Consider the following statements :
1. The movement of the isotherms is greater over the land than it is over the oceans
2. Coastal regions have a smaller range of temperature than do continental interiors.
Which of these statements is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Answer: (c) Both 1 and 2
Explanation:
The mediterranean region specialises in fruit culture because :
(a) hill slopes are best suited for cultivation of trees
(b)hill slopes are not favourable for food grain cultivation
(c) the long dry summer favour drying and packing of fruits for export.
(d) there is a demand of dry fruits
Answer: (c) The long dry summer favors drying and packing of fruits for export.
Explanation:
The Mediterranean region's hot, dry summers and mild, wet winters provide ideal conditions for growing and processing fruits like grapes, olives, and figs. The dry climate helps in natural drying, making it easier to pack and export.
Which one of the following regions of the world is called ‘’ the bread basket of the world ?
(a) Temperate grassland
(b) Tropical monsoonal region
(c) Mediterranean region
(d) Savana grassland
Answer: (a) Temperate grassland
Explanation:
Temperate grasslands, such as the Prairies in North America and the Steppes in Russia, are known as the "breadbasket of the world" due to their extensive wheat and grain production, supported by fertile soils and favorable climates.
The thermal equator is found :
(a) at the equator
(b) south of geographical equator
(c) north of geographical equator
(d) at the Tropic of Cancer
Answer: (c) North of the geographical equator
Explanation:
The thermal equator represents the zone of highest mean temperatures and generally lies north of the geographical equator due to the greater landmass in the Northern Hemisphere, which heats up more quickly than oceans.
Seasonal contrast in temperature are minimum in the equatorial region because :
(a) sky is always overcast
(b) sun is almost vertically overhead throughout the year
(c) forests prevent sunlight from reaching the ground
(d) rainfall cool the atmosphere
Answer: (b) The sun is almost vertically overhead throughout the year.
Explanation:
In the equatorial region, the sun's position remains near the zenith throughout the year, minimizing temperature variation. This results in consistently warm temperatures.
Grasses are almost absent in :
(a) tropical moist deciduous forest
(b)tropical dry evergreen forest
(c) tropical semi-evergreen forest
(d) tropical wet-evergreen forest
Answer: (d) Tropical wet-evergreen forest
Explanation:
Tropical wet-evergreen forests have a dense canopy of trees that blocks sunlight, preventing the growth of grasses on the forest floor. These forests are characterized by high humidity and rainfall.
The role of spines in the desert plants is :
(a) to protect themselves from the herbivores.
(b) to provide more surface for photosynthesis
(c) to save the moisture from evaporation.
(d) none of the above
Answer: (c) To save moisture from evaporation.
Explanation:
Spines in desert plants reduce surface area, minimizing water loss through transpiration. Additionally, spines can also protect plants from herbivores, though their primary function is moisture conservation.
Which one of the following characteristics is NOT found in the Mediterranean climate ?
(a) Temperatures range from C in summer to C or below in the winter
(b) Off-shore trade winds blow in the summer
(c) On-shore westerly winds blow in the winter bringing cyclonic rain
(d) The annual rainfall ranges from 1500 mm to 2000 mm
Answer: (b) Off-shore trade winds blow in the summer.
Explanation:
In the Mediterranean climate, summers are dominated by dry and stable high-pressure systems, not off-shore trade winds. On-shore westerly winds occur during winter, bringing rainfall.
Which one of the following is the correct sequence of the climatic regions while going from Zaire to Netherlands ?
1. Equatorial climate
2. Mediterranean climate
3. Hot desert climate
4. West European climate
(a) 1, 3, 2, 4
(b) 1, 4, 2, 3
(c) 2, 3, 4, 1
(d) 3, 2, 1, 4
Answer: (a) 1, 3, 2, 4
Explanation:
Which one of the following ecosystems covers the largest area of the earth's surface ?
(a) Desert Ecosystem
(b) Grassland Ecosystem
(c) Mountain Ecosystem
(d) Marine Ecosystem
Answer: (d) Marine Ecosystem
Explanation:
Marine ecosystems, including oceans, seas, and coral reefs, cover approximately 70% of the Earth's surface, making them the largest ecosystem. They play a crucial role in regulating the Earth's climate and supporting biodiversity.
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