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Biodiversity and Conservation NEET Questions

Biodiversity and Conservation NEET Questions

Biodiversity and Conservation NEET Questions

Biodiversity refers to the variety of life forms found in different ecosystems, including the diversity of species, genes and ecosystems themselves. It plays an important role in maintaining the balance of the environment by contributing to ecosystem services like pollination, nutrient cycling and climate regulation. Biodiversity also provides resources such as food, medicine and raw materials, which are essential for human survival and well-being.

Conservation of biodiversity is essential to protect this intricate web of life. It involves efforts to preserve species and habitats, prevent the extinction of endangered species and restore ecosystems that have been degraded by human activities. By maintaining biodiversity, we ensure the resilience of ecosystems to environmental changes and safeguard the resources necessary for future generations.

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Biodiversity and Conservation NEET Questions

Biodiversity and conservation are important topics in the NEET syllabus, reflecting the growing awareness of environmental issues and the need to protect the planet’s natural resources. Biodiversity refers to the variety of life forms on Earth, encompassing different species, ecosystems and genetic variations. Understanding biodiversity is essential for aspiring medical professionals, as it plays a vital role in ecosystem stability, human health and the development of new medicines.

Biodiversity and Conservation NEET Questions

Q1. Three levels of biodiversity are
A) genetic diversity, species diversity and ecological diversity
B) species diversity, ecological diversity and habitat diversity
C) geographical diversity, genetic diversity and habitat diversity
D) ecological diversity, species diversity and community diversity
Answer. A
Q2. Genetic diversity is the measure of
A) varieties of the species and their relative abundance present within a region
B) variation in the genetic information contained in the organisms
C) diversity of the genes at community and ecosystem levels
D) All of the above
Answer. B
Explanation: (b) Genetic diversity is the variation in genetic information present in the organisms. It is the diversity in number and types of genes as well as the chromosomes present in different species, their variation in the organism and their alleles in the same species. It helps in speciation through evolution of the existing species
Q3. The Western Ghats have a greater amphibians diversity than the Eastern Ghats. It is an example of
A) species diversity
B) genetic diversity
C) ecological diversity
D) None of the above
Answer. A
Explanation: (a) The Western Ghats have a greater amphibian species diversity than the Eastern Ghats. Thus, it is an example of species diversity which is defined as the diversity at the species level and is indicated by the variety and richness of the species of a region.
Q4. The medicinal plant, \(Rauwolfia \ vomitoria\), growing in Himalayan ranges shows variation in terms of the potency and concentration of the chemical(reserpine), that it produces. It is an example of
A) species diversity
B) ecological diversity
C) genetic diversity
D) None of the above
Answer. C
Q5. As estimated by Robert May, what is the total number of species present on earth ?
A) 3 million
B) 5 million
C) 7 million
D) 9 million
Answer. C
Q6. Which one of the following has the highest number of species in nature ?
A) Angiosperms
B) Fungi
C) Insects
D) Birds
Answer. C
Explanation: (c) Insects have the highest number of species in nature, making up more than \( 70 \% \) of the total. That means out of every 10 animals on this planet, 7 are insects.
Q7. Which of the following represents maximum number of species among global biodiversity ?
NEET 2013
A) Algae
B) Lichens
C) Fungi
D) Mosses and ferns
Answer. C
Explanation: (c) From the fungi, mosses, ferns, algae and lichens, the maximum number of species among the global biodiversity is represented by fungi.
Q8. From equator towards the poles biodiversity
A) decreases
B) increases
C) remains same
D) first decreases then increases
Answer. A
Q9. Biodiversity is affected by
A) latitudinal gradients and species-area relationship
B) species-area relationship and longitudinal gradients
C) Both (a) and (b)
D) latitudinal and longitudinal gradients
Answer. A
Q10. India is one of the 'twelve' megadiversity countries with \( \ldots\) \( \ldots\) of genetic resources of the world.
A) \( 12.1 \% \)
B) \(18.1 \%\)
C) \( 38.1 \% \)
D) \( 8.1 \% \)
Answer. D

Enhance your preparation with Arexiq’s Mock Test Series where we provide solutions to various MCQs like we provide in this post “Biodiversity and Conservation NEET MCQ”. Our expert teachers explain the concepts thoroughly, making it easy for you to understand. We offer many types of questions ensuring a clear grasp of concepts.

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FAQs

  1. What is biodiversity?

Answer. Biodiversity refers to the variety of life on Earth, including the diversity of species, ecosystems and genetic variation within species. It encompasses all living organisms, from plants and animals to microorganisms.

  1. Why is biodiversity important?

Answer. Biodiversity is important because it ensures ecosystem stability, provides resources like food and medicine, supports ecosystem services such as pollination and water purification and contributes to human well-being and cultural values.

  1. What are some major threats to biodiversity?

Answer. Major threats to biodiversity include habitat destruction, climate change, pollution, overexploitation of resources and invasive species. These factors can lead to the loss of species and ecosystems.

  1. What is conservation?

Answer. Conservation is the practice of protecting and managing biodiversity to prevent species extinction and ensure sustainable use of natural resources. It involves preserving habitats, restoring ecosystems and implementing policies to safeguard wildlife.

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