A phytogeographical assessment of global biomes. It divides grasslands into Tropical (Savanna types) and Temperate zones, evaluating their precise climatic parameters, specialized soil categories (Chernozems), and conversion into global grain belts.
Match List - I with List - II and using the given codes select the correct answer:
List - I List - II
(Grassland) (Country / Continent)
A. Steppes 1. United States of America
B. Prairies 2. South Africa
C. Welds 3. Russia
D. Downs 4. Australia
Codes:
A B C D
Correct Answer:
(C) 3 1 2 4
The correct match is as follows:
Grassland Country / Continent
Steppes Russia
Prairies United States of America
Welds South Africa
Downs Australia
Ques: 2
Match List-I with List-II and select the correct answer from the codes given below:
List -I List-II
(Grassland) (Continent)
Llanos 1. North America
Steppe 2. Africa
Prairies 3. Europe
Veld 4. South America
Code:
A B C D
Correct Answer:
(A) 4 3 1 2
The correctly matched grasslands with their continents are as follows:
Llanos - South America
Steppe - Europe
Prairies - North America
Veld - Africa
Ques: 3
Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I List-II
(Grasslands) (Countries)
Pampas 1. Australia
Pustaz 2. South Africa
Veld 3. Argentina
Downs 4. Hungary
Code:
A B C D
Correct Answer:
(A) 3 4 2 1
(Grasslands) (Countries)
Pampas - Argentina
Pustaz - Hungary
Veld - South Africa
Downs - Australia
Ques: 4
Which of the following pair is correct?
Countries Grass fields
Correct Answer:
(B) Argentina - Pampas
The correct match of grass fields with respective countries is as follows: Campos - Brazilian Highland, Pampas - Argentina, Uruguay and Brazil, Savanna - Eastern Africa (Kenya. Tanzania etc), Steppes - Western Russia and Central Asia Therefore, option (b) is correctly matched.
Ques: 5
The Savannas are most widespread in –
Correct Answer:
(A) Africa
Savanna is a rolling Grassland scattered with shrubs and isolated trees which can be found between a tropical rainforest and desert biome. The savannas are mainly spread over East Africa. Savannas are also found in Brazil, Colombia and Venezuela and southern parts of India. Therefore, the correct answer is option (a).
Ques: 6
Which one of the following natural regions is known as 'Land of Big Games'?
Correct Answer:
(D)
Tropical Savanna Region
Land of Big Games is known as the Tropical Savanna region, as thousands of animals are trapped or killed each year by people from all over the world. There are two main groups of animals in the savanna, the grass-eating herbivorous animals and the flesh-eating carnivorous animals. The herbivorous include the zebra, antelope, Giraffe, deer, gazelle, elephant etc. and carnivorous animals include the lion, tiger, jackal, jaguar, leopard, hyena etc. species of reptiles and mammals includes giant Lizards, crocodiles, alligators that live together with larger rhinoceros and hippopotamus in rivers and marshy lakes.
Ques: 7
The wide treeless grassy plain in South America are called
Correct Answer:
(B) Pampas
Pampas the grasslands of South America. These plains are very fertile. These grass fields spread from the Atlantic Ocean to Andes Mountains up to Argentina and Uruguay.
Ques: 8
What is the name of mid-latitude grassland in South America?
Correct Answer:
(B) Pampas
Mid-latitudes or temperate belt grasslands of South America is known as Pampas. It is spread over Argentina, Uruguay and southern parts of Brazil. Other mid-latitude grasslands are Prairie (North America), downs (Australia), etc.
Ques: 9
Given below are two statements, one is labelled as Assertion (A) and other as Reason (R).
Assertion (A): The Pampas plain is the main region for cultivation in Argentina.
Reason (R): The fertile soil of Pampas and the temperate climate are very useful for growing crops and grasses.
Choose the correct answer from the code given below.
Code:
(A) and (R) are true and (R) is the correct explanation of
(A)
Correct Answer:
(A) and (R) are true but (R) is not the correct explanation of
The Pampas of South America are a grassland biome. They are flat, fertile plains, found primarily in Argentina and extends into Uruguay. Because of the temperate climate and rich, deep soil, most of the Pampas have been brought under cultivation and turned into croplands.
Ques: 10
Which of the following is correctly matched
Correct Answer:
(B) Llanos - Venezuela
Llanos Grasslands are found in Venezuela while Campos, Pampas and Selvas grass field are found in South East Brazil, Argentina and Amazon Basin respectively.
Ques: 11
Which one of the following is not correctly matched?
Correct Answer:
(A) Downs - Tropical grassland
Tropical grass fields are found amid equatorial evergreen forests and hot desert areas. Examples of such grass fields are as – Llanos, Campos, Selvas, Parkland and Savanna. Temperate grass fields are stretched across the region of temperate climate. Example of these grasslands are Prairies, Pampas, Steppes, Veld and Downs. Thus, option (a) is not correctly matched while other options are correctly matched.
Ques: 12
Which of the following temperate grasslands are found in Eurasia?
Correct Answer:
(C) Steppes
The temperate grassland found in Eurasia region is Steppes. The Steppes is a belt of grassland that extends some 5,000 miles (8,000 km) from Hungary in the west through Ukraine and Central Asia to Manchuria in the east. Steppes are practically treeless and grasses are much shorter.
Ques: 13
The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions?
Burrowing animals and termites
Fire
Grazing herbivores
Seasonal rainfall
Soil properties
Select the correct answer using the code given below:
Correct Answer:
(C) 2, 3 and 4
The main obstacle in the development of forest in the savanna grassland is the abundance of grass-grazing animals, fire in this area and seasonal rainfall. Due to seasonal rains, everything dries up in the summer in this region, due to which the development of forest is not possible in this area.