinoceros (over 2,600). It is a UNESCO World Heritage Site and also shelters tigers, elephants, wild water buffalo, and swamp deer.
The _______ River is traditionally considered the longest river in the world.
- Amazon
- Nile
- Yangtze
- Mississippi
Answer: Nile
The Nile River in Africa is traditionally considered the longest river in the world at approximately 6,650 km. However, some recent studies suggest the Amazon may be longer. The Nile flows through 11 countries before emptying into the Mediterranean Sea.
Which of the following is a Kharif crop?
- Wheat
- Barley
- Rice
- Mustard
Answer: Rice
Rice is a Kharif crop, sown at the beginning of the Southwest Monsoon (June-July) and harvested in September-October. Kharif crops depend on monsoon rainfall, while Rabi crops like wheat are grown in winter with irrigation.
The Western Ghats receive rainfall from the Southwest Monsoon.
- True
- False
Answer: True
The Western Ghats act as a barrier to the Southwest Monsoon winds coming from the Arabian Sea, causing heavy orographic rainfall on the windward side. This is why Kerala, Karnataka, and Goa receive abundant rainfall during June-September.
Which ISRO launch vehicle is primarily used for launching earth observation satellites?
- GSLV Mk III
- PSLV
- ASLV
- SSLV
Answer: PSLV
The Polar Satellite Launch Vehicle (PSLV) is ISRO's workhorse rocket, primarily used for launching earth observation and remote sensing satellites into polar and sun-synchronous orbits. It has successfully launched missions like Chandrayaan-1 and Mangalyaan.
The _______ is the longest river in India.
- Ganga
- Brahmaputra
- Godavari
- Krishna
Answer: Ganga
The Ganga (Ganges) is the longest river in India, flowing approximately 2,525 km from its source in the Gangotri Glacier to the Bay of Bengal. It is considered sacred in Hinduism and supports over 400 million people.
Which of the following is a volatile memory type?
- ROM
- EEPROM
- RAM
- Flash Memory
Answer: RAM
RAM (Random Access Memory) is volatile memory that loses stored data when power is turned off. Used for temporary storage of actively running programs and data. Non-volatile memories (ROM, EEPROM, Flash) retain data without power, used for firmware, storage, and configuration settings.
NEFT transactions are settled in real-time individually like RTGS.
- True
- False
Answer: False
NEFT (National Electronic Funds Transfer) settles transactions in half-hourly batches, not real-time. RTGS (Real-Time Gross Settlement) processes high-value transactions individually in real-time. Both operate 24x7 since 2020. UPI is the only system offering instant peer-to-peer and merchant payments 24x7.
A security policy that grants users only the minimum access necessary to perform their job is called ________ of Least ________.
Answer: Principle, Privilege
Principle of Least Privilege (PoLP) restricts user/system access rights to only what is essential for their role, minimizing damage from accidents or attacks. Implemented via role-based access control (RBAC), regular access reviews, and just-in-time permissions. Core concept in secure system design.
Which ISRO satellite provides direct-to-home (DTH) television services in India?
- CARTOSAT
- INSAT/GSAT
- IRNSS
- EOS
Answer: INSAT/GSAT
INSAT and GSAT series communication satellites provide DTH broadcasting, telecommunication, and weather monitoring services. INSAT-4A, GSAT-15, GSAT-24 carry transponders leased to DTH providers like Dish TV, Tata Play. These geostationary satellites ensure continuous coverage over Indian subcontinent.
Big Data is characterized solely by its large volume.
- True
- False
Answer: False
Big Data is defined by 5 Vs: Volume (scale), Velocity (speed of generation), Variety (structured/unstructured data), Veracity (uncertainty/quality), and Value (actionable insights). Handling Big Data requires distributed computing (Hadoop, Spark), advanced analytics, and scalable storage solutions.
Which technology enables location tracking of mobile devices using satellite signals?
- Wi-Fi Positioning
- Cell Tower Triangulation
- GPS
- Bluetooth Beacons
Answer: GPS
GPS (Global Positioning System) uses signals from 24+ satellites to determine precise geographic location (latitude, longitude, altitude) anywhere on Earth. Integrated into smartphones for navigation, ride-hailing, fitness tracking. Works outdoors; assisted by Wi-Fi/cell towers indoors for faster acquisition.
Which data structure allows insertion and deletion from both ends?
- Stack
- Queue
- Deque
- Array
Answer: Deque
Deque (Double-Ended Queue) allows insertion and deletion at both front and rear ends, combining features of stack (LIFO) and queue (FIFO). Implemented using arrays or linked lists. Used in palindrome checking, sliding window problems, and browser history management. Time complexity: O(1) for end operations.
The Digital India initiative was launched in the year 2015.
- True
- False
Answer: True
Digital India was officially launched on July 1, 2015, with vision to transform India into a digitally empowered society and knowledge economy. Built on three pillars: digital infrastructure as utility, governance & services on demand, and digital empowerment of citizens. Encompasses multiple sub-initiatives.