பல்வேறு போட்டித் தேர்வுகளில் புவியியல் முக்கியப் பங்காற்றுகிறது, விண்ணப்பதாரர்களுக்கு அவர்களின் தயாரிப்பில் உதவ, நாங்கள் 30 கேள்விகளை (MCQs) தொகுத்துள்ளோம். உங்கள் புவியியல் அறிவை மேம்படுத்துவதற்கும், வரவிருக்கும் தேர்வுகளுக்கு உங்களை சிறப்பாக தயார்படுத்துவதற்கும் ஒவ்வொரு கேள்விக்கும் சரியான பதில் உள்ளது.
Q1 .What is the composition of the Earth’s core?
(a) Nickel (Ni) and Iron (Fe)
(b) Silicon (Si) and Aluminum (Al)
(c) Carbon (C) and Hydrogen (H)
(d) Aluminum (Al) and Copper (Cu)
Q2 .Why are igneous rocks often referred to as “Primary” or “Mother” rocks?
(a) They are the oldest rocks on Earth.
(b) They are the most abundant rocks on Earth.
(c) All other rocks are formed directly from them.
(d) They are found in the Earth’s core.
Q3 .What is the term used to describe the point of origin of an earthquake?
(a) Epicenter
(b) Tectonic plate
(c) Seismic zone
(d) Focus
Q4 .What is the instrument used to record earthquake waves called?
(a) Thermometer
(b) Barometer
(c) Seismograph
(d) Microscope
Q5 .Which agent of gradation is responsible for creating distinct landforms known as Karst Topography in limestone regions?
(a) Wind erosion
(b) Glacier movement
(c) Underground water
(d) Volcanic activity
Q6 .Which of the following landforms are commonly associated with the erosional activity of glaciers?
(a) Canyons, mesas, and plateaus
(b) Deltas, estuaries, and sand dunes
(c) Cirques, aretes, and U-shaped valleys
(d) Caves, sinkholes, and stalactites
Q7 .Assertion: Spits are ridge or embankment of sediment, attached to the land on one end and terminating in open water on the other end.
Reason: Spits are commonly found at the mouth of estuaries.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) The assertion is true, but the reason is false.
(d) The assertion is false, but the reason is true.
Q8.Assertion: The temperature decreases with increasing height.
Reason: Almost all weather phenomena take place in this layer, hence it is called the weather-making layer.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) The assertion is true, but the reason is false.
(d) The assertion is false, but the reason is true.
Q9 .What causes the phenomenon known as auroras, which are unique multicolored lights seen in the polar sky during midnight?
(a) Earth’s rotation
(b) Refraction of sunlight
(c) Cosmic rays
(d) Stream of electrons discharged from the Sun’s surface due to magnetic storms
Q10.Which of the following statements is true regarding the windward and leeward sides of a mountain?
(a) The windward side receives heavy rainfall, while the leeward side receives very less rainfall.
(b) The windward side receives very less rainfall, while the leeward side receives heavy rainfall.
(c) Both the windward and leeward sides receive heavy rainfall.
(d) Both the windward and leeward sides receive very less rainfall.
Q11.
Statement 1: An “anemometer” records wind speed.
Statement 2: A “wind vane” measures the direction of the wind.
(a) Only statement 1 is true.
(b) Only statement 2 is true.
(c) Both statement 1 and statement 2 are true.
(d) Neither statement 1 nor statement 2 is true.
Q12.Assertion: Trade winds blow from the subtropical high pressure belt to the Equatorial low pressure belt in both hemispheres.
Reason: These winds were very helpful to traders who depended on the winds while sailing in the seas. And so, they are named as Trade winds.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) The assertion is true, but the reason is false.
(d) The assertion is false, but the reason is true.
Q13.Which atmospheric sphere contains all clouds?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Thermosphere
Q14.Statement 1: When the relative humidity of the air is 100%, the air is said to be saturated and will not absorb any more water vapor.
Statement 2: The temperature at which air becomes saturated is called the dew point.
(a) Only statement 1 is true.
(b) Only statement 2 is true.
(c) Both statement 1 and statement 2 are true.
(d) Neither statement 1 nor statement 2 is true.
Q15.Which place holds the title of being the wettest place in India?
(a) Cherrapunji
(b) Mawsynram
(c) Agumbe
(d) Coonoor
Q16.
Assertion: Water is one of the most indispensable natural resources on Earth.
Reason: The Earth is also called the Blue planet.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) The assertion is true, but the reason is false.
(d) The assertion is false, but the reason is true.
Q17.What is the term used to describe a steep slope that descends from the edge of the continental shelf to the deep ocean-bed?
(a) Abyssal plain
(b) Continental rise
(c) Continental slope
(d) Trench
Q18.
Statement 1: Fathoms is a nautical measurement of the depth of water in the ocean.
Statement 2: Isobath is an imaginary line on a map joining the points of equal depths.
Statement 3: Isohaline is an imaginary line on a map joining the points of equal salinity in oceans.
(a) Only statement 1 is true.
(b) Only statement 2 is true.
(c) Only statement 3 is true.
(d) All statements 1, 2, and 3 are true.
Q19.Which of the following factors contribute to the generation of ocean currents?
(a) Earth’s rotation, solar radiation, and underwater volcanoes
(b) Prevailing winds, ocean tides, and underwater mountains
(c) Earth’s rotation, prevailing winds, and differences in temperature and salinity of ocean water
(d) Solar radiation, underwater earthquakes, and differences in temperature and salinity of ocean water
Q20.When was the National Institute of Oceanography (NIO) established and where is its headquarters located?
(a) Established on 1st January 1966, headquarters in Mumbai, Maharashtra.
(b) Established on 1st January 1966, headquarters in Chennai, Tamil Nadu.
(c) Established on 1st January 1966, headquarters in Kochi, Kerala.
(d) Established on 1st January 1966, headquarters in Dona Paula, Goa.
Q21.Which current is associated with the South Atlantic Ocean?
(a) Gulf Stream [Warm current]
(b) Labrador Current [Cold current]
(c) Agulhas Current [Warm current]
(d) Humboldt Current [Cold current]
Q22.Where is the Great Barrier Reef located?
(a) Caribbean Sea, off the coast of Mexico
(b) Mediterranean Sea, off the coast of Italy
(c) Coral Sea, off the coast of Queensland, Australia
(d) Red Sea, off the coast of Egypt
Q23.Which animal was declared the National Aquatic Animal of India in 2010?
(a) Gangetic Dolphin
(b) Bengal Tiger
(c) Indian Peacock
(d) Indian Elephant
Q24.Why are producers in an ecosystem called autotrophs?
(a) They are capable of photosynthesis.
(b) They obtain nourishment from other organisms
(c) They depend on external sources for their energy.
(d) They cannot synthesize their own food.
Q25.Which of the following regions are considered hotspots in India?
(a) Eastern Ghats, Thar Desert, Deccan Plateau, and Andaman Islands
(b) Himalayas, Western Ghats, Indo Burma Region, and Sundaland.
(c) Gangetic Plains, Aravalli Range, Central Highlands, and Nicobar Islands.
(d) Vindhya Range, Malabar Coast, Eastern Coastal Plain, and Lakshadweep Islands.
Q26.Which of the following statements about oases is true?
(a) Oases are found in polar regions and are fed by melting icebergs.
(b) Oases are located in rainforests and are fed by heavy rainfall.
(c) Oases are fertile freshwater sources found in deserts and semi-arid regions, fed by springs.
(d) Oases are underground reservoirs of saltwater found near coastal areas.
Q27.Which of the following pairs of grassland regions and their respective locations is correct?
(a) Prairies – Eurasia
(b) Steppes – South America
(c) Pampas – North America
(d) Veld – South Africa
Q28.How many Biosphere Reserves are there in India?
(a) 12
(b) 15
(c) 18
(d) 20
Q29.
Statement 1: The Stockholm Conference, 1972, was held in Rio de Janeiro in 1992.
Statement 2: The United Nations Conference on Environment and Development (UNCED) was held in Rio de Janeiro in 1992.
(a) Only Statement 1 is correct
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Q30.What does population change refer to?
(a) An increase or decrease in the population of an area influenced by births and deaths only.
(b) An increase or decrease in the population of an area influenced by migration only.
(c) An increase or decrease in the population of an area influenced by births, deaths, and migration.
(d) An increase or decrease in the population of an area influenced by natural disasters.
Solutions:
S1. Ans. (a)
Sol.
The core is the innermost and hottest layer of the Earth which lies below the mantle. It is composed mainly of Nickel (Ni) and Iron (Fe).Hence it is called NIFE.
S2. Ans. (c)
Sol.
Igneous rocks are also called Primary or Mother rocks because all other rocks are directly or indirectly formed from them.
S3. Ans. (d)
Sol.
The point of origin of an Earthquake is called ‘Focus’ (Hypocenter) which generates a series of elastic waves.
S4. Ans. (c)
Sol.
The instrument which records the Earthquake waves is called ‘seismograph’ or ‘seismometer’. The science that deals with Earthquakes is called ‘seismology’.
S5. Ans. (c)
Sol.
As an agent of gradation, underground water creates distinct landforms in limestone regions called Karst Topography.
S6. Ans. (c)
Sol.
Glaciers are powerful erosive agents. Some of the important erosional landforms are Cirque, Aretes, Matterhorn, U-shaped valley, Hanging valley, Fiords etc.,
S7. Ans. (a)
Sol.
Ridge or embankment of sediment, attached to the land on one end and terminating in open water on the other end. Spits are common at the mouth of estuaries.
S8. Ans. (a)
Sol.
The temperature decreases with increasing height. Almost all weather phenomena take place in this layer. Hence it is called weather making
S9. Ans. (d)
Sol.
Auroras are cosmic glowing lights produced by a stream of electrons discharged from the Sun’s surface due to magnetic storms that are seen as unique multi coloured fireworks hanging in the polar sky during midnight.
S10. Ans. (a)
Sol.
The windward is the side of a mountain which faces the prevailing wind. It receives heavy rainfall. The leeward side of the mountain is the side sheltered from the wind. It receives very less rainfall.
S11. Ans. (c)
Sol.
An “anemometer” records wind speed while a “wind vane” measures the direction of the wind.
S12. Ans. (a)
Sol.
Trade winds blow from the subtropical high pressure belt to the Equatorial low pressure belt in both the hemispheres. These winds were very helpful to traders who depended on the winds while sailing in the seas. And so, they are named as Trade winds
S13. Ans. (a)
Sol.
The only sphere which contains all clouds in the atmosphere is troposphere
S14. Ans. (c)
Sol.
Relative humidity of the air is 100%, the air is said to be saturated. Saturated air will not absorb any more water vapor. The temperature at which air gets saturated is called dew point.
S15. Ans. (b)
Sol.
Mawsynram is the wettest place of India as it is located in the windward side of the Purvanchal hills, whereas Shillong lies on the leeward side and thus receives less rainfall.
S16. Ans. (a)
Sol.
One of the most indispensable natural resources on earth is water. The Earth is also called the Blue planet.
S17. Ans. (c)
Sol.
A steep slope which descends from the edge of the continental shelf to the deep ocean-bed is called continental slope
S18. Ans. (d)
Sol.
Fathoms : A nautical measurement of the depth of water in the ocean. Isobath : An imaginary line on a map joining the points of equal depths. Isohaline : An imaginary line on a map joining the points of equal salinity in oceans.
S19. Ans. (c)
Sol.
The factors that generate ocean currents are: • Earth’s rotation • Prevailing winds and • Differences in temperature and salinity of ocean water.
S20. Ans. (d)
Sol.
NIO (National Institute of Oceanography) was established in 1st January 1966. The headquarters of NIO is located at Dona Paula, Goa.
S21. Ans. (d)
Sol.
South Atlantic Ocean Benguela Current [Cold current]
S22. Ans. (c)
Sol.
The great barrier reef is located in the coral sea of Australia. It is the world’s largest coral reef.
S23. Ans. (a)
Sol.
The Gangetic Dolphin was declared the National Aquatic Animal in 2010
S24. Ans. (a)
Sol.
Producers are self nourishing components. They are called autotrophs.
S25. Ans. (b)
Sol.
Hotspots in India are the Himalayas, Western Ghats, Indo Burma Region, and Sundalan.
S26. Ans. (c)
Sol.
An Oases are fertile freshwater sources found in deserts and semi-arid regions, fed by springs.
S27. Ans. (d)
Sol.
Prairies — North America
Steppes – Eastern Europe
Pampas – Argentina and Uruguay
Veld – South Africa
S28. Ans. (c)
Sol.
A Biosphere Reserve includes terrestrial, marine and coastal ecosystems. There are 18 Biosphere Reserve in India.
S29. Ans. (b)
Sol.
The Stockholm Conference, 1972 .
The United Nations Conference on Environment and Development (UNCED) was held in Rio de Janeiro in 1992.
S30. Ans. (c)
Sol.
Population change refers to an increase or decrease in the population of an area influenced by the number of births, deaths and migration.
**************************************************************************
இது போன்ற தேர்விற்கான தகவல் மற்றும் பாடக்குறிப்புகளை பெற ADDA247 தமிழ் செயலியை பதிவிறக்கம் செய்யுங்கள்| Adda247 TamilNadu Home page | Click here |
| Official Website=Adda247 | Click here |
