“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers…

 

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

MCQs on Reptiles Part-4

Q. Which of the following is the biggest threat to reptile populations globally? 

   a) Overpopulation 

   b) Habitat destruction 

   c) Food scarcity 

   d) Competition with other species 

Ans: b) Habitat destruction

Q. The primary cause of habitat loss for reptiles is: 

   a) Illegal hunting 

   b) Deforestation 

   c) Disease 

   d) Overgrazing 

Ans: b) Deforestation

Q. Which of the following human activities contributes most to the decline of reptile species? 

   a) Fishing 

   b) Farming 

   c) Urbanization 

   d) Mountaineering 

Ans: c) Urbanization

Q. Climate change affects reptiles primarily through: 

   a) Increased competition with other species 

   b) Habitat fragmentation 

   c) Alteration of temperature-dependent sex determination 

   d) Increased predation 

Ans: c) Alteration of temperature-dependent sex determination

Q. Why is illegal wildlife trade a significant threat to reptiles? 

   a) It increases competition among species 

   b) It reduces genetic diversity 

   c) It disrupts the food chain 

   d) It leads to overexploitation of species for pet trade and skin 

Ans: d) It leads to overexploitation of species for pet trade and skin

Q. What percentage of the world’s reptiles are estimated to be threatened with extinction? 

   a) 10% 

   b) 19% 

   c) 25% 

   d) 40% 

Ans: b) 19%

Q. Which reptile is most threatened by habitat loss due to deforestation in the Amazon rainforest? 

   a) Komodo dragon 

   b) Green anaconda 

   c) Gharial 

   d) Galápagos tortoise 

Ans: b) Green anaconda

Q. The IUCN Red List identifies species that are: 

   a) Invasive 

   b) Threatened or endangered 

   c) Common 

   d) Domesticated 

Ans: b) Threatened or endangered

Q. Pollution, especially plastic pollution, is a threat to which group of reptiles? 

   a) Sea turtles 

   b) Crocodiles 

   c) Iguanas 

   d) Monitor lizards 

Ans: a) Sea turtles

Q. Which of the following is a major threat to freshwater reptiles like turtles and crocodiles? 

   a) Overpopulation 

   b) Wetland drainage 

   c) Predation by mammals 

   d) Air pollution 

Ans: b) Wetland drainage

Q. Habitat fragmentation can lead to: 

   a) Increased genetic diversity 

   b) Inbreeding and isolated populations 

   c) Improved reproduction rates 

   d) Decreased predation 

Ans: b) Inbreeding and isolated populations

Q. Which habitat type is most critical for the survival of desert reptiles? 

   a) Grasslands 

   b) Wetlands 

   c) Arid and semi-arid environments 

   d) Forests 

Ans: c) Arid and semi-arid environments

Q. What happens to reptiles when their habitats are fragmented by roads and infrastructure? 

   a) Increased reproduction 

   b) Road mortality increases 

   c) They move to urban areas 

   d) They develop new habitats 

Ans: b) Road mortality increases

Q. Coastal development is a major threat to which group of reptiles? 

   a) Snakes 

   b) Sea turtles 

   c) Crocodiles 

   d) Komodo dragons 

Ans: b) Sea turtles

Q. Which reptile is known to be critically endangered due to wetland destruction in India? 

   a) Indian python 

   b) Gharial 

   c) Saltwater crocodile 

   d) King cobra 

Ans: b) Gharial

Q. Mangrove loss directly affects which of the following reptiles? 

   a) Chameleons 

   b) Komodo dragons 

   c) Saltwater crocodiles 

   d) Gila monsters 

Ans: c) Saltwater crocodiles

Q. Invasive plant species can threaten reptiles by: 

   a) Outcompeting their prey 

   b) Enhancing their habitats 

   c) Reducing the availability of suitable nesting sites 

   d) Protecting them from predators 

Ans: c) Reducing the availability of suitable nesting sites

Q. Which of the following is a critical habitat for leatherback sea turtles, often threatened by human activity? 

   a) Coral reefs 

   b) Sandy beaches 

   c) Deserts 

   d) Tropical forests 

Ans: b) Sandy beaches

Q. The expansion of agriculture into forested areas poses a significant threat to which type of reptile? 

   a) Arboreal snakes 

   b) Desert lizards 

   c) Marine iguanas 

   d) Sea snakes 

Ans: a) Arboreal snakes

Q. What is the consequence of agricultural pesticides on reptile populations? 

   a) Increased food availability 

   b) Improved habitats 

   c) Poisoning and reduction of prey species 

   d) Increase in nesting sites 

Ans: c) Poisoning and reduction of prey species

Q. Rising global temperatures may disrupt reptile species by: 

   a) Enhancing reproduction 

   b) Altering their natural distribution 

   c) Increasing competition with mammals 

   d) Increasing predator populations 

Ans: b) Altering their natural distribution

Q. Temperature-dependent sex determination in reptiles is most affected by: 

   a) Poaching 

   b) Climate change 

   c) Habitat loss 

   d) Urbanization 

Ans: b) Climate change

Q. Which reptile species is especially vulnerable to coral reef degradation due to climate change? 

   a) Leatherback sea turtle 

   b) Galápagos tortoise 

   c) Komodo dragon 

   d) Green sea turtle 

Ans: d) Green sea turtle

Q. Rising sea levels due to climate change primarily threaten: 

   a) Land reptiles 

   b) Marine reptiles and their nesting grounds 

   c) Forest reptiles 

   d) Desert reptiles 

Ans: b) Marine reptiles and their nesting grounds

Q. Which climatic event can lead to the loss of reptiles’ habitats in coastal regions? 

   a) Cyclones and hurricanes 

   b) Tornadoes 

   c) Earthquakes 

   d) Tsunamis 

Ans: a) Cyclones and hurricanes

Q. Changes in precipitation patterns affect desert reptiles by: 

   a) Providing more food 

   b) Reducing available water sources 

   c) Increasing temperature 

   d) Protecting from predators 

Ans: b) Reducing available water sources

Q. Global warming could potentially: 

   a) Increase the range of cold-blooded reptiles 

   b) Reduce the availability of suitable nesting sites 

   c) Eliminate reptile predators 

   d) Increase prey populations 

Ans: b) Reduce the availability of suitable nesting sites

Q. Increased frequency of wildfires due to climate change poses a threat to which group of reptiles? 

   a) Sea turtles 

   b) Desert snakes 

   c) Forest-dwelling lizards 

   d) Freshwater turtles 

Ans: c) Forest-dwelling lizards

Q. Which of the following is a direct consequence of increased UV radiation due to ozone layer depletion on reptiles? 

   a) Increase in food availability 

   b) Skin diseases and eye damage 

   c) Increased reproduction 

   d) Improved camouflage 

Ans: b) Skin diseases and eye damage

Q. Which of the following ecosystems are highly vulnerable to the effects of climate change, impacting reptiles? 

   a) Alpine forests 

   b) Coral reefs 

   c) Grasslands 

   d) Urban areas 

Ans: b) Coral reefs

Q. One of the major effects of road construction on reptiles is: 

   a) Increased nesting grounds 

   b) Road mortality 

   c) Better mobility 

   d) Decreased predation 

Ans: b) Road mortality

Q. Which of the following is a significant cause of injury or death in reptiles due to human activities? 

   a) Fishing gear entanglement 

   b) Mountaineering 

   c) Desert farming 

   d) Tree cutting 

Ans: a) Fishing gear entanglement

Q. Human consumption of reptile meat is a significant threat to which species? 

   a) Komodo dragon 

   b) Saltwater crocodile 

   c) Green sea turtle 

   d) Gharial 

Ans: c) Green sea turtle

Q. Which illegal activity threatens the survival of the Indian star tortoise? 

   a) Poaching for meat 

   b) Habitat destruction 

   c) Illegal

 pet trade 

   d) Overhunting 

Ans: c) Illegal pet trade

Q. How does the pet trade threaten the survival of reptiles? 

   a) Increases genetic diversity 

   b) Leads to overexploitation 

   c) Protects endangered species 

   d) Helps conservation efforts 

Ans: b) Leads to overexploitation

Q. Which of the following is a conservation strategy used to protect reptiles from illegal trade? 

   a) Habitat destruction 

   b) Ecotourism 

   c) Enforcement of CITES regulations 

   d) Logging 

Ans: c) Enforcement of CITES regulations

Q. One of the reasons reptiles are vulnerable to overhunting is: 

   a) Slow reproductive rates 

   b) Large populations 

   c) Quick adaptation 

   d) Low demand for their products 

Ans: a) Slow reproductive rates

Q. The overexploitation of sea turtle eggs is a common problem in: 

   a) Mediterranean beaches 

   b) Arctic regions 

   c) Tropical coastlines 

   d) Mountain regions 

Ans: c) Tropical coastlines

Q. How can ecotourism potentially harm reptiles? 

   a) By improving conservation efforts 

   b) By disturbing nesting grounds 

   c) By reducing habitat destruction 

   d) By increasing funding for conservation 

Ans: b) By disturbing nesting grounds

Q. Which species of reptile is primarily threatened by poaching for its skin in Southeast Asia? 

   a) Komodo dragon 

   b) King cobra 

   c) Reticulated python 

   d) Gila monster 

Ans: c) Reticulated python

Q. Which of the following is a major global agreement to control wildlife trade and protect endangered species, including reptiles? 

   a) Kyoto Protocol 

   b) CITES 

   c) Paris Agreement 

   d) CBD 

Ans: b) CITES

Q. Marine Protected Areas (MPAs) are primarily established to: 

   a) Promote fishing 

   b) Protect marine reptiles and their habitats 

   c) Encourage tourism 

   d) Build resorts 

Ans: b) Protect marine reptiles and their habitats

Q. Which conservation strategy is used to protect the eggs of sea turtles? 

   a) Reforestation 

   b) Relocation to hatcheries 

   c) Use of pesticides 

   d) Hunting restrictions 

Ans: b) Relocation to hatcheries

Q. Protected areas such as national parks and reserves help in: 

   a) Commercial exploitation of reptiles 

   b) Preservation of habitats and species 

   c) Deforestation 

   d) Expansion of urbanization 

Ans: b) Preservation of habitats and species

Q. The successful conservation of which reptile in the Galápagos Islands is a global conservation success story? 

   a) Komodo dragon 

   b) Gharial 

   c) Galápagos tortoise 

   d) King cobra 

Ans: c) Galápagos tortoise

Q. Which of the following is a key component of species recovery programs for reptiles? 

   a) Breeding in captivity 

   b) Deforestation 

   c) Encouraging illegal trade 

   d) Habitat destruction 

Ans: a) Breeding in captivity

Q. Which global initiative focuses on monitoring and protecting threatened species, including reptiles? 

   a) WWF (World Wide Fund for Nature) 

   b) NASA 

   c) WTO 

   d) IMF 

Ans: a) WWF (World Wide Fund for Nature)

Q. Sea turtle conservation programs focus primarily on: 

   a) Protecting adults from predators 

   b) Reducing pollution 

   c) Ensuring the safe incubation of eggs 

   d) Increasing poaching 

Ans: c) Ensuring the safe incubation of eggs

Q. Which international day is dedicated to raising awareness about reptiles and amphibians? 

   a) World Reptile Day 

   b) Earth Day 

   c) World Conservation Day 

   d) Biodiversity Day 

Ans: a) World Reptile Day

Q. A key objective of wildlife corridors is to: 

   a) Separate reptile populations 

   b) Link fragmented habitats 

   c) Increase urbanization 

   d) Limit reptile reproduction 

Ans: b) Link fragmented habitats

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