Apologia Biology Quiz 3

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  • 1/44 Questions

    Members of subkingdom Algae, these tiny organisms float in the water:

    • Amoebae
    • Plankton
    • Paramecia
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About This Quiz

Apologia Biology Quiz 3 explores the role and characteristics of algae and plankton in marine ecosystems. It assesses knowledge on algae's reproduction, uses in food products, and the types of plankton, emphasizing their ecological importance, especially in oxygen production.

Apologia Biology Quiz 3 - Quiz

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  • 2. 

    In this type of symbiotic relationship, one species benefits while the other is harmed.

    • Mutualism

    • Commensalism

    • Parasitism

    Correct Answer
    A. Parasitism
    Explanation
    Parasitism is a type of symbiotic relationship where one species, the parasite, benefits while the other species, the host, is harmed. The parasite relies on the host for resources and may cause damage or disease to the host in the process. This relationship is characterized by the parasite benefiting at the expense of the host, making it the correct answer in this scenario.

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  • 3. 

    Amoeba have two of these types of organelles; one for storing food and one to regulate water:

    • Endoplasm

    • Ectoplasm

    • Vacuole

    Correct Answer
    A. Vacuole
    Explanation
    Amoeba have two types of organelles, one for storing food and one for regulating water. The organelle responsible for storing food is called a vacuole. Vacuoles are membrane-bound sacs that store various substances, including food particles. They help in the digestion and breakdown of food for the amoeba's nourishment. Additionally, vacuoles also regulate the water balance within the amoeba by controlling the movement of water molecules in and out of the cell. Therefore, vacuoles serve both as a storage organelle for food and as a regulator of water in amoeba.

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  • 4. 

    This is a relationship between two or more organisms of different species where all benefit from the association:

    • Mutualism

    • Commensalism

    • Parasitism

    Correct Answer
    A. Mutualism
    Explanation
    Mutualism is a relationship between two or more organisms of different species where all benefit from the association. In this type of relationship, both organisms rely on each other for resources, protection, or other advantages. They work together in a mutually beneficial way, enhancing their chances of survival and reproduction. Unlike commensalism, where one organism benefits and the other is unaffected, and parasitism, where one organism benefits at the expense of the other, mutualism represents a cooperative interaction where all parties involved gain advantages.

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  • 5. 

    This is a relationship between two organisms of different species where one benefits and the other is neither harmed nor benefitted.

    • Mutualism

    • Commensalism

    • Parasitism

    Correct Answer
    A. Commensalism
    Explanation
    Commensalism is the correct answer because it describes a relationship between two organisms of different species where one organism benefits while the other is neither harmed nor benefited. In commensalism, one organism benefits from the relationship without causing any harm or providing any benefit to the other organism. This type of relationship is often seen in nature, where one organism may use another organism for transportation, shelter, or food without affecting the other organism in any significant way.

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  • 6. 

    At some point in its life, an organism from phylum Sporozoa forms spores.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Organisms from phylum Sporozoa do indeed form spores at some point in their life cycle. Sporozoa is a phylum of parasitic protozoans that reproduce by forming spores, which are specialized cells that can survive in harsh conditions and facilitate the transmission of the organism to a new host. This characteristic is unique to Sporozoa and distinguishes them from other phyla. Therefore, the statement "At some point in its life, an organism from phylum Sporozoa forms spores" is true.

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  • 7. 

    Members of phylum ciliophora use hair-like projections to move around. They are known as:

    • Sarcodines

    • Ciliates

    • Flagellates

    Correct Answer
    A. Ciliates
    Explanation
    Ciliates are members of the phylum Ciliophora and they use hair-like projections called cilia to move around. Cilia are small, hair-like structures that cover the surface of the ciliates and beat in coordinated waves, allowing them to move through their environment. This movement is often described as a smooth, gliding motion. Therefore, ciliates are the correct answer in this case.

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  • 8. 

    The light sensitive region of the euglena is called the:

    • Eyespot

    • Flagellum

    • Chloroplast

    Correct Answer
    A. Eyespot
    Explanation
    The light sensitive region of the euglena is called the eyespot. The eyespot is a pigmented area that contains light-sensitive photoreceptor cells. It helps the euglena detect light and move towards it, allowing the organism to orient itself in its environment. The eyespot is not the flagellum, which is a whip-like structure responsible for the euglena's movement. It is also not the chloroplast, which is responsible for photosynthesis in the euglena.

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  • 9. 

    This is a relationship between two or more species where at least one benefits:

    • Conjugation

    • Photosynthesis

    • Symbiosis

    Correct Answer
    A. Symbiosis
    Explanation
    Symbiosis refers to a relationship between two or more species where at least one benefits. In this type of relationship, the organisms involved can either live together or depend on each other for survival. It can take various forms, such as mutualism, where both species benefit, or parasitism, where one species benefits at the expense of the other. Symbiosis is a fundamental concept in ecology and plays a crucial role in maintaining the balance of ecosystems.

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  • 10. 

    A paramecium feeds by sweeping food into itself through this cilia-lined feature. It is also used to exchange DNA in conjugation.

    • Macronucleus

    • Gullet

    • Oral groove

    Correct Answer
    A. Oral groove
    Explanation
    The correct answer is oral groove. The oral groove is a cilia-lined feature in a paramecium that is used for feeding. It helps the paramecium to sweep food particles into itself. Additionally, the oral groove is also involved in the process of conjugation, where the paramecium exchanges DNA with another paramecium.

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  • 11. 

    Protozoa in phylum Sporozoa have reproductive cells with a hard, protective coating, called:

    • Capsules

    • Spores

    • Cilia

    Correct Answer
    A. Spores
    Explanation
    Protozoa in phylum Sporozoa have reproductive cells with a hard, protective coating called spores. Spores are specialized cells that are resistant to harsh environmental conditions and allow the protozoa to survive in unfavorable conditions. These spores can be dispersed and can remain dormant until they encounter a suitable environment for growth and reproduction. The protective coating of spores helps in preventing damage to the reproductive cells and ensures the survival of the protozoa.

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  • 12. 

    Members of this phylum are called "green algae," because they contain chlorophyl, which is green. The cell walls are made of cellulose, a sugary substance.

    • Pyrrophyta

    • Chrysophyta

    • Chlorophyta

    Correct Answer
    A. Chlorophyta
    Explanation
    Chlorophyta is the correct answer because this phylum is commonly known as "green algae" due to their green color caused by the presence of chlorophyll. Additionally, the cell walls of organisms in this phylum are composed of cellulose, a type of sugar.

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  • 13. 

    The cell walls of this type of algae contain silicon dioxide, the main component of glass. This protects them long after they die.

    • Spirogyra

    • Filaments

    • Diatoms

    Correct Answer
    A. Diatoms
    Explanation
    Diatoms have cell walls made of silicon dioxide, which is the main component of glass. This characteristic allows their cell walls to remain intact even after they die, providing long-lasting protection. This is not the case for spirogyra or filaments, as their cell walls do not contain silicon dioxide.

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  • 14. 

    Members of phylum Mastigophora have a "tail" which they use to move around. They are also called:

    • Ciliates

    • Flagellates

    • Pellicles

    Correct Answer
    A. Flagellates
    Explanation
    Members of phylum Mastigophora have a "tail" which they use to move around. This characteristic is specific to flagellates. Ciliates, on the other hand, move using hair-like structures called cilia, and pellicles refer to a tough outer covering found in some protozoa. Therefore, the correct term to describe members of phylum Mastigophora is flagellates.

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  • 15. 

    The body of a plant-like organism that is not divided into leaves, roots, or stems is called the:

    • Thallus

    • Bloom

    • Cellulose

    Correct Answer
    A. Thallus
    Explanation
    A plant-like organism that lacks distinct leaves, roots, or stems is referred to as a thallus. The thallus is a simple and undifferentiated body structure that is characteristic of certain algae, fungi, and lichens. It functions as the main organ of nutrition and reproduction for these organisms, performing various tasks such as photosynthesis and nutrient absorption. The term "thallus" is used to describe the body of such organisms that do not possess the typical plant structures.

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  • 16. 

    The phyla of kingdom Protista are distinguished from one another based on:

    • Size

    • What they eat

    • How they move

    Correct Answer
    A. How they move
    Explanation
    The phyla of kingdom Protista are distinguished from one another based on how they move. This means that different phyla within the kingdom Protista have different methods of locomotion. Some may have flagella or cilia to propel themselves, while others may use pseudopodia or amoeboid movement. By studying the movement characteristics of different Protista phyla, scientists can classify and differentiate them from one another.

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  • 17. 

    Two paramecia engage in conjugation, exchanging DNA with each other. Afterwards, the two paramecia immediate reproduce asexually, each making a new paramecium. Their offspring will be exact duplicates of their parents prior to conjugation- true or false?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False. During conjugation, the two paramecia exchange genetic material, resulting in a combination of DNA from both parents. As a result, their offspring will not be exact duplicates of their parents prior to conjugation.

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  • 18. 

    Organisms from subkingdom Algae are mostly:

    • Autotrophic

    • Hetertrophic

    Correct Answer
    A. Autotrophic
    Explanation
    Organisms from the subkingdom Algae are mostly autotrophic. This means that they are capable of producing their own food through photosynthesis, using sunlight and carbon dioxide. Algae are known for their ability to convert sunlight into energy, and they play a crucial role in the aquatic ecosystem as primary producers. They are responsible for producing a significant amount of the Earth's oxygen and are a vital food source for many aquatic organisms. While some species of algae may be heterotrophic, the majority of organisms in this subkingdom are autotrophic.

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  • 19. 

    Genus Plasmodium lives inside a mosquito. When it bites an organism, it transmits spores which then multiply within the organism, causing a disease called malaria. To what phylum does the plasmodium belong?

    • Sarcodine

    • Ciliophora

    • Sporozoa

    Correct Answer
    A. Sporozoa
    Explanation
    Plasmodium belongs to the phylum Sporozoa because it is a parasitic organism that reproduces through spores. It lives inside a mosquito and when the mosquito bites an organism, it transmits the spores which then multiply within the organism, causing malaria.

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  • 20. 

    Euglenas can obtain food:

    • Autotrophically

    • Heterotrophically

    • Either autotrophically or heterotrophically

    Correct Answer
    A. Either autotrophically or heterotrophically
    Explanation
    Euglenas have the ability to obtain food either autotrophically or heterotrophically. Autotrophically means they can produce their own food through photosynthesis, using sunlight and carbon dioxide. Heterotrophically means they can obtain food by consuming other organisms or organic matter. Therefore, Euglenas have the flexibility to obtain food in different ways depending on the availability of resources in their environment.

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  • 21. 

    Plankton which are small animals or protozoa are called ______.

    Correct Answer
    zooplankton
    Explanation
    Plankton refers to a diverse group of organisms that drift in water bodies. They can be broadly categorized into two main types: phytoplankton and zooplankton. Phytoplankton are tiny, photosynthetic organisms, while zooplankton are small animals or protozoa that feed on phytoplankton or other zooplankton. Therefore, the correct answer is zooplankton, as it accurately describes the category of plankton consisting of small animals or protozoa.

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  • 22. 

    Certain species of these organisms frequently bloom, turning water red in a "red tide" which is deadly to most marine life and humans. They get their name becuase most species have two flagella:

    • Duoflagellate

    • Dinoflagellate

    • Biflagellate

    Correct Answer
    A. Dinoflagellate
    Explanation
    Dinoflagellates are a type of organism that frequently bloom, causing a "red tide" phenomenon. These blooms can be harmful to marine life and humans. The name "dinoflagellate" comes from the fact that most species of these organisms have two flagella, which are whip-like structures that help with movement.

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  • 23. 

    Cell walls of members of phylum Phaeophyta contain this acid, extracted from brown algae, which thickens foods like ice cream, pudding, salad dressing, and jelly beans.

    • Algin

    • Algae

    • Kelp

    Correct Answer
    A. Algin
    Explanation
    Algin is a type of acid that is extracted from brown algae, which are members of the phylum Phaeophyta. This acid is known for its ability to thicken foods like ice cream, pudding, salad dressing, and jelly beans. Therefore, it is a correct answer to the question.

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  • 24. 

    This phylum contains organisms which must have two nuclei.

    • Ciliophora

    • Sporozoa

    • Sarcodina

    Correct Answer
    A. Ciliophora
    Explanation
    Ciliophora is the correct answer because it is a phylum that contains organisms known as ciliates, which are characterized by the presence of cilia. Ciliates have two nuclei, a large macronucleus that controls cell functions and a smaller micronucleus involved in reproduction. The presence of two nuclei is a unique feature of ciliates and distinguishes them from other organisms in the given options, such as Sporozoa and Sarcodina. Sporozoa are parasitic protozoa that typically have a single nucleus, while Sarcodina are protozoa that use pseudopodia for movement and also have a single nucleus.

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  • 25. 

    Plankton that are photosynthetic, mainly algae, are called _____.

    Correct Answer
    phytoplankton
    Explanation
    Photosynthetic plankton, mainly algae, are referred to as phytoplankton. Phytoplankton are microscopic organisms that use sunlight to convert carbon dioxide and nutrients into organic matter through the process of photosynthesis. They are the primary producers in aquatic ecosystems and form the base of the food chain, providing energy and nutrients for other organisms. Phytoplankton play a crucial role in the global carbon cycle and are essential for maintaining the health and balance of marine and freshwater environments.

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  • 26. 

    This type of plankton continuously replenishes the earth's supply of oxygen.

    • Zooplankton

    • Phytoplankton

    • Aeroplankton

    Correct Answer
    A. Phytoplankton
    Explanation
    Phytoplankton is the correct answer because it is a type of plankton that performs photosynthesis, releasing oxygen into the atmosphere as a byproduct. This continuous process helps replenish the earth's oxygen supply. Zooplankton refers to small animals that feed on phytoplankton, while aeroplankton refers to organisms that float or fly in the air.

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  • 27. 

    The kingdome made up of microscopic eukaryotic organisms is called ______.

    Correct Answer
    Protista
    Explanation
    Protista is the correct answer because it refers to a kingdom that consists of microscopic eukaryotic organisms. This kingdom includes a wide range of organisms such as algae, protozoa, and slime molds. These organisms are characterized by having a nucleus and other membrane-bound organelles within their cells. The term "Protista" is used to categorize these diverse organisms that do not fit into the other kingdoms of plants, animals, or fungi.

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  • 28. 

    A hard, protective coating formed by organisms in phylum Sarcodina:

    • Cyst

    • Spore

    • Endospore

    Correct Answer
    A. Cyst
    Explanation
    A cyst is a hard, protective coating formed by organisms in the phylum Sarcodina. This coating helps to protect the organism from harsh environmental conditions and serves as a form of dormancy. It allows the organism to survive in unfavorable conditions until more favorable conditions arise, at which point the cyst can break open and the organism can resume its normal activities.

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  • 29. 

    Some members of this subkingdom are used to thicken ice cream, sauces, and dressings.

    • Algae

    • Protozoa

    • Sporozoa

    Correct Answer
    A. Algae
    Explanation
    Algae is the correct answer because it is a subkingdom that includes various types of organisms such as seaweed and phytoplankton. Some species of algae, like carrageenan and agar, are commonly used as thickening agents in food products like ice cream, sauces, and dressings. These algae-derived substances help to improve the texture and consistency of these foods.

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  • 30. 

    Algae reproduce in what way?

    • Asexual

    • Sexual

    • Both asexual and sexual

    Correct Answer
    A. Both asexual and sexual
    Explanation
    Algae reproduce through both asexual and sexual means. Asexual reproduction in algae occurs through various methods such as cell division, fragmentation, and spore formation. This allows algae to rapidly multiply and colonize new areas. On the other hand, sexual reproduction involves the fusion of gametes from different algae individuals, resulting in genetic variation and increased adaptability. This dual reproductive strategy enables algae to thrive in diverse environments and ensures their survival and propagation.

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  • 31. 

    Organisms of this phylum have a psudopod (false foot) for moving around or engulfing food.

    • Sarcodina

    • Mastigophora

    • Ciliophora

    Correct Answer
    A. Sarcodina
    Explanation
    Sarcodina is the correct answer because organisms of this phylum, such as amoebas, have a pseudopod or false foot that they use for both locomotion and engulfing food. The pseudopod extends from the cell membrane and allows the organism to change its shape and move in a flowing manner. This adaptation is essential for their survival and is a defining characteristic of the phylum Sarcodina.

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  • 32. 

    A reproductive cell with a hard, protective coating formed by organisms in phylum sporozoa:

    • Cyst

    • Spore

    • Endospore

    Correct Answer
    A. Spore
    Explanation
    A reproductive cell with a hard, protective coating formed by organisms in phylum sporozoa is called a spore. Spores are produced by sporozoans as a means of reproduction and survival. These cells have a tough outer covering that helps protect them from harsh environmental conditions. Spores are capable of surviving in unfavorable conditions and can remain dormant until conditions become favorable for their growth and development.

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  • 33. 

    This ciliate lives in fresh water, requires a large amount of energy to live, and has a macronucleus to control metabolism:

    • Amoeba

    • Euglena

    • Paramecium

    Correct Answer
    A. Paramecium
    Explanation
    Paramecium is the correct answer because it is a ciliate that lives in fresh water. It requires a large amount of energy to live, which is obtained through feeding on bacteria and other small organisms. Paramecium also has a macronucleus, which is responsible for controlling its metabolism and other cellular functions.

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  • 34. 

    The generic term for the organisms responsible for most of the photosynthesis that occurs on earth is ___.

    Correct Answer
    diatoms
    diatom
    Explanation
    The correct answer for the given question is "diatoms" or "diatom". Diatoms are a type of single-celled algae that are responsible for a significant portion of the photosynthesis that occurs on Earth. They are found in various aquatic environments and are known for their unique silica cell walls. Diatoms play a crucial role in the carbon cycle and are an important source of oxygen production in the planet's ecosystems.

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  • 35. 

    What is the crumbly, abrasive substance called when many dead diatoms clump together?

    Correct Answer
    diatomaceous earth
    Explanation
    Diatomaceous earth is a crumbly, abrasive substance formed when many dead diatoms clump together. Diatoms are single-celled algae that have hard shells made of silica. When these diatoms die, their shells accumulate over time and form diatomaceous earth. This substance is known for its abrasive properties, making it useful in various applications such as filtration, pest control, and polishing.

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  • 36. 

    Check the two phyla from kingdom Protista that contain multicellular organisms.

    • Mastigophora

    • Sarcodina

    • Chlorophyta

    • Chrysophyta

    • Rhodophyta

    • Sporozoa

    • Pyyrophyta

    • Ciliophora

    • Phaeophyta

    Correct Answer(s)
    A. Rhodophyta
    A. Phaeophyta
    Explanation
    The correct answer is Rhodophyta and Phaeophyta because these two phyla from the kingdom Protista contain multicellular organisms. Rhodophyta refers to red algae, which are primarily multicellular and have complex life cycles. Phaeophyta refers to brown algae, which are also multicellular and can reach large sizes, such as kelp. Both of these phyla have specialized structures and adaptations that allow them to thrive in marine environments.

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  • 37. 

    Organisms from subkingdom Protozoa are mostly:

    • Autotrophic

    • Heterotrophic

    Correct Answer
    A. Heterotrophic
    Explanation
    Organisms from subkingdom Protozoa are mostly heterotrophic, meaning they obtain their nutrition by consuming organic matter from their environment. This is supported by the fact that many protozoans are classified as consumers, feeding on bacteria, algae, other protozoans, or even small particles of organic debris. While there are some autotrophic protozoans that can produce their own food through photosynthesis, they are relatively rare compared to the heterotrophic ones.

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  • 38. 

    This phylum contains organisms that are used as an abrasive in toothpaste.

    • Mastigophora

    • Chrysophyta

    • Phaeophyta

    Correct Answer
    A. Chrysophyta
    Explanation
    Chrysophyta is the correct answer because it is a phylum that contains organisms known as diatoms, which are commonly used as an abrasive in toothpaste. Diatoms have a hard, silica-based cell wall that can effectively scrub away plaque and stains on teeth. Mastigophora is a phylum that includes organisms with flagella, such as certain protozoa, and Phaeophyta is a phylum that includes brown algae. Neither of these phyla are known for being used as an abrasive in toothpaste.

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  • 39. 

    This phylum contains an organism which has a chemical which can be used to thicken many food products.

    • Rhodophyta

    • Pyrrophyta

    • Phaeotphyta

    Correct Answer
    A. Phaeotphyta
    Explanation
    Phaeotphyta is the correct answer because this phylum includes organisms that produce a chemical called algin, which is commonly used as a thickening agent in various food products.

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  • 40. 

    Check the pathogenic organisms from kingdom Protista:

    • Amoeba proteus

    • Entamoeba gingivalis

    • Entamoeba coli

    • Entamoeba histolytica

    • Genus Trypanosoma

    • Genus Trichonympha

    • Balantidium coli

    • Genus Plasmodium

    • Toxoplasma gondii

    • Gymnodinium brevis

    • Corallina officinalis

    Correct Answer(s)
    A. Entamoeba histolytica
    A. Genus Trypanosoma
    A. Balantidium coli
    A. Genus Plasmodium
    A. Toxoplasma gondii
    Explanation
    The question asks for pathogenic organisms from the kingdom Protista. Among the given options, Entamoeba histolytica, genus Trypanosoma, Balantidium coli, genus Plasmodium, and Toxoplasma gondii are all pathogenic organisms. These organisms are known to cause diseases in humans and other animals.

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  • 41. 

    What are the two subkingdoms of kingdom Protista?

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