The Sargasso Sea got its name because of algae. Specifically, it is named after the floating Sargassum algae, which forms large mats on the surface of the sea. These mats provide habitat for various marine species and can stretch over vast areas. The Sargasso Sea is known for its clear blue water anRead more
The Sargasso Sea got its name because of algae. Specifically, it is named after the floating Sargassum algae, which forms large mats on the surface of the sea. These mats provide habitat for various marine species and can stretch over vast areas. The Sargasso Sea is known for its clear blue water and distinct boundaries, surrounded by ocean currents. The presence of Sargassum is one of the defining features of the Sargasso Sea, giving it a unique ecosystem compared to other parts of the Atlantic Ocean. The name “Sargasso” is derived from the Portuguese word for “grapevine,” referring to the round, berry-like structures found on the algae.
Goiter disease can be avoided and treated by eating some seaweeds because they contain an abundant amount of iodine. Iodine is a critical nutrient required for the production of thyroid hormones, which regulate metabolism and other essential bodily functions. A deficiency in iodine can lead to an enRead more
Goiter disease can be avoided and treated by eating some seaweeds because they contain an abundant amount of iodine. Iodine is a critical nutrient required for the production of thyroid hormones, which regulate metabolism and other essential bodily functions. A deficiency in iodine can lead to an enlarged thyroid gland, known as goiter, as the gland tries to compensate for the lack of hormone production. Including iodine-rich foods such as seaweed in the diet helps maintain proper thyroid function and prevents goiter. Seaweeds like kelp, nori, and wakame are especially high in iodine, making them beneficial for individuals at risk of iodine deficiency. It is important, however, to consume iodine in moderation to avoid excessive intake.
Iodine is obtained from Laminaria algae. Laminaria, also known as kelp, is a type of large brown seaweed that grows in underwater forests in temperate and arctic coastal regions. This algae is known for its high iodine content, making it a valuable source of the nutrient. Iodine is essential for thyRead more
Iodine is obtained from Laminaria algae. Laminaria, also known as kelp, is a type of large brown seaweed that grows in underwater forests in temperate and arctic coastal regions. This algae is known for its high iodine content, making it a valuable source of the nutrient. Iodine is essential for thyroid function and is commonly used in medical and nutritional applications. Seaweeds like Laminaria are harvested and processed to extract iodine, which can then be used in supplements, food fortification, and other products. The availability of iodine from Laminaria plays an important role in preventing iodine deficiency disorders, such as goiter, in regions where iodine intake from other sources may be low.
Kelp is obtained from algae. It is a type of large brown algae that forms underwater forests in oceanic coastal regions. Kelp is known for its fast growth and ecological importance in providing habitat and food for marine life. Kelp forests are highly productive and support diverse ecosystems, incluRead more
Kelp is obtained from algae. It is a type of large brown algae that forms underwater forests in oceanic coastal regions. Kelp is known for its fast growth and ecological importance in providing habitat and food for marine life. Kelp forests are highly productive and support diverse ecosystems, including fish, invertebrates, and marine mammals. Kelp is used in various industries, including food, where it is consumed as a nutrient-rich seaweed. It is also used in the production of alginates, which have applications in food processing, pharmaceuticals, and cosmetics. The high iodine content in kelp makes it a valuable source of the nutrient, which is essential for thyroid function and overall health.
Algae is the autotrophic organism among the options provided. Algae are photosynthetic organisms containing chlorophyll, which enables them to convert sunlight into energy through photosynthesis. They utilize carbon dioxide and water to produce glucose and oxygen. In contrast, protozoa are heterotroRead more
Algae is the autotrophic organism among the options provided. Algae are photosynthetic organisms containing chlorophyll, which enables them to convert sunlight into energy through photosynthesis. They utilize carbon dioxide and water to produce glucose and oxygen. In contrast, protozoa are heterotrophic, obtaining nutrients by ingesting organic matter. Fungi, although diverse in their nutritional strategies, are primarily heterotrophic, feeding on decaying organic material or living organisms. They absorb nutrients through their hyphae from their surroundings. Viruses, unlike living organisms, lack metabolic machinery and rely on host cells for replication. They cannot produce energy or synthesize organic molecules independently. Therefore, among the options given, only algae possess the ability to sustain themselves through autotrophic means, making them essential components of aquatic ecosystems and primary producers in many environments.
Option A, Blue green algae, acts as a bio-fertilizer for the rice crop. Blue-green algae, also known as cyanobacteria, establish a symbiotic relationship with rice plants, providing them with fixed atmospheric nitrogen. This process, known as nitrogen fixation, enhances soil fertility by increasingRead more
Option A, Blue green algae, acts as a bio-fertilizer for the rice crop. Blue-green algae, also known as cyanobacteria, establish a symbiotic relationship with rice plants, providing them with fixed atmospheric nitrogen. This process, known as nitrogen fixation, enhances soil fertility by increasing the availability of nitrogen to the rice plants. The nitrogen-fixing ability of blue-green algae reduces the need for synthetic fertilizers, thereby promoting sustainable agricultural practices. Rhizobium species (Option B) typically form symbiotic relationships with leguminous plants, aiding in nitrogen fixation in their root nodules. Mycelium (Option C) refers to the vegetative part of fungi and does not directly act as a bio-fertilizer for rice crops. Azotobacter (Option D) is a free-living nitrogen-fixing bacterium that can enhance soil fertility but is not commonly associated with rice cultivation as blue-green algae are.
Option C, Chlorella, is the unicellular algae used to control the supply of oxygen in space programs. Chlorella's rapid growth rate and high oxygen production make it invaluable for maintaining oxygen levels in closed environments like spacecraft during space missions. Its photosynthetic activity efRead more
Option C, Chlorella, is the unicellular algae used to control the supply of oxygen in space programs. Chlorella’s rapid growth rate and high oxygen production make it invaluable for maintaining oxygen levels in closed environments like spacecraft during space missions. Its photosynthetic activity efficiently converts carbon dioxide into oxygen, ensuring a sustainable oxygen supply for astronauts. Eulothrix (Option A), Spirogyra (Option B), and Oedogonium (Option D) are not typically utilized in space programs for oxygen production.
The red color of the Red Sea is due to the presence of Option B, algae. Trichodesmium erythraeum, a type of cyanobacteria, is primarily responsible for this phenomenon. These organisms contain pigments such as phycoerythrin, which impart a reddish hue to the water when they bloom in large quantitiesRead more
The red color of the Red Sea is due to the presence of Option B, algae. Trichodesmium erythraeum, a type of cyanobacteria, is primarily responsible for this phenomenon. These organisms contain pigments such as phycoerythrin, which impart a reddish hue to the water when they bloom in large quantities. This occurrence is often referred to as a “red tide” or “sea sawdust” and can result in significant changes to the marine ecosystem. While other factors such as mineral sediments and dissolved organic matter can contribute to the sea’s coloration, the predominant cause of the Red Sea’s red coloration is the proliferation of these algae. Moss (Option A), fungus (Option C), and bacteria (Option D) are not typically associated with causing the red coloration observed in the Red Sea.
Agar-agar is obtained from Option C, algae. It is extracted from the cell walls of certain species of red algae, including Gelidium, Gracilaria, and Pterocladia. These algae are harvested, washed, and then processed to extract the agar, which is a gelatinous substance primarily composed of polysacchRead more
Agar-agar is obtained from Option C, algae. It is extracted from the cell walls of certain species of red algae, including Gelidium, Gracilaria, and Pterocladia. These algae are harvested, washed, and then processed to extract the agar, which is a gelatinous substance primarily composed of polysaccharides. Agar-agar has a wide range of applications, including its use as a gelling agent in food preparation, particularly in desserts and confectionery. It is also utilized in microbiology as a solidifying agent for culture media, providing a stable surface for microbial growth. Due to its versatility, agar-agar has become an essential ingredient in various industries, including pharmaceuticals, cosmetics, and biotechnology. Its ability to form a stable gel at relatively low concentrations, along with its lack of flavor and odor, makes it highly desirable for use in numerous applications across different fields.
The cell wall of fungi is primarily composed of Option [D], chitin and hemicellulose. Chitin, a strong polysaccharide, forms the major structural component, providing rigidity and support to fungal cells. Hemicellulose, another polysaccharide, contributes to the strength and flexibility of the cellRead more
The cell wall of fungi is primarily composed of Option [D], chitin and hemicellulose. Chitin, a strong polysaccharide, forms the major structural component, providing rigidity and support to fungal cells. Hemicellulose, another polysaccharide, contributes to the strength and flexibility of the cell wall. This unique composition distinguishes fungal cell walls from those of other organisms. Unlike plant cell walls, which contain cellulose, and bacterial cell walls, which contain peptidoglycan or other substances, fungal cell walls are characterized by the presence of chitin. This structural framework plays crucial roles in maintaining cell shape, protecting against environmental stresses, and facilitating nutrient uptake. Additionally, the composition of fungal cell walls influences interactions with other organisms and environmental factors, contributing to their ecological roles and impact on various ecosystems. Overall, chitin and hemicellulose are key components that define the distinctive architecture and function of fungal cell walls.
Sargasso Sea got its name
The Sargasso Sea got its name because of algae. Specifically, it is named after the floating Sargassum algae, which forms large mats on the surface of the sea. These mats provide habitat for various marine species and can stretch over vast areas. The Sargasso Sea is known for its clear blue water anRead more
The Sargasso Sea got its name because of algae. Specifically, it is named after the floating Sargassum algae, which forms large mats on the surface of the sea. These mats provide habitat for various marine species and can stretch over vast areas. The Sargasso Sea is known for its clear blue water and distinct boundaries, surrounded by ocean currents. The presence of Sargassum is one of the defining features of the Sargasso Sea, giving it a unique ecosystem compared to other parts of the Atlantic Ocean. The name “Sargasso” is derived from the Portuguese word for “grapevine,” referring to the round, berry-like structures found on the algae.
See lessGoiter disease can be avoided and it is treated by eating some sea weeds, because they contain abundant amount of
Goiter disease can be avoided and treated by eating some seaweeds because they contain an abundant amount of iodine. Iodine is a critical nutrient required for the production of thyroid hormones, which regulate metabolism and other essential bodily functions. A deficiency in iodine can lead to an enRead more
Goiter disease can be avoided and treated by eating some seaweeds because they contain an abundant amount of iodine. Iodine is a critical nutrient required for the production of thyroid hormones, which regulate metabolism and other essential bodily functions. A deficiency in iodine can lead to an enlarged thyroid gland, known as goiter, as the gland tries to compensate for the lack of hormone production. Including iodine-rich foods such as seaweed in the diet helps maintain proper thyroid function and prevents goiter. Seaweeds like kelp, nori, and wakame are especially high in iodine, making them beneficial for individuals at risk of iodine deficiency. It is important, however, to consume iodine in moderation to avoid excessive intake.
See lessFrom which algae is iodine obtained?
Iodine is obtained from Laminaria algae. Laminaria, also known as kelp, is a type of large brown seaweed that grows in underwater forests in temperate and arctic coastal regions. This algae is known for its high iodine content, making it a valuable source of the nutrient. Iodine is essential for thyRead more
Iodine is obtained from Laminaria algae. Laminaria, also known as kelp, is a type of large brown seaweed that grows in underwater forests in temperate and arctic coastal regions. This algae is known for its high iodine content, making it a valuable source of the nutrient. Iodine is essential for thyroid function and is commonly used in medical and nutritional applications. Seaweeds like Laminaria are harvested and processed to extract iodine, which can then be used in supplements, food fortification, and other products. The availability of iodine from Laminaria plays an important role in preventing iodine deficiency disorders, such as goiter, in regions where iodine intake from other sources may be low.
See lessKelp is obtained from
Kelp is obtained from algae. It is a type of large brown algae that forms underwater forests in oceanic coastal regions. Kelp is known for its fast growth and ecological importance in providing habitat and food for marine life. Kelp forests are highly productive and support diverse ecosystems, incluRead more
Kelp is obtained from algae. It is a type of large brown algae that forms underwater forests in oceanic coastal regions. Kelp is known for its fast growth and ecological importance in providing habitat and food for marine life. Kelp forests are highly productive and support diverse ecosystems, including fish, invertebrates, and marine mammals. Kelp is used in various industries, including food, where it is consumed as a nutrient-rich seaweed. It is also used in the production of alginates, which have applications in food processing, pharmaceuticals, and cosmetics. The high iodine content in kelp makes it a valuable source of the nutrient, which is essential for thyroid function and overall health.
See lessWhich of the following is autotrophic?
Algae is the autotrophic organism among the options provided. Algae are photosynthetic organisms containing chlorophyll, which enables them to convert sunlight into energy through photosynthesis. They utilize carbon dioxide and water to produce glucose and oxygen. In contrast, protozoa are heterotroRead more
Algae is the autotrophic organism among the options provided. Algae are photosynthetic organisms containing chlorophyll, which enables them to convert sunlight into energy through photosynthesis. They utilize carbon dioxide and water to produce glucose and oxygen. In contrast, protozoa are heterotrophic, obtaining nutrients by ingesting organic matter. Fungi, although diverse in their nutritional strategies, are primarily heterotrophic, feeding on decaying organic material or living organisms. They absorb nutrients through their hyphae from their surroundings. Viruses, unlike living organisms, lack metabolic machinery and rely on host cells for replication. They cannot produce energy or synthesize organic molecules independently. Therefore, among the options given, only algae possess the ability to sustain themselves through autotrophic means, making them essential components of aquatic ecosystems and primary producers in many environments.
See lessWhich one of the following organisms acts as bio-fertilizer for rice crop?
Option A, Blue green algae, acts as a bio-fertilizer for the rice crop. Blue-green algae, also known as cyanobacteria, establish a symbiotic relationship with rice plants, providing them with fixed atmospheric nitrogen. This process, known as nitrogen fixation, enhances soil fertility by increasingRead more
Option A, Blue green algae, acts as a bio-fertilizer for the rice crop. Blue-green algae, also known as cyanobacteria, establish a symbiotic relationship with rice plants, providing them with fixed atmospheric nitrogen. This process, known as nitrogen fixation, enhances soil fertility by increasing the availability of nitrogen to the rice plants. The nitrogen-fixing ability of blue-green algae reduces the need for synthetic fertilizers, thereby promoting sustainable agricultural practices. Rhizobium species (Option B) typically form symbiotic relationships with leguminous plants, aiding in nitrogen fixation in their root nodules. Mycelium (Option C) refers to the vegetative part of fungi and does not directly act as a bio-fertilizer for rice crops. Azotobacter (Option D) is a free-living nitrogen-fixing bacterium that can enhance soil fertility but is not commonly associated with rice cultivation as blue-green algae are.
See lessThe name of the unicellular algae used to control the supply of oxygen in space programs is
Option C, Chlorella, is the unicellular algae used to control the supply of oxygen in space programs. Chlorella's rapid growth rate and high oxygen production make it invaluable for maintaining oxygen levels in closed environments like spacecraft during space missions. Its photosynthetic activity efRead more
Option C, Chlorella, is the unicellular algae used to control the supply of oxygen in space programs. Chlorella’s rapid growth rate and high oxygen production make it invaluable for maintaining oxygen levels in closed environments like spacecraft during space missions. Its photosynthetic activity efficiently converts carbon dioxide into oxygen, ensuring a sustainable oxygen supply for astronauts. Eulothrix (Option A), Spirogyra (Option B), and Oedogonium (Option D) are not typically utilized in space programs for oxygen production.
See lessThe red color of the Red Sea is due to the presence of?
The red color of the Red Sea is due to the presence of Option B, algae. Trichodesmium erythraeum, a type of cyanobacteria, is primarily responsible for this phenomenon. These organisms contain pigments such as phycoerythrin, which impart a reddish hue to the water when they bloom in large quantitiesRead more
The red color of the Red Sea is due to the presence of Option B, algae. Trichodesmium erythraeum, a type of cyanobacteria, is primarily responsible for this phenomenon. These organisms contain pigments such as phycoerythrin, which impart a reddish hue to the water when they bloom in large quantities. This occurrence is often referred to as a “red tide” or “sea sawdust” and can result in significant changes to the marine ecosystem. While other factors such as mineral sediments and dissolved organic matter can contribute to the sea’s coloration, the predominant cause of the Red Sea’s red coloration is the proliferation of these algae. Moss (Option A), fungus (Option C), and bacteria (Option D) are not typically associated with causing the red coloration observed in the Red Sea.
See lessWhere is agar-agar obtained from?
Agar-agar is obtained from Option C, algae. It is extracted from the cell walls of certain species of red algae, including Gelidium, Gracilaria, and Pterocladia. These algae are harvested, washed, and then processed to extract the agar, which is a gelatinous substance primarily composed of polysacchRead more
Agar-agar is obtained from Option C, algae. It is extracted from the cell walls of certain species of red algae, including Gelidium, Gracilaria, and Pterocladia. These algae are harvested, washed, and then processed to extract the agar, which is a gelatinous substance primarily composed of polysaccharides. Agar-agar has a wide range of applications, including its use as a gelling agent in food preparation, particularly in desserts and confectionery. It is also utilized in microbiology as a solidifying agent for culture media, providing a stable surface for microbial growth. Due to its versatility, agar-agar has become an essential ingredient in various industries, including pharmaceuticals, cosmetics, and biotechnology. Its ability to form a stable gel at relatively low concentrations, along with its lack of flavor and odor, makes it highly desirable for use in numerous applications across different fields.
See lessWhat is the cell wall of fungi made of?
The cell wall of fungi is primarily composed of Option [D], chitin and hemicellulose. Chitin, a strong polysaccharide, forms the major structural component, providing rigidity and support to fungal cells. Hemicellulose, another polysaccharide, contributes to the strength and flexibility of the cellRead more
The cell wall of fungi is primarily composed of Option [D], chitin and hemicellulose. Chitin, a strong polysaccharide, forms the major structural component, providing rigidity and support to fungal cells. Hemicellulose, another polysaccharide, contributes to the strength and flexibility of the cell wall. This unique composition distinguishes fungal cell walls from those of other organisms. Unlike plant cell walls, which contain cellulose, and bacterial cell walls, which contain peptidoglycan or other substances, fungal cell walls are characterized by the presence of chitin. This structural framework plays crucial roles in maintaining cell shape, protecting against environmental stresses, and facilitating nutrient uptake. Additionally, the composition of fungal cell walls influences interactions with other organisms and environmental factors, contributing to their ecological roles and impact on various ecosystems. Overall, chitin and hemicellulose are key components that define the distinctive architecture and function of fungal cell walls.
See less