NEET –
Topic:
📘 Study MCQs
Q1. The variety of life forms in a given region is termed.
• Biodiversity
• Speciation
• Extinction
• Mutation
Answer: Biodiversity
The correct answer is “Biodiversity”. This question checks the understanding of the basic concept related to “The variety of life forms in a given region is termed.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Biodiversity” is the correct choice.
Q2. The ‘Evil Quartet’ is primarily associated with.
• Causes of biodiversity loss
• Types of ecological succession
• Modes of nutrient cycling
• Stages of population growth
Answer: Causes of biodiversity loss
The correct answer is “Causes of biodiversity loss”. This question checks the understanding of the basic concept related to “The ‘Evil Quartet’ is primarily associated with.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Causes of biodiversity loss” is the correct choice.
Q3. Species confined to a specific region and not found elsewhere are called.
• Endemic species
• Keystone species
• Exotic species
• Cosmopolitan species
Answer: Endemic species
The correct answer is “Endemic species”. This question checks the understanding of the basic concept related to “Species confined to a specific region and not found elsewhere are called.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Endemic species” is the correct choice.
Q4. The IUCN Red List provides information on the.
• Conservation status of species
• Genetic diversity of crops
• Phylogenetic relationships
• Soil fertility indices
Answer: Conservation status of species
The correct answer is “Conservation status of species”. This question checks the understanding of the basic concept related to “The IUCN Red List provides information on the.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Conservation status of species” is the correct choice.
Q5. The concept of ‘Hotspots’ in conservation refers to regions with high.
• Species richness and endemism under threat
• Atmospheric temperature
• Industrial development
• Precipitation levels
Answer: Species richness and endemism under threat
The correct answer is “Species richness and endemism under threat”. This question checks the understanding of the basic concept related to “The concept of ‘Hotspots’ in conservation refers to regions with high.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Species richness and endemism under threat” is the correct choice.
Q6. The historic convention held at Rio de Janeiro in 1992, focusing on biodiversity, is.
• Convention on Biological Diversity (CBD)
• Kyoto Protocol
• Montreal Protocol
• Ramsar Convention
Answer: Convention on Biological Diversity (CBD)
The correct answer is “Convention on Biological Diversity (CBD)”. This question checks the understanding of the basic concept related to “The historic convention held at Rio de Janeiro in 1992, focusing on biodiversity, is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Convention on Biological Diversity (CBD)” is the correct choice.
Q7. The number of species known and described by scientists is about.
• 1.7 to 1.8 million
• 10 million
• 500,000
• 5 million
Answer: 1.7 to 1.8 million
The correct answer is “1.7 to 1.8 million”. This question checks the understanding of the basic concept related to “The number of species known and described by scientists is about.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “1.7 to 1.8 million” is the correct choice.
Q8. The most significant cause of species extinction today is.
• Habitat loss and fragmentation
• Overexploitation
• Alien species invasion
• Co-extinctions
Answer: Habitat loss and fragmentation
The correct answer is “Habitat loss and fragmentation”. This question checks the understanding of the basic concept related to “The most significant cause of species extinction today is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Habitat loss and fragmentation” is the correct choice.
Q9. Sacred groves are protected because of.
• Religious and cultural beliefs
• Government legislation
• High economic value
• Tourism potential
Answer: Religious and cultural beliefs
The correct answer is “Religious and cultural beliefs”. This question checks the understanding of the basic concept related to “Sacred groves are protected because of.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Religious and cultural beliefs” is the correct choice.
Q10. An exotic species that has become a major threat to Indian aquatic biodiversity is.
• Water hyacinth
• Neem tree
• Banyan tree
• Wheat grass
Answer: Water hyacinth
The correct answer is “Water hyacinth”. This question checks the understanding of the basic concept related to “An exotic species that has become a major threat to Indian aquatic biodiversity is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Water hyacinth” is the correct choice.
Q11. The phenomenon where the loss of one species leads to the loss of another is called.
• Co-extinction
• Background extinction
• Mass extinction
• Natural extinction
Answer: Co-extinction
The correct answer is “Co-extinction”. This question checks the understanding of the basic concept related to “The phenomenon where the loss of one species leads to the loss of another is called.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Co-extinction” is the correct choice.
Q12. The genetic variation within a species is a component of biodiversity known as.
• Genetic diversity
• Species diversity
• Ecological diversity
• Morphological diversity
Answer: Genetic diversity
The correct answer is “Genetic diversity”. This question checks the understanding of the basic concept related to “The genetic variation within a species is a component of biodiversity known as.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Genetic diversity” is the correct choice.
Q13. Species with very small populations that are at high risk of extinction are categorized as.
• Critically Endangered
• Vulnerable
• Near Threatened
• Least Concern
Answer: Critically Endangered
The correct answer is “Critically Endangered”. This question checks the understanding of the basic concept related to “Species with very small populations that are at high risk of extinction are categorized as.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Critically Endangered” is the correct choice.
Q14. The project focused on the conservation of the Indian crocodile is.
• Crocodile Conservation Project
• Project Hangul
• Project Elephant
• Save the Rhino
Answer: Crocodile Conservation Project
The correct answer is “Crocodile Conservation Project”. This question checks the understanding of the basic concept related to “The project focused on the conservation of the Indian crocodile is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Crocodile Conservation Project” is the correct choice.
Q15. An area where animals are protected from any disturbance is a.
• Sanctuary
• Biosphere Reserve
• National Park
• Zoo
Answer: Sanctuary
The correct answer is “Sanctuary”. This question checks the understanding of the basic concept related to “An area where animals are protected from any disturbance is a.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Sanctuary” is the correct choice.
Q16. The Western Ghats are a biodiversity hotspot located in.
• India
• Brazil
• South Africa
• Australia
Answer: India
The correct answer is “India”. This question checks the understanding of the basic concept related to “The Western Ghats are a biodiversity hotspot located in.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “India” is the correct choice.
Q17. A species whose presence is pivotal for the functioning of an ecosystem is a.
• Keystone species
• Endemic species
• Indicator species
• Umbrella species
Answer: Keystone species
The correct answer is “Keystone species”. This question checks the understanding of the basic concept related to “A species whose presence is pivotal for the functioning of an ecosystem is a.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Keystone species” is the correct choice.
Q18. The disappearance of a species from the Earth is termed.
• Extinction
• Speciation
• Migration
• Evolution
Answer: Extinction
The correct answer is “Extinction”. This question checks the understanding of the basic concept related to “The disappearance of a species from the Earth is termed.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Extinction” is the correct choice.
Q19. The group that comprises the maximum number of described animal species is.
• Insects
• Mammals
• Birds
• Fish
Answer: Insects
The correct answer is “Insects”. This question checks the understanding of the basic concept related to “The group that comprises the maximum number of described animal species is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Insects” is the correct choice.
Q20. The total number of biodiversity hotspots identified worldwide is about.
• 36
• 10
• 25
• 50
Answer: 36
The correct answer is “36”. This question checks the understanding of the basic concept related to “The total number of biodiversity hotspots identified worldwide is about.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “36” is the correct choice.
Q21. The species category considered closest to facing extinction in the wild is.
• Critically Endangered (CR)
• Endangered (EN)
• Vulnerable (VU)
• Extinct in the Wild (EW)
Answer: Critically Endangered (CR)
The correct answer is “Critically Endangered (CR)”. This question checks the understanding of the basic concept related to “The species category considered closest to facing extinction in the wild is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Critically Endangered (CR)” is the correct choice.
Q22. The diversity at the level of community and ecosystem is called.
• Ecological diversity
• Species diversity
• Genetic diversity
• Landscape diversity
Answer: Ecological diversity
The correct answer is “Ecological diversity”. This question checks the understanding of the basic concept related to “The diversity at the level of community and ecosystem is called.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Ecological diversity” is the correct choice.
Q23. An international treaty for conserving migratory species is.
• Convention on Migratory Species (CMS)
• CITES
• IUCN
• UNESCO
Answer: Convention on Migratory Species (CMS)
The correct answer is “Convention on Migratory Species (CMS)”. This question checks the understanding of the basic concept related to “An international treaty for conserving migratory species is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Convention on Migratory Species (CMS)” is the correct choice.
Q24. The major cause of the decline in population of the Asian vulture was.
• Drug (Diclofenac) poisoning
• Habitat loss
• Hunting
• Climate change
Answer: Drug (Diclofenac) poisoning
The correct answer is “Drug (Diclofenac) poisoning”. This question checks the understanding of the basic concept related to “The major cause of the decline in population of the Asian vulture was.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Drug (Diclofenac) poisoning” is the correct choice.
Q25. The concept linking species diversity to the functional aspect of an ecosystem is.
• Rivet popper hypothesis
• Allen’s rule
• Gause’s principle
• Bergmann’s rule
Answer: Rivet popper hypothesis
The correct answer is “Rivet popper hypothesis”. This question checks the understanding of the basic concept related to “The concept linking species diversity to the functional aspect of an ecosystem is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Rivet popper hypothesis” is the correct choice.
Q26. The most abundant group of organisms among vertebrates is.
• Fishes
• Birds
• Reptiles
• Mammals
Answer: Fishes
The correct answer is “Fishes”. This question checks the understanding of the basic concept related to “The most abundant group of organisms among vertebrates is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Fishes” is the correct choice.
Q27. The ‘Lungs of the Planet’ is a phrase often used for.
• Amazon rainforests
• Sahara desert
• Himalayan ranges
• Great Barrier Reef
Answer: Amazon rainforests
The correct answer is “Amazon rainforests”. This question checks the understanding of the basic concept related to “The ‘Lungs of the Planet’ is a phrase often used for.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Amazon rainforests” is the correct choice.
Q28. The primary goal of a biosphere reserve is to.
• Conserve biodiversity and promote sustainable development
• Protect a single flagship species
• Promote commercial forestry
• Serve as an exclusive tourism zone
Answer: Conserve biodiversity and promote sustainable development
The correct answer is “Conserve biodiversity and promote sustainable development”. This question checks the understanding of the basic concept related to “The primary goal of a biosphere reserve is to.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Conserve biodiversity and promote sustainable development” is the correct choice.
Q29. The organization that maintains the IUCN Red List is the.
• International Union for Conservation of Nature
• United Nations
• World Health Organization
• World Wildlife Fund
Answer: International Union for Conservation of Nature
The correct answer is “International Union for Conservation of Nature”. This question checks the understanding of the basic concept related to “The organization that maintains the IUCN Red List is the.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “International Union for Conservation of Nature” is the correct choice.
Q30. The smallest taxonomic group showing high species diversity in India is.
• Angiosperms
• Mammals
• Birds
• Algae
Answer: Angiosperms
The correct answer is “Angiosperms”. This question checks the understanding of the basic concept related to “The smallest taxonomic group showing high species diversity in India is.”.
Such concepts are frequently tested in competitive exams like NEET to build strong fundamentals.
Therefore, “Angiosperms” is the correct choice.