Root nodules are found in some leguminous plants and also in some other plants. In leguminous plants, such as peas, beans, and lentils, root nodules form a symbiotic relationship with nitrogen-fixing bacteria like Rhizobium. These bacteria convert atmospheric nitrogen into ammonia, which is then useRead more
Root nodules are found in some leguminous plants and also in some other plants. In leguminous plants, such as peas, beans, and lentils, root nodules form a symbiotic relationship with nitrogen-fixing bacteria like Rhizobium. These bacteria convert atmospheric nitrogen into ammonia, which is then used by the plant for growth. This mutualistic relationship enhances soil fertility and supports agricultural productivity. Besides legumes, a few other plants, such as some species of alder and actinorhizal plants, also form root nodules with different types of nitrogen-fixing bacteria like Frankia. These nodules play a similar role in nitrogen fixation, contributing to the nitrogen cycle and improving soil quality. Root nodules are essential for sustainable farming practices and ecosystem health by providing a natural source of nitrogen to plants.
Nitrogen-fixing bacteria are those that directly convert atmospheric nitrogen into nitrogenous compounds. These bacteria, such as Rhizobium and Azotobacter, establish symbiotic relationships with the roots of certain plants like legumes, enabling them to fix nitrogen from the air into a usable formRead more
Nitrogen-fixing bacteria are those that directly convert atmospheric nitrogen into nitrogenous compounds. These bacteria, such as Rhizobium and Azotobacter, establish symbiotic relationships with the roots of certain plants like legumes, enabling them to fix nitrogen from the air into a usable form like ammonia. This process is vital for plant growth and agricultural productivity, as it provides an essential nutrient for plant development. In addition to symbiotic nitrogen-fixing bacteria, there are also free-living nitrogen-fixing bacteria found in soil and water that contribute to the nitrogen cycle. These bacteria play a critical role in maintaining soil fertility and supporting ecosystems. Their ability to convert nitrogen into compounds that can be assimilated by plants helps sustain food chains and biodiversity. Nitrogen-fixing bacteria are an important part of sustainable agriculture and environmental health.
The smallest organism among the options provided is the virus. Viruses are much smaller than bacteria, mycoplasma, and yeast. They are submicroscopic infectious agents, ranging in size from about 20 to 300 nanometers. Viruses cannot replicate on their own and must infect a host cell to reproduce. ThRead more
The smallest organism among the options provided is the virus. Viruses are much smaller than bacteria, mycoplasma, and yeast. They are submicroscopic infectious agents, ranging in size from about 20 to 300 nanometers. Viruses cannot replicate on their own and must infect a host cell to reproduce. They consist of genetic material (either DNA or RNA) enclosed in a protein coat called a capsid. Some viruses also have an outer lipid envelope. Viruses are known to infect a wide range of hosts, including animals, plants, fungi, and bacteria. Due to their small size and ability to mutate rapidly, viruses pose significant challenges in the development of treatments and vaccines. Despite their small size, viruses play important roles in evolution and the ecosystem, but they can also cause serious diseases in humans, animals, and plants.
Louis Pasteur is known for his groundbreaking work in the germ theory of diseases and the process of fermentation of alcohol. His research demonstrated the relationship between microorganisms and disease, leading to significant advances in medical science. Pasteur's experiments on the spontaneous geRead more
Louis Pasteur is known for his groundbreaking work in the germ theory of diseases and the process of fermentation of alcohol. His research demonstrated the relationship between microorganisms and disease, leading to significant advances in medical science. Pasteur’s experiments on the spontaneous generation theory provided compelling evidence that life cannot arise from non-living matter, which helped establish the germ theory of disease. In addition to his contributions to medicine, Pasteur made significant strides in the field of food and beverage safety. He developed pasteurization, a process that uses heat to kill harmful bacteria in liquids like milk and wine, making them safer for consumption. His work laid the foundation for modern microbiology and improved public health standards worldwide. Pasteur’s legacy extends to the development of vaccines, such as those for rabies and anthrax, saving countless lives.
Carl Linnaeus, also known as Carolus Linnaeus, is widely recognized as the "Father of Taxonomy" due to his revolutionary contributions to the field of biological classification. He established a systematic method for naming and organizing living organisms, known as binomial nomenclature, which involRead more
Carl Linnaeus, also known as Carolus Linnaeus, is widely recognized as the “Father of Taxonomy” due to his revolutionary contributions to the field of biological classification. He established a systematic method for naming and organizing living organisms, known as binomial nomenclature, which involves using a two-part scientific name (genus and species) for each organism.
This system remains in use today and provides a consistent and standardized method for identifying and classifying species worldwide. Linnaeus’s work, particularly his seminal publication Systema Naturae, laid the groundwork for modern taxonomy and greatly influenced the development of biological sciences. His methodical approach to categorizing organisms based on shared characteristics established a foundation for further scientific discoveries and advancements in understanding the natural world.
The branch of botanical science concerned with the separation and combination of living matter is called tissue culture. Tissue culture, also known as plant tissue culture or micropropagation, involves growing plant tissues, cells, or organs in a controlled, sterile environment. This technique allowRead more
The branch of botanical science concerned with the separation and combination of living matter is called tissue culture. Tissue culture, also known as plant tissue culture or micropropagation, involves growing plant tissues, cells, or organs in a controlled, sterile environment. This technique allows scientists to study plant development, genetics, and physiology in detail. Tissue culture is used for the propagation of plants, enabling the rapid production of large numbers of genetically identical plants from a small piece of plant tissue. It is also employed in the conservation of rare and endangered plant species by preserving their genetic material. Additionally, tissue culture plays a significant role in plant breeding, biotechnology, and research on plant diseases. This method has revolutionized horticulture and agriculture by providing a means to produce disease-free and uniform plants efficiently.
Exobiology, also known as astrobiology, is the study of life on outer planets and in space. This interdisciplinary field focuses on the search for extraterrestrial life and the conditions that could support it. Exobiologists investigate how life might arise and evolve in environments beyond Earth, iRead more
Exobiology, also known as astrobiology, is the study of life on outer planets and in space. This interdisciplinary field focuses on the search for extraterrestrial life and the conditions that could support it. Exobiologists investigate how life might arise and evolve in environments beyond Earth, including on planets, moons, and other celestial bodies. They study the potential habitability of these environments by examining factors such as temperature, radiation, and the presence of water and organic compounds. Exobiology combines aspects of astronomy, biology, and chemistry to explore questions about the origin of life, its potential distribution in the universe, and how it may adapt to different conditions. This field also contributes to understanding how life on Earth might respond to changes in its environment and the potential risks and benefits of space exploration.
Agroforestry is planting woody perennial trees on the same land along with agriculture. This land management practice combines agricultural and forestry activities on the same plot of land. Agroforestry systems are designed to be sustainable and provide multiple benefits, including increased biodiveRead more
Agroforestry is planting woody perennial trees on the same land along with agriculture. This land management practice combines agricultural and forestry activities on the same plot of land. Agroforestry systems are designed to be sustainable and provide multiple benefits, including increased biodiversity, improved soil health, and enhanced water retention. By integrating trees and shrubs with crops or livestock, agroforestry can lead to better productivity and resource efficiency. Trees may provide shade, shelter, or additional income sources from fruit or timber, while crops benefit from nutrient cycling and protection from soil erosion. This approach helps in diversifying income sources for farmers and promoting ecological balance. Agroforestry is recognized as a key strategy for sustainable agriculture and rural development, contributing to climate change mitigation and adaptation.
The study of the internal structure of plants is called anatomy. Plant anatomy is the branch of botany that focuses on examining the internal organization and structure of plant tissues and cells. This study provides insights into how plants function, grow, and develop. Plant anatomists investigateRead more
The study of the internal structure of plants is called anatomy. Plant anatomy is the branch of botany that focuses on examining the internal organization and structure of plant tissues and cells. This study provides insights into how plants function, grow, and develop. Plant anatomists investigate various plant structures, including roots, stems, leaves, and reproductive organs, at both the macroscopic and microscopic levels. By understanding the arrangement and function of different plant cells and tissues, researchers can gain knowledge about how plants transport nutrients, photosynthesize, and reproduce. Plant anatomy also aids in identifying species and understanding evolutionary relationships among plants. This field of study is essential for advances in plant breeding, agriculture, and horticulture, as it helps improve crop varieties and supports sustainable practices in plant cultivation and management.
The study related to the cultivation of ornamental trees and shrubs is called arboriculture. Arboriculture involves the cultivation, care, and maintenance of individual trees, shrubs, and other perennial woody plants primarily for aesthetic and functional purposes. Arboriculturists focus on the healRead more
The study related to the cultivation of ornamental trees and shrubs is called arboriculture. Arboriculture involves the cultivation, care, and maintenance of individual trees, shrubs, and other perennial woody plants primarily for aesthetic and functional purposes. Arboriculturists focus on the health and safety of plants in both natural and urban environments, including parks, gardens, and streetscapes. This branch of horticulture emphasizes practices such as pruning, fertilization, pest control, and disease management to enhance the appearance and longevity of trees and shrubs. Arboriculture is important for landscape design, urban planning, and environmental conservation, as it contributes to the creation of green spaces that improve air quality and provide recreational areas for communities. By managing tree and shrub health, arboriculturists play a key role in preserving the beauty and ecological value of natural and built environments.
Root nodules are found in
Root nodules are found in some leguminous plants and also in some other plants. In leguminous plants, such as peas, beans, and lentils, root nodules form a symbiotic relationship with nitrogen-fixing bacteria like Rhizobium. These bacteria convert atmospheric nitrogen into ammonia, which is then useRead more
Root nodules are found in some leguminous plants and also in some other plants. In leguminous plants, such as peas, beans, and lentils, root nodules form a symbiotic relationship with nitrogen-fixing bacteria like Rhizobium. These bacteria convert atmospheric nitrogen into ammonia, which is then used by the plant for growth. This mutualistic relationship enhances soil fertility and supports agricultural productivity. Besides legumes, a few other plants, such as some species of alder and actinorhizal plants, also form root nodules with different types of nitrogen-fixing bacteria like Frankia. These nodules play a similar role in nitrogen fixation, contributing to the nitrogen cycle and improving soil quality. Root nodules are essential for sustainable farming practices and ecosystem health by providing a natural source of nitrogen to plants.
See lessThe bacteria which directly convert atmospheric nitrogen into nitrogenous compounds are called
Nitrogen-fixing bacteria are those that directly convert atmospheric nitrogen into nitrogenous compounds. These bacteria, such as Rhizobium and Azotobacter, establish symbiotic relationships with the roots of certain plants like legumes, enabling them to fix nitrogen from the air into a usable formRead more
Nitrogen-fixing bacteria are those that directly convert atmospheric nitrogen into nitrogenous compounds. These bacteria, such as Rhizobium and Azotobacter, establish symbiotic relationships with the roots of certain plants like legumes, enabling them to fix nitrogen from the air into a usable form like ammonia. This process is vital for plant growth and agricultural productivity, as it provides an essential nutrient for plant development. In addition to symbiotic nitrogen-fixing bacteria, there are also free-living nitrogen-fixing bacteria found in soil and water that contribute to the nitrogen cycle. These bacteria play a critical role in maintaining soil fertility and supporting ecosystems. Their ability to convert nitrogen into compounds that can be assimilated by plants helps sustain food chains and biodiversity. Nitrogen-fixing bacteria are an important part of sustainable agriculture and environmental health.
See lessThe smallest organism among the following is
The smallest organism among the options provided is the virus. Viruses are much smaller than bacteria, mycoplasma, and yeast. They are submicroscopic infectious agents, ranging in size from about 20 to 300 nanometers. Viruses cannot replicate on their own and must infect a host cell to reproduce. ThRead more
The smallest organism among the options provided is the virus. Viruses are much smaller than bacteria, mycoplasma, and yeast. They are submicroscopic infectious agents, ranging in size from about 20 to 300 nanometers. Viruses cannot replicate on their own and must infect a host cell to reproduce. They consist of genetic material (either DNA or RNA) enclosed in a protein coat called a capsid. Some viruses also have an outer lipid envelope. Viruses are known to infect a wide range of hosts, including animals, plants, fungi, and bacteria. Due to their small size and ability to mutate rapidly, viruses pose significant challenges in the development of treatments and vaccines. Despite their small size, viruses play important roles in evolution and the ecosystem, but they can also cause serious diseases in humans, animals, and plants.
See lessPasteur is famous for
Louis Pasteur is known for his groundbreaking work in the germ theory of diseases and the process of fermentation of alcohol. His research demonstrated the relationship between microorganisms and disease, leading to significant advances in medical science. Pasteur's experiments on the spontaneous geRead more
Louis Pasteur is known for his groundbreaking work in the germ theory of diseases and the process of fermentation of alcohol. His research demonstrated the relationship between microorganisms and disease, leading to significant advances in medical science. Pasteur’s experiments on the spontaneous generation theory provided compelling evidence that life cannot arise from non-living matter, which helped establish the germ theory of disease. In addition to his contributions to medicine, Pasteur made significant strides in the field of food and beverage safety. He developed pasteurization, a process that uses heat to kill harmful bacteria in liquids like milk and wine, making them safer for consumption. His work laid the foundation for modern microbiology and improved public health standards worldwide. Pasteur’s legacy extends to the development of vaccines, such as those for rabies and anthrax, saving countless lives.
See lessWho among the following is called the Father of Taxonomy?
Carl Linnaeus, also known as Carolus Linnaeus, is widely recognized as the "Father of Taxonomy" due to his revolutionary contributions to the field of biological classification. He established a systematic method for naming and organizing living organisms, known as binomial nomenclature, which involRead more
Carl Linnaeus, also known as Carolus Linnaeus, is widely recognized as the “Father of Taxonomy” due to his revolutionary contributions to the field of biological classification. He established a systematic method for naming and organizing living organisms, known as binomial nomenclature, which involves using a two-part scientific name (genus and species) for each organism.
This system remains in use today and provides a consistent and standardized method for identifying and classifying species worldwide. Linnaeus’s work, particularly his seminal publication Systema Naturae, laid the groundwork for modern taxonomy and greatly influenced the development of biological sciences. His methodical approach to categorizing organisms based on shared characteristics established a foundation for further scientific discoveries and advancements in understanding the natural world.
See lessThe branch of botanical science concerned with the separation and combination of living matter is called
The branch of botanical science concerned with the separation and combination of living matter is called tissue culture. Tissue culture, also known as plant tissue culture or micropropagation, involves growing plant tissues, cells, or organs in a controlled, sterile environment. This technique allowRead more
The branch of botanical science concerned with the separation and combination of living matter is called tissue culture. Tissue culture, also known as plant tissue culture or micropropagation, involves growing plant tissues, cells, or organs in a controlled, sterile environment. This technique allows scientists to study plant development, genetics, and physiology in detail. Tissue culture is used for the propagation of plants, enabling the rapid production of large numbers of genetically identical plants from a small piece of plant tissue. It is also employed in the conservation of rare and endangered plant species by preserving their genetic material. Additionally, tissue culture plays a significant role in plant breeding, biotechnology, and research on plant diseases. This method has revolutionized horticulture and agriculture by providing a means to produce disease-free and uniform plants efficiently.
See lessWhich of the following is studied in Exo-biology?
Exobiology, also known as astrobiology, is the study of life on outer planets and in space. This interdisciplinary field focuses on the search for extraterrestrial life and the conditions that could support it. Exobiologists investigate how life might arise and evolve in environments beyond Earth, iRead more
Exobiology, also known as astrobiology, is the study of life on outer planets and in space. This interdisciplinary field focuses on the search for extraterrestrial life and the conditions that could support it. Exobiologists investigate how life might arise and evolve in environments beyond Earth, including on planets, moons, and other celestial bodies. They study the potential habitability of these environments by examining factors such as temperature, radiation, and the presence of water and organic compounds. Exobiology combines aspects of astronomy, biology, and chemistry to explore questions about the origin of life, its potential distribution in the universe, and how it may adapt to different conditions. This field also contributes to understanding how life on Earth might respond to changes in its environment and the potential risks and benefits of space exploration.
See lessAgroforestry is
Agroforestry is planting woody perennial trees on the same land along with agriculture. This land management practice combines agricultural and forestry activities on the same plot of land. Agroforestry systems are designed to be sustainable and provide multiple benefits, including increased biodiveRead more
Agroforestry is planting woody perennial trees on the same land along with agriculture. This land management practice combines agricultural and forestry activities on the same plot of land. Agroforestry systems are designed to be sustainable and provide multiple benefits, including increased biodiversity, improved soil health, and enhanced water retention. By integrating trees and shrubs with crops or livestock, agroforestry can lead to better productivity and resource efficiency. Trees may provide shade, shelter, or additional income sources from fruit or timber, while crops benefit from nutrient cycling and protection from soil erosion. This approach helps in diversifying income sources for farmers and promoting ecological balance. Agroforestry is recognized as a key strategy for sustainable agriculture and rural development, contributing to climate change mitigation and adaptation.
See lessThe study of the internal structure of plants is called
The study of the internal structure of plants is called anatomy. Plant anatomy is the branch of botany that focuses on examining the internal organization and structure of plant tissues and cells. This study provides insights into how plants function, grow, and develop. Plant anatomists investigateRead more
The study of the internal structure of plants is called anatomy. Plant anatomy is the branch of botany that focuses on examining the internal organization and structure of plant tissues and cells. This study provides insights into how plants function, grow, and develop. Plant anatomists investigate various plant structures, including roots, stems, leaves, and reproductive organs, at both the macroscopic and microscopic levels. By understanding the arrangement and function of different plant cells and tissues, researchers can gain knowledge about how plants transport nutrients, photosynthesize, and reproduce. Plant anatomy also aids in identifying species and understanding evolutionary relationships among plants. This field of study is essential for advances in plant breeding, agriculture, and horticulture, as it helps improve crop varieties and supports sustainable practices in plant cultivation and management.
See lessThe study related to the cultivation of ornamental trees and shrubs is called
The study related to the cultivation of ornamental trees and shrubs is called arboriculture. Arboriculture involves the cultivation, care, and maintenance of individual trees, shrubs, and other perennial woody plants primarily for aesthetic and functional purposes. Arboriculturists focus on the healRead more
The study related to the cultivation of ornamental trees and shrubs is called arboriculture. Arboriculture involves the cultivation, care, and maintenance of individual trees, shrubs, and other perennial woody plants primarily for aesthetic and functional purposes. Arboriculturists focus on the health and safety of plants in both natural and urban environments, including parks, gardens, and streetscapes. This branch of horticulture emphasizes practices such as pruning, fertilization, pest control, and disease management to enhance the appearance and longevity of trees and shrubs. Arboriculture is important for landscape design, urban planning, and environmental conservation, as it contributes to the creation of green spaces that improve air quality and provide recreational areas for communities. By managing tree and shrub health, arboriculturists play a key role in preserving the beauty and ecological value of natural and built environments.
See less