Environmental Studies MCQ : Set-11

MCQ Questions On Environmental Studies .

Answer are given in Bold highlight . 

1 The capacity to do work is termed as

  1. Power
  2. Force
  3. Strength
  4. Energy .

2 The unit of total water content of the soil is known as

  1. Holard
  2. Chraserd
  3. Echard
  4. All of the above

3 Pedology ?

  1. Study of water
  2. Study of air
  3. Study of soil
  4. none of the above .

4 What is deforestation ?

  1. Product of forest
  2. Destruction of forest
  3. Forest Protection
  4. none of the above

5 Deforestation generally decreases

  1. Global Warming
  2. Drought
  3. Soil erosion
  4. Rainfall .

6 Which among the following result in the formation of soil?

  1. Radiation
  2. Weathering
  3. Erosion
  4. Pollution

7 Mulching helps in 

  1. soil fertility
  2. moisture conservation
  3. improvements soil structure
  4. soil sterility

8 …………………… is an example of ‘bottom feeders’.

  1. Cat fish
  2. Frog
  3. Snake
  4. Tadpole

9 ………………… trees shed their leaves during winter and hot summer.

  1. Ever green
  2. coniferous
  3. deciduous
  4. Shola .

10 …………………. is a cold desert in India .

  1. Thar
  2. Ladakh
  3. Ran of Kutch
  4. Bhopal .

11 A lake ecosystem functions as a

  1. Terai
  2. Shola grasslands
  3. Semi arid plains
  4. Himalayan pastures .

12 An example of nitrogen fixing bacteria in the soil

  1. Rhizobium
  2. Nostoc
  3. Azotobacter
  4. Nitrobacter .

13. An example of one way ecological cycle is

  1. carbon dioxide cycle 
  2. water cycle
  3. energy cycle
  4. oxygen cycle

14 Brackish water ecosystems in river deltas are among

  1. Least productive ecosystems
  2. Most productive in terms of biomass production
  3. Unproductive
  4. Stagnant ecosystems .

15 Ecology is 

  1. The science that studies the evolution of life
  2. Integrates both social and natural sciences to help us understand how the earth works
  3. The study of the relationships between organisms and their environment
  4. The study of the environment in the absence of humans .

16 Forests grow in high rain fall areas are 

  1. Ever green forests
  2. temperate forests
  3. conifers
  4. Tundra .

17 Fungi is a

  1. Macroconsumer
  2. Producer
  3. Carnivore
  4. Microconsumer .

18 Nitrogen fixing blue green alga 

  1. Clostridium
  2. Rhizobium
  3. Nostoc
  4. Nitrosomonas .

19 Nitrogen gas returns to the atmosphere by the action of

  1. Nitrogen fixing bacteria
  2. Denitrifying bacteria
  3. Nitrifying bacteria
  4. Nitrate fertilizers .

20 Patches of tall grasslands interspersed with Sal forest ecosystem is

  1. Terrai
  2. Himalayan Pasture
  3. Deccan Plateau
  4. Plains of Western India

21 Ramsar Convention refers to the conservation of ____________

  1. Deserts
  2. Wetlands
  3. Agriculture lands
  4. Forest land .

22 Some species whose removal can affect the survival of an ecosystem are called

  1. Herbivores
  2. Keystone species
  3. Producers
  4. Carnivores .

23 Sunderbans is home to

  1. Giant permanent pond
  2. Temporary aquatic system
  3. Simplest aquatic ecosystem
  4. Water tank .

24 The conversion of ammonia to nitrate is known as ________

  1. ammonification
  2. nitrification
  3. denitrification
  4. All of these .

25 The forests which occur in law rain fall area is

  1. Evergreen forests
  2. Deciduous forests
  3. Coniferous forest
  4. All the above.

26 The inherent ability of organisms to reproduce and multiply is called

  1. C value
  2. biotic potential
  3. carrying capacity
  4. K value .

27 The largest brackish water lake situated in Asia is in Orissa. Which is the lake?

  1. Chilka lake
  2. Vembanad lake
  3. Woolar lake
  4. Dal lake .

28 The Little Rann of Kutch is home to

  1. Horse
  2. Great Indian Bustard
  3. Lion
  4. Wild Ass

29 The presence of which is necessary for photosynthesis

  1. Chloroform
  2. Chlorophyll
  3. Phosphorus
  4. Polymer.

30 The process through which ecosystems tend to change after a period of time is called

  1. Ecological Succession
  2. Biological Succession
  3. Geographical Succession
  4. None of the above .

31 The species that flower are called

  1. gymnosperms
  2. bryophytes
  3. angiosperms
  4. algae

32 The term ‘Eco’ implies 

  1. Environment
  2. Ecotone
  3. Ecotourism
  4. Soil

33 The word Biophilia was coined by 

  1. Dr. Hackel
  2. Dr.Johanssen
  3. Dr. Benjamine
  4. E. O. Wilson .

34 What is Dendrology ?

  1. Study of Plants
  2. Study of Butterflies
  3. Study of Trees
  4. None of these .

35 What is edge species ?

  1. The species which occur abundantly in the ecotone .
  2. Species on the verge of extinction
  3. Rare species
  4. Endemic species .

36 What is symbiosis ?

  1. Study of distribution of related species
  2. Association between members of same species
  3. Association between members of two species
  4. none .

37 When number of food chains is interlocked this is called

  1. Food link
  2. food chain
  3. food web
  4. pyramid .

38 Which is an example for sedimentary biogeochemical cycle ?

  1. Oxygen cycle
  2. Nitrogen cycle
  3. Water cycle
  4. Phosphorus cycle .

39 Which is the second largest in species richness ?

  1. Desert
  2. Tundra 
  3. Coral reefs
  4. Flowing water .

40 Grassland of USA is referred to as

  1. Prairies
  2. Steppes
  3. Pampas
  4. Veldts

41 The complex network of interconnected food chains is called ___________

  1. Trophic level
  2. Food web
  3. Ecological pyramid
  4. Ecology chain

42 The animal which consumes decaying organic matter is _________

  1. Carnivore
  2. Detritivore
  3. Herbivore
  4. Producers .

43 An ecosystem gradually merges with an adjoining one through a transitional zone is called the ______________

  1. Ecological niche
  2. ecological footprint
  3. ecotone
  4. Shore effect .

44 The Primary Consumers are also called as

  1. Herbivores
  2. Carnivores
  3. Enzymes
  4. None of these .

45 Favorable morphological and physiological response to a change in environment is called

  1. Preadaptation
  2. Ecotyping
  3. Formation of ecophenes
  4. Acclimatization .

46 Plants adapted to open, sunny habitats are

  1. Sciophytes
  2. Heliophytes
  3. Mesophytes
  4. Epiphytes .

47 Temperate forests occur in India in

  1. Indo-gangetic plains
  2. Himalayas
  3. Eastern India
  4. Southern peninsula .

48 In India, tropical evergreen forests occur in

  1. Himachal Pradesh
  2. Madhya Pradesh
  3. Assam
  4. Tamil Nadu .

49 Which one is natures cleaner ?

  1. Consumers
  2. Producers
  3. Decomposers and Scavengers
  4. Symbionts .

50 The relationship between nitrogen fixing bacteria and leguminous plants is an example for

  1. Parasitism
  2. Predation
  3. Mutualism
  4. Symbiosis .

 

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