Mock Test-5 (Paper-1) (Question 1-50)

Total Questions: 50

31. The Great Victorian Desert is located at

Correct Answer: (a) Australia
Solution:

The Great Victoria Desert (GVD) stretches from eastern Western Australia to the western half of South Australia, making it Australia’s largest desert. It is a dynamic sand-ridge desert with many low, frequently tangled sand dunes and lunettes bordering playa lakes (crescent-shaped dunes). There are few creeks and rocky outcroppings. Gibber plains can also be found.

Eucalypt open woodlands, mulga woodlands, acacia shrublands, casuarina and mallee shrublands and woodlands, and chenopod and samphire shrublands are among the vegetation types found in the GVD. The scattered woodlands of majestic marble gums are noteworthy.

32. Match column I with column II and select the correct answer using the code given below the columns:

Column I Column II 
A. Argentina(i) Down
B. Australia (ii) Pampas
C. North America(iii) Veld
D. South Africa(iv) Prairie
Correct Answer: (a) A (ii), B (i), C (iv), D (iii)
Solution:

The Pampas are fertile South American lowlands, covering more than 750,000 km², that include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Rios and Córdoba; most of Uruguay.

The Darling Downs is a farming region on the western slopes of the Great Dividing Range in southern Queensland, Australia.

Prairies are ecosystems considered part of the temperate grasslands, savannas, and Lands typically referred to as "prairie" tend to be in North America.

Veld is the name given to various types of open country in Southern Africa that is used for pasturage and farmland. To most South African farmers today the "veld" refers to the land they work, much of which has long since ceased to be "natural."

33. The vegetation type characterised by :

(i) a large expanse of grassland with scattered trees and shrubs,

(ii) lying between tropical rain forest and tropical steppes and deserts and

(iii) flat-topped trees, is called

Correct Answer: (c) Tropical savanna
Solution:

A Savanna is a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome. Savannas are also known as tropical grasslands. These type of grassland are found in a wide band on either side of the equator on the edges of tropical rainforests.

34. Consider the following statements:

1. International Date Line lies on the Greenwich Meridian.

2. The date of Alaska is ahead of the date of Siberia.

Which of the statements given above is/are correct?

Correct Answer: (d) Neither 1 nor 2
Solution:

The International Date Line, established in 1884, passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth.

It is located halfway round the world from the prime meridian-the zero degrees longitude established in Greenwich, England, in 1852. Alaska is in west and Siberia is in East, so date of Siberia is ahead of date of Alaska.

35. Which of the following land forms is not formed by wind action?

Correct Answer: (c) Sand bars
Solution:

Sandbars is not formed by wind action. A long mass or low ridge of submerged or partially exposed sand built up in the water along a shore or beach by the action of waves or currents.

  • Astone lattice (or wind lattice) is a rock surface that has been eroded into a complex network of tiny, intersecting holes and honeycomb-like patterns
  • Mushroom rock, often referred to as Gara or Gour (plural: gour) in desert studies, is a rock formation shaped like a mushroom, with a wide cap and a narrow pedestal base.It forms when wind abrasion removes softer, lower rock layers faster than hard upper layers.Because sand-laden winds are more intense within 2—3 feet of the ground, they erode the bottom of a rock more quickly than the top.
  • Inselberg (German for "island mountain") is an isolated, steep-sided knob, hill, or small mountain that rises abruptly from a surrounding, almost level plain. Inselbergs are often formed when a hard rock mass resists erosion better than the surrounding so

36. Karst landforms are made by

Correct Answer: (c) water in limestone regions
Solution:

Karst landscapes are formed from the dissolution of soluble rocks such as limestone, dolomite. It is characterized by underground drainage systems with sinkholes, caves etc.

37. Consider the following statements and select the correct answer from codes given below:

Assertion (A): Tropical areas get more insolation than the temperate area.

Reason (R): Tropical areas have larger length of day than the temperate areas.

Correct Answer: (c) A is true, but R is false.
Solution:

The solar radiation is intense and to a great extent diffuse due to haze. It therefore demands generous shading devices. The haze may cause sky glare which can also be reduced by large shading devices.

38. During the Indian monsoon season

Correct Answer: (c) both Westerly and Easterly jet streams exist in the Indian region
Solution:
  • The Indian monsoon is driven by complex interactions between atmospheric pressure systems, jet streams, and ocean currents. Major factors include:
  • Inter-Tropical Convergence Zone (ITCZ): A low-pressure belt encircling the Earth near the equator, where trade winds converge. Seasonal northward and southward shifts of the ITCZ are important in initiating monsoon winds.
  • Tibetan Plateau: Functions as both a heat source and a mechanical barrier, affecting the formation of high-altitude jet streams and the Tropical Easterly Jet.
  • Jet Streams: Narrow bands of strong winds in the upper atmosphere influence the monsoon’s onset and duration. The subtropical westerly jet shifts south during summer, facilitating the southwest monsoon.
  • SomalilJet : A low-level jet stream over the Indian Ocean that reverses direction with seasonal changes, strengthening the southwest monsoon.
  • ElNino and La Nifila Phenomena: The warming or cooling of the Pacific Ocean can significantly influence monsoon rainfall in India, causing floods or droughts.
  • Indian Ocean Dipole (I0OD): The variation in sea surface temperatures in the western and eastern Indian Ocean can amplify or weaken monsoon rains

39. Which among the following rock systems in India is also known as storehouse of minerals?

Correct Answer: (c) Dharwar system
Solution:

Dharwar Rock System are the first metamorphic Sedimentary rocks in India. The Dharwar Rocks are rich in iron ore, manganese, lead, zinc, gold, silver etc.

40. Which one of the following ports is located on estuary?

Correct Answer: (b) Marmagao
Solution:

Marmagao, a port in Goa, is located on the estuary formed by Zuari and Mandovi Rivers. Kandala Port is a seaport located on the Gulf of Kutch in Gujarat. Kolkata-Haldia is a riverine port system in the city of Kolkata and Haldia. Tuticorin Port is a seaport located in Tuticorin, Tamil Nadu.