Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App
21. The Stockholm Convention is related to which of the following?
[A] Hazardous waste
[B] Persistant Organic Pollutants
[C] Pesticides
[D] Insecticides
Show Answer
Correct Answer: B [Persistant Organic Pollutants]
Notes:
The Stockholm convention signed in 2001 was effective from 2004 and is related to the aims to curb the production and use of Persistant Organic Pollutants
22. Which of the following best describes the endemic species?
[A] Species which are found over a large area
[B] Species which are restricted to a small area
[C] Species which are found in alpine region
[D] None of the above
Show Answer
Correct Answer: B [Species which are restricted to a small area]
Notes:
Endemic Species are those species which are found in restricted areas or in a small region.
23. 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
Show Answer
Correct 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.
24. Which of the following refers to the unique functional role or place of a species in an ecosystem?
[A] Ecotone
[B] Ecotype
[C] Niche
[D] None of the above
Show Answer
Correct Answer: C [Niche]
Notes:
A niche refers to the unique functional role or place of a species in an ecosystem. It is the description of all the biological, physical and chemical factors that a species needs to survive, stay healthy and reproduce in an ecosystem.
25. Which of the following statements are correct with respect to phagotrophs?
1. They are capable of producing their own food.
2. They depend on organic food derived from plants, animals or both.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: B [Only 2]
Notes:
Phagotrophs also known as Heterotrophs or other nourishing are incapable of producing their own food. They depend on organic food derived from plants, animals or both.
26. An increase in concentration of a pollutant from the environment to the first organism in a food chain is referred to as?
[A] Bioaccumulation
[B] Biomagnification
[C] Biosparging
[D] None of the above
Show Answer
Correct Answer: A [Bioaccumulation]
Notes:
An increase in concentration of a pollutant from the environment to the first organism in a food chain is referred to as Bioaccumulation. It refers to how pollutants enter a food chain.
27. In which of the following forests Chilauni, Indian chestnut, birch, plum, machilus, cinnamomum, litsea are found?
[A] Tropical wet evergreen forests
[B] Tropical moist deciduous forests
[C] Montane Wet temperate forests
[D] Sub tropical Dry evergreen forests
Show Answer
Correct Answer: C [Montane Wet temperate forests]
Notes:
Montane Wet Temperate Forests provide a variety of Timber ranging from Deodar, Chilauni, Indian chestnut, birch, plum, machilus, cinnamomum, litsea, magnolia, blue pine, oak, hemlock, etc.
28. Sri Venkateshwara Zoological Park is located in which of the following states?
[A] Karnataka
[B] Andhra Pradesh
[C] Kerala
[D] Tamil Nadu
Show Answer
Correct Answer: B [Andhra Pradesh]
Notes:
Sri Venkateshwara Zoological Park is located in Tirupati city in Andhra Pradesh. It is the largest zoo in the country. It is spread over 5500 acres.
29. Which of the following are visible above the ground only during the rainy season, but have a perennial underground
stem?
[A] Ephernerals
[B] Rain perennials
[C] Ephemeral
[D] None of the above
Show Answer
Correct Answer: B [Rain perennials]
Notes:
The rain perennials are visible above the ground only during the rainy season, but have a perennial underground stem as they depend on the presence of subterranean water.
30. Which of the following statements are correct regarding wetland ecosystems?
1. Wetlands are areas intermediate in character between deepwater and terrestrial habitats, also transitional in
nature, and often located between them.
2. These habitats experience periodic flooding from adjacent deepwater habitats.
3. Plants and animals are specifically adapted to shallow flooding or water logging.
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
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Wetlands are areas intermediate in character between deepwater and terrestrial habitats, also transitional in nature, and often located between them. Wetland habitats experience periodic flooding from adjacent deepwater habitats. Plants and animals are specifically adapted to shallow flooding or water logging.
