Ocean Biodiversity Listening Answers. We covered all the Ocean Biodiversity Listening Answers in this post for free so that you can practice well for the exam.
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Ocean Biodiversity Listening Answers for Students
Which one of the following is the most important factor responsible for the decline of biodiversity?
(A) Genetic assimilation
(B) Controlling assimilation
(C) Destruction of habitat
(D) Controlling pests
Option c – Destruction of habitat
Biodiversity has maximum danger from ( Ocean Biodiversity Listening Answers )
(A) Destruction of natural habitats and vegetation
(B) Improper agricultural operations
(C) Climate change
(D) Water pollution
Option a – Destruction of natural habitats and vegetation
Biodiversity Day is celebrated on
(A) 29 December
(B) 22 May
(C) 28 February
(D) 30 January
Option b – 22 May
Which one of the following strongly threatens biodiversity? ( Ocean Biodiversity Listening Answers )
(A) Fragile ecosystems such as mangroves and wetlands
(B) Inaccessible habitats in the Himalayas
(C) Destruction of natural habitats and vegetation and Jhum cultivation
(D) Creation of biosphere reserves
Option c – Destruction of natural habitats and vegetation and Jhum cultivation
The ‘Hot Spot’ of Biodiversity in India are
(A) Western Himalayas and Eastern Ghat
(B) Western Himalayas and Sunderban
(C) Eastern Himalayas and the Western Ghats
(D) Eastern Himalayas and Silent Valley
Option c – Eastern Himalayas and the Western Ghats
Which of the following is considered a ‘hot spot’ of biodiversity in India? ( Ocean Biodiversity Listening Answers )
(A) Aravalli hills
(B) Indo-Gangetic plain
(C) Eastern Ghats
(D) Western Ghats
Option d – Western Ghats
With reference to biodiversity, which of the following regions in India is regarded as a ‘HOT SPOT’?
(A) Andaman and Nicobar Island
(B) Gangetic Plain
(C) Central India
(D) None of the above
Option a – Andaman and Nicobar Island
Which of the following is considered a ‘Hot Spot’ of biodiversity? ( Ocean Biodiversity Listening Answers )
(A) Gangetic Plain
(B) Eastern Himalayas
(C) Gujarat
(D) Central India
Option b – Eastern Himalayas
The ‘Hot Spots’ (in the context of the environment) found in India are
(A) Eastern Ghat, Western Ghat
(B) Vindhya Range, Eastern Ghat
(C) Eastern Himalayan Range, Western Ghat
(D) Shivalik Range, Eastern Ghat
Option c – Eastern Himalayan Range, Western Ghat
Which one of the following is not a biodiversity hot spot’ in India? ( Ocean Biodiversity Listening Answers )
(A) Himalayas
(B) Vindhyas
(C) North-East India
(D) Western Ghats
Option b – Vindhyas
The most significant aspect of biodiversity is
(A) Food
(B) Drug
(C) Industrial Use
(D) Maintenance of the ecosystem
Option d – Maintenance of the ecosystem
The destruction of biodiversity is due to ( Ocean Biodiversity Listening Answers )
(A) The lack of natural habitats for organisms
(B) Environmental pollution
(C) the Destruction of forests
(D) All of the above
Option d – All of the above
Biodiversity is described as
(A) The range of different species in an environment
(B) The seasonal and daily changes in an environment
(C) The way species differ from one another
(D) The influence of physical factors on an environment
Option a – The range of different species in an environment
Biodiversity means ( Ocean Biodiversity Listening Answers )
(A) Diverse kinds of plants and vegetation
(B) Diverse kinds of animals
(C) Diverse kinds of plants and animals in a particular area
(D) Diverse kinds of exotic plants and animals
Option c – Diverse kinds of plants and animals in a particular area
The main reason for the decrease in biodiversity is
(A) Habitat pollution
(B) the Introduction of exotic species
(C) Over exploitation
(D) Natural habitat destruction
Option d – Natural habitat destruction
The term “sixth mass extinction/sixth extinction” is often mentioned in the news in the context of the discussion of:
(a) Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
(b) Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs.
(c) Large-scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world may cause the disappearance of good native crop plants and the loss of food biodiversity.
(d) Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution, and global climate change.
Option d – Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution, and global climate change
Which among the following is the secondary pollutant? ( Ocean Biodiversity Listening Answers )
(a) Smog.
(b) Carbon dioxide.
(c) Carbon monoxide.
(d) Fly ash.
Option a – Smog
When was India’s first National Action Plan on Climate Change released?
(a) 2000.
(b) 2008.
(c) 2012.
(d) 2015.
Option b – 2008
Which is the most stable ecosystem? ( Ocean Biodiversity Listening Answers )
(a) Marine (ocean).
(b) Forest.
(c) Mountain.
(d) Desert.
Option a – Marine (ocean)
Incinerators are used for which of the following?
(a) Burning wastes.
(b) Putting wastes into them.
(c) For cutting green trees.
(d) For making fertilizers.
Option a – Burning wastes
Which painkiller given to cattle is responsible for the near extinction of vultures in India? ( Ocean Biodiversity Listening Answers )
(a) Ibuprofen.
(b) Acetaminophen.
(c) Aspirin.
(d) Diclofenac.
Option d – Diclofenac
Which of the following is an example of an anthropogenic biome?
(a) Freshwater.
(b) Grassland.
(c) Rainforest.
(d) Cropland.
Option d – Cropland
As a result of global warming, the frequency and severity of which of the following are increasing due to global warming? ( Ocean Biodiversity Listening Answers )
(a) Only Cyclones.
(b) Only Storms.
(c) Only Hurricanes.
(d) All of the above.
Option d – All of the above
Which among the following is the most abundant greenhouse gas (GHG) in the Earth’s atmosphere?
(a) Carbon dioxide.
(b) Water vapor.
(c) Sulphur dioxide.
(d) Tropospheric ozone.
Option b – Water vapor
Which one of the following is a useful biological indicator of sulfur dioxide pollution? ( Ocean Biodiversity Listening Answers )
(a) Bryophytes.
(b) Algal blooms.
(c) Pseudomonas.
(d) Lichens.
Option d – Lichens
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as:
(a) Biomagnification.
(b) Bioremediation.
(c) Biomethanation.
(d) Bioreduction.
Option b – Bioremediation
Which among the following is the unit of measurement of the “Ecological Footprint”? ( Ocean Biodiversity Listening Answers )
(a) Global Hectare.
(b) Gallon Per Capita.
(c) Cubic Meter.
(d) Man Hour.
Option a – Global Hectare
Respiratory Suspended Particulate Matter (RSPM) are the particles having diameter:
(a) Less than 2.5 mm.
(b) Less than 10 mm.
(c) Less than 20 mm.
(d) Less than 100 mm.
Option b – Less than 10 mm
Biomagnification refers to an increase in the number/content/quantity of:
(a) Blue-green algae.
(b) Insects.
(c) Weeds.
(d) Toxicants.
Option d – Toxicants
The two major functional components of any ecosystem are:
(a) Energy flow and producers.
(b) Nutrient cycling and energy flow.
(c) Energy flow and decomposer population.
(d) Consumers and energy flow.
Option b – Nutrient cycling and energy flow
From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
(a) Sathyamangalam Tiger Reserve.
(b) Nallamala Forest.
(c) Nagarhole National Park.
(d) Seshachalam Biosphere Reserve.
Option a – Sathyamangalam Tiger Reserve
Biological equilibrium is the balance between:
(a) Producers and consumers.
(b) Producers and nutrients.
(c) Consumers and ecological factors.
(d) Producers, consumers, and decomposers.
Option d – Producers, consumers, and decomposers
In a pond ecosystem, the BOD increases due to:
(a) Photosynthetic activity of algae.
(b) High density of aquatic macrophytes.
(c) High density of fish.
(d) Increase in the population of bacteria.
Option d – Increase in the population of bacteria
Considering the global warming potential of CO2 as one, the global warming potential of CH4 has been estimated to be approximately:
(a) 12.
(b) 15.
(c) 21.
(d) 35.
Option c – 21
The pollutants like phenol and mercury can be removed from water by:
(a) Sedimentation.
(b) Electro-dialysis.
(c) Filtration.
(d) Biological oxidation.
Option b – Electro-dialysis
The pollutant generated in high quantity by the thermal power plants is:
(a) SO₂.
(b) CO.
(c) NH3.
(d) Fly ash.
Option d – Fly ash
In India, the Indus Dolphin, one of the world’s rarest mammals, is mainly found in which one of the following rivers?
(a) Ganga.
(b) Cauvery.
(c) Brahmaputra.
(d) Beas.
Option d – Beas
Which one of the following statements about the National Adaptation Fund for Climate Change is not correct?
(a) The fund is meant to assist national and State level activities to meet the cost of adaptation measures.
(b) This scheme has been taken as a Central Sector Scheme.
(c) The Indian Council of Agricultural Research is the national implementing entity for the fund.
(d) The scheme has been in force since 2015-2016.
Option c – The Indian Council of Agricultural Research is the national implementing entity for the fund
Which of the following is NOT a biodegradable pollutant?
(a) Paper waste.
(b) Pesticide.
(c) Manure.
(d) Slaughterhouse waste.
Option b – Pesticide
The introduction of new life forms in a denuded habitat is initiated by the process of:
(a) Ecesis.
(b) Aggregation.
(c) Migration.
(d) Coactions.
Option c – Migration
Which one of the following is the most effective factor of coral bleaching?
(A) Marine pollution
(B) Increase of salinity of seas
(C) Rise in normal temperature of seawater
(D) The outbreak of diseases and epidemics
Option c – Rise in normal temperature of seawater
‘Silent Valley is located in
(A) Uttarakhand
(B) Kerala
(C) Arunachal Pradesh
(D) Jammu and Kashmir
Option b – Kerala
(A) Uttarakhand
(B) Himachal Pradesh
(C) Kerala
(D) Tamil Nadu
Option c – Kerala
Valley of Flowers is situated in
(A) Kerala
(B) Jammu and Kashmir
(C) Uttarakhand
(D) Himachal Pradesh
Option c – Uttarakhand
Which of the following is a Ramsar site under Ramsar Convention?
(A) Godavari delta
(B) Krishna delta
(C) Sunderban
(D) Bhoj wetland
Option d – Bhoj wetland
The Ramsar Convention was associated with the conservation of
(A) Bio-fuels
(B) Forests
(C) Wetlands
(D) Drylands
Option c – Wetlands
Wetland Day is observed on
(A) 2nd February
(B) 2nd April
(C) 2nd May
(D) 2nd March
Option a – 2nd February
In India, which one of the following States has the largest inland saline wetland?
(A) Gujarat
(B) Haryana
(C) Madhya Pradesh
(D) Rajasthan
Option a – Gujarat
Biosphere reserves are areas for the conservation of
(A) Grasslands
(B) Agriculture production
(C) Atmospheric balance
(D) Genetic variation
Option d – Genetic variation
(A) the Bio-safety agreement
(B) Pollution
(C) Ozone depletion
(D) Climate change
Option a – the Bio-safety agreement
Which of the following can be threats to the biodiversity of a region? I. Global warming II. Fragmentation of habitat. III. Invasion of alien species. IV. Promotion of vegetarianism. Select the correct answer using the codes given below.
(a) II and III only
(b) I, III, and IV
(c) I, II, and III
(d) I and IV
Option c – I, II, and III
Consider the following classification of biodiversity. I. Alpha-diversity – Between community diversity II. Beta-diversity- Within community diversity III. Gamma diversity – Overall Biodiversity Which among the above is/are incorrectly paired?
(a) Only II
(b) Only III
(c) I and II
(d) I, II, and III
Option b – Only III
In which of the following the maximum plant diversity is found?
(a) Tropical evergreen forests
(b) Tropical moist deciduous forests
(c) Sub-tropical mountain forests
(d) Temperate moist forests
Option a – Tropical evergreen forests
Biodiversity changes occur due to
(a) an increase towards the equator.
(b) decrease towards the equator.
(c) remains unchanged throughout the Earth.
(d) increases towards the poles.
Option a – an increase towards the equator
Biodiversity manifests itself at different diversities in the following level I. Environmental diversity II. Species diversity III. Genetic diversity IV. Ecosystem diversity Select the correct answer using the codes given below.
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I, II, III and IV
Option b – II, III and IV
The Temperate Grassland or Shrub Land Biome is commonly known as I. Steppes in Central Asia II. Prairie in North America III. Veld in South America Selects the correct answer using the codes given below.
(a) I and II
(b) I and III
(c) II and III
(d) I, II and III
Option d – I, II and III
Which of the following statements with regard to Biosphere Reserve is/are correct? I. The idea of a Biosphere Reserve was initiated by UNESCO in 1973-74. II. There are 18 designated Biosphere Reserves in India. III. All Biosphere Reserves in India have been included in the world network of Biosphere Reserves UNESCO. Select the correct answer using the codes given below.
(a) Only I
(b) Only II
(c) I and II
(d) I, II, and III
Option b – Only II
Given below are two statements, one is labeled as Assertion (A) and the other as Reason (R). Assertion (A) a Maximum number of the species of butterflies are found in tropical countries. Reason (R) Butterflies can not tolerate low temperatures. Select the correct answer using the codes given below.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, But R is true
Option a – Both A and R are true and R is the correct explanation of A
Which one of the following cities is associated with Biosafety Protocol to the Convention on Biological Diversity (2000)?
(a) Geneva
(b) Nairobi
(c) Cartagena
(d) Rio de Janeiro
Option c – Cartagena
United Nations Organisation has declared the decade 2011-2020 as
(a) a Decade of Biodiversity
(b) a Decade of Pollution
(c) a Decade of Space Technology
Option b – a Decade of Pollution
Which of the following statements is not true?
(a) Species diversity increases from the equator toward the poles.
(b) Tropics harbor more species than temperate areas.
(c) The greatest biodiversity occurs in the Amazon rainforest.
(d) Species diversity decreases from temperate areas towards the poles.
Option a – Species diversity increases from the equator toward the poles
Consider the following statements regarding biodiversity hotspots. I. It must have at least 1500 vascular plants as endemic. II. It must have 30% or less of its original natural vegetation. III. There are 36 bio-diversity in the world. Which of the statements given above is/are correct?
(a) Only I
(b) I and II
(c) I, II, and III
(d) II and III
Option c – I, II, and III
Biodiversity forms the basis for human existence in the following ways I. Soil formation II. Prevention of soil erosion. III. Recycling of waste IV. Pollination of crops Selects the correct answer using the codes given below.
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I, II, III and IV
Option d – I, II, III and IV
The destruction of biodiversity is due to
(a) the lack of natural habitats for organisms
(b) Environmental pollution
(c) the Destruction of forests
(d) All of the above
Option d – All of the above
Which one of the following is not a reason for the decrease in biodiversity?
(a) Large-scale deforestation
(b) Exploitation of forest produce
(c) Maintaining sacred groves
(d) Encroachment in forest areas
Option c – Maintaining sacred groves
Which among the following measure is used to measure species richness within a particular area or ecosystem?
(a) Alpha index
(b) Beta index
(c) Gamma index
(d) None of these
Option a – Alpha index
Consider the following statements. I. Alpha diversity refers to the diversity within a particular area or ecosystem and is usually expressed by the number of species. II. Gamma diversity is a measure of the overall diversity of the different ecosystems within a region. III. Beta diversity measures the total number of species that are unique to each of the ecosystems being compared. Which among the statements given above is/are correct?
(a) I and II
(b) II and III
(c) I, II and III
(d) I and III
Option c – I, II and III
Consider the following statements. I. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. II. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option c – Both I and II
Who among the following had used the term ‘Biodiversity’?
(a) CJ Barrow
(b) De Carter
(c) Walter G Rosen
(d) DR Batish
Option c – Walter G Rosen
Biodiversity is described as
(a) the range of different species in an environment.
(b) the seasonal and daily changes in an environment.
(c) the way species differ from one another.
(d) the influence of physical factors on an environment.
Option a – the range of different species in an environment
The most significant aspect of biodiversity is
(a) food
(b) drug
(c) industrial use
(d) maintenance of the ecosystem
Option d – maintenance of the ecosystem
Biodiversity has maximum danger from ( Biodiversity NEET Questions )
(a) Destruction of natural habitats and vegetation
(b) Improper agricultural operations
(c) Climate change
(d) Water pollution
Option a – Destruction of natural habitats and vegetation
The main reason for the decrease in biodiversity is ( Biodiversity NEET Questions )
(a) Habitat pollution
(b) the Introduction of exotic species
(c) Overexploitation
(d) Natural habitat destruction
Option d – Natural habitat destruction
We covered all the ocean biodiversity listening answers above in this post for free so that you can practice well for the exam.
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