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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 _______ Ocean is the largest and deepest ocean on Earth.
- Atlantic
- Indian
- Arctic
- Pacific
Answer: Pacific
The Pacific Ocean is the largest and deepest ocean, covering about 30% of Earth's surface (165 million sq km). It extends from the Arctic in the north to the Southern Ocean in the south, and from Asia/Australia to the Americas. The Mariana Trench is its deepest point.
Which Indian state is the largest producer of iron ore?
- Jharkhand
- Odisha
- Chhattisgarh
- Karnataka
Answer: Odisha
Odisha is the largest producer of iron ore in India, contributing over 50% of the country's total production. Major mining areas include Keonjhar, Sundergarh, and Mayurbhanj districts. India is among the top iron ore producers globally, exporting to China and Japan.
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.
Gujarat has the longest coastline among all Indian states.
- True
- False
Answer: True
Gujarat has the longest coastline in India, stretching approximately 1,600 km along the Arabian Sea. It accounts for about 24% of India's total coastline and has 41 ports including Kandla, Mundra, and Pipavav.
Which type of rock is formed by the cooling and solidification of magma?
- Sedimentary
- Metamorphic
- Igneous
- Fossiliferous
Answer: Igneous
Igneous rocks are formed by the cooling and solidification of magma or lava. Examples include granite (intrusive, cooled slowly underground) and basalt (extrusive, cooled quickly on surface). Sedimentary rocks form from deposition, while metamorphic rocks form under heat and pressure.
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 capital of Australia is _______.
- Sydney
- Melbourne
- Canberra
- Perth
Answer: Canberra
Canberra is the capital city of Australia, located in the Australian Capital Territory. It was selected as a compromise between Sydney and Melbourne in 1908. The city was designed by American architect Walter Burley Griffin.
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 is the largest desert in the world?
- Sahara Desert
- Arabian Desert
- Gobi Desert
- Antarctic Desert
Answer: Antarctic Desert
The Antarctic Desert is the largest desert in the world, covering about 14 million square kilometers. Deserts are defined by low precipitation (less than 250mm annually), not just sand, making Antarctica the largest cold desert.
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.
Jupiter is the largest planet in our solar system.
- True
- False
Answer: True
Jupiter is indeed the largest planet in our solar system, with a diameter of about 142,984 km. It is a gas giant with a mass more than twice that of all other planets combined. Its Great Red Spot is a storm larger than Earth.
Which river is known as the 'Sorrow of Bengal'?
- Ganga
- Damodar
- Hooghly
- Subarnarekha
Answer: Damodar
The Damodar River is called the 'Sorrow of Bengal' because of its frequent flooding in the past, which caused widespread destruction in West Bengal. The Damodar Valley Corporation was established in 1948 to control these floods through dams and reservoirs.