Test: Natural Vegetation And Wildlife - 4


30 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Test: Natural Vegetation And Wildlife - 4


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QUESTION: 1

From the point of view of natural vegetation and wildlife, India belongs to which of the following categories?

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QUESTION: 2

Which of the following positions does India occupy in the world with regard to plant diversity?

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QUESTION: 3

Which one of the following is not included in the group of non-flowering plants?

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QUESTION: 4

Which of the following types of vegetation does not belong to the category of natural vegetation?

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QUESTION: 5

Which of the following terms is used for the original plant cover of an area which has grown naturally without human aid and has been left undisturbed by humans for a long time?

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QUESTION: 6

Which of the following terms is used for a plant community which has grown naturally without human aid and interference?

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QUESTION: 7

Which of the following terms is used for plants which are at present part of natural vegetation but have originally come to India from abroad?

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QUESTION: 8

Which of the following terms is used for virgin vegetation which is purely Indian in origin?

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QUESTION: 9

Which of the following terms is used to denote plants of a particular region or period?

Solution: Flora term is used to denote plants of a particular region or period whereas Fauna is used to denote wildlife or animals of a particular region or period.
QUESTION: 10

Which of the following terms is used to denote animal species of a particular region or period?

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QUESTION: 11

Which of the following factors influence the type and distribution of natural vegetation?

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QUESTION: 12

Which of the following types of vegetation is common in fertile, level lands?

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Fertile land and level lands provide perfect conditions for cultivation of crops.

QUESTION: 13

Which of the following types of vegetation usually develops on undulating and rough terrains?

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QUESTION: 14

Which of the following types of vegetation grows in the sandy soil of the desert?

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QUESTION: 15

Which of the following types of vegetation grows in wet, marshy soil?

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QUESTION: 16

The character and extent of vegetation are mainly determined by which of the climatic factors?

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QUESTION: 17

Due to which of the following reasons does the vegetation on the slopes of the Himalayas and the hills of the peninsula above the height of 915 metres change from tropical to subtropical, temperate and alpine vegetation?

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QUESTION: 18

Which of the following types of vegetation grows in areas with mean annual average temperature of above 24°C?

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QUESTION: 19

Which of the following types of vegetation zones is found in the higher reaches of the Himalayas with mean annual average temperature below 7°C?

Solution:

Alpine plants are plants that grow in an alpine climate, which occurs at high elevation and above the tree line. Alpine plants are adapted to the harsh conditions of the alpine environment, which include low temperatures, dryness, ultraviolet radiation, and a short growing season.

QUESTION: 20

Trees grow faster in which of the following seasons?

Solution:

Trees grow faster in summer because the rate of evaporation increases with an increase in temperature owing to which metabolic activities becomes faster in trees. Also the rate of transpiration increases. Trees grow faster in summer because they get ample amount of sunlight to quicken metabolic activities.

QUESTION: 21

Dachigam wild life sanctuary is in ..............           

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QUESTION: 22

Name the national bird of India ..........           

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QUESTION: 23

Name the national animal of India -           

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QUESTION: 24

.............. type of vegetation is found in the region having more than 200 cm of rainfall.           

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QUESTION: 25

What was the first form of life that existed on the earth ?           

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QUESTION: 26

Name an important tree of moist decidous forest -           

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QUESTION: 27

Sunderban forest get its name from the -           

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QUESTION: 28

How many species of birds are known ?           

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QUESTION: 29

How many species of plants are there ?           

Solution:

With about 47,000 plant species, India occupies tenth place in the world and Fourth in Asia in  plant diversity.

India is one of the 12 mega diversity countries of the world.
there are 47000 plant species in India and occupies tenth place in world and fourth in Asia in plant diversity 15000 flowering plants in India which account 6 percent in this worlds total flowering plants the country has many non flowering plants such as ferns algae and fungi.

QUESTION: 30

Which natural vegetation is most predominant in India -           

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