Quiz on Environment and Biodiversity – GK GS Quiz for All Competitive Exams
31.Which of the following is true about Ecological diversity?
[A] It refers to the variety of ecosystems present in a geographical region
[B] It refers to the variety of niches present in a region
[C] It refers to the climate diversity present over a wide geographical region
[D] None of the above is true
View Answer
A [It refers to the variety of ecosystems present in a geographical region]
Notes:
Ecological diversity refers to the variety of ecosystems present over a geographical region.
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32.Everything that surrounds or affects an organism during its lifetime is collectively known as which of the following?
[A] Ecology
[B] Ecosystem
[C] Environment
[D] None of the above
View Answer
C [Environment]
Notes:
The sum total of living, non-living components; influences and events, surrounding an organism is defined as Environment. It can be simply defined as everything that surrounds or affects an organism during its lifetime.
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33.Which of the following components are considered as the Biotic components?
1) Water
2) Soil
3) Symbionts
4) Non-green plants
Select the correct answer from the codes given below:
[A] Only 1 & 4
[B] Only 1, 3 & 4
[C] Only 3 & 4
[D] Only 1 & 2
View Answer
C [Only 3 & 4]
Notes:
The relationship and interaction between different organisms and the environment are highly complex. It comprises both biotic and abiotic components. Some of the Biotic components are Green plants, Non-green plants, Decomposers, Parasites, Symbionts, Animals, Man.
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34.Biomes are characterized by which of the following?
1. Climate
2. Vegetation
3. Animal life
4. General soil type
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2, 3 & 4
[C] Only 1, 2 & 4
[D] 1, 2, 3 & 4
View Answer
D [1, 2, 3 & 4]
Notes:
The terrestrial part of the biosphere can be divided into enormous regions called biomes, which are characterized, by climate, vegetation, animal life and general soil type.
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35.Champion and Seth divided the type of forests in India in how many types?
[A] 10
[B] 12
[C] 14
[D] 16
View Answer
D [16]
Notes:
Forest types in India are classified by Champion and Seth into sixteen types and these are Tropical Wet evergreen forests, Tropical Semi-evergreen forests, Tropical Moist deciduous forests, Littoral and swamp, Tropical Dry deciduous forest, Tropical Thorn forests, Tropical Dry evergreen forest, Subtropical Broad-leaved forest, Subtropical Pine forests, etc.
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36.Jackfruit is most commonly found in which of the following forests?
[A] Tropical Dry deciduous forest
[B] Sub tropical Broad-leaved forests
[C] Tropical Semi-evergreen forests
[D] Tropical Wet evergreen forests
View Answer
C [Both 1 & 2]
Notes:
Tropical moist deciduous forests are found throughout India except in the western and the north-western regions. The trees of tropical moist deciduous forests are tall, have broad trunks, branching trunks and roots to hold them firmly to the ground.
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37.Which of the following statements are correct about tropical moist deciduous forests?
1. Moist deciduous forests are found throughout India except in the western and the north-western regions.
2. The trees of tropical moist deciduous forests are tall, have broad trunks, branching trunks and roots to hold them firmly to the ground.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
View Answer
C [Only 1 & 3]
Notes:
Tropical thorn forests are found in areas with black soil such as North, West, Central, and South India. The trees of tropical thorn forests do not grow beyond 10 metres. Spurge, caper, and cactus are typical species of tropical thorn forests.
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38.Which of the following statements are correct regarding tropical thorn forests?
1. Tropical thorn forests are found in areas with black soil such as North, West, Central, and South India.
2. The trees of tropical thorn forests grow beyond 10 metres.
3. Spurge, caper, and cactus are typical species of tropical thorn forests.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
View Answer
C [Only 1 & 3]
Notes: Tropical thorn forests are found in areas with black soil such as North, West, Central, and South India. The trees of tropical thorn forests do not grow beyond 10 metres. Spurge, caper, and cactus are typical species of tropical thorn forests.
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39.Which of the following Sealion are listed as Endangered on IUCN red list?
1) The Australian sea lion
2) The Galápagos sea lion
3) The New Zealand sea lion
Select the correct option from the codes given below:
[A] Only 1
[B] Only 1 & 3
[C] Only 3
[D] 1, 2 & 3
View Answer
D [1, 2 & 3]
Notes: Sea Lions are characterized by external ear flaps, long foreflippers, and the ability to walk on all fours. Three species, the Australian sea lion, the Galapagos sea lion, and the New Zealand sea lion, are listed as Endangered on IUCN red list.
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40.How many species of turtle live in the ocean?
[A] 5
[B] 6
[C] 7
[D] 8
View Answer
C [7]
Notes: Sea turtles are large, air-breathing reptiles that inhabit the tropical and subtropical seas throughout the world. There are seven species of turtle that live in the ocean. The IUCN status of Sea Turtles is Endangered.
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