Protists

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What is the primary characteristic that distinguishes eukaryotic micro-organisms from prokaryotic micro-organisms?

The ability to photosynthesize

The presence of cell walls

The ability to form symbiotic relationships

The presence of membrane-bound organelles (correct)

What is the primary difference between yeast and multicellular fungi?

The number of cells (correct)

The number of cell walls

The type of energy production

The presence of chlorophyll

Which of the following is an example of a protozoan?

Seaweed

Amoeba (correct)

Bacterium

Mushroom

What is the term for eukaryotic micro-organisms that are mostly unicellular?

Protists Signup and view all the answers

Which of the following is NOT a characteristic of protists?

They have cell walls Signup and view all the answers

What is the term for the domain that includes protists and fungi?

Domain Eukarya Signup and view all the answers

Which type of protist is characterized by the presence of chlorophyll and a cell wall?

Algae Signup and view all the answers

What is the mode of nutrition in protists that contain chloroplasts and perform photosynthesis?

Photoautotrophs Signup and view all the answers

Which of the following supergroups of Eukarya includes the kingdoms of Animals, Plants, and Fungi?

Unikonts Signup and view all the answers

What is the mode of reproduction in most protists?

Either asexual or sexual reproduction Signup and view all the answers

Which of the following protist groups is characterized by the presence of cilia or flagella for motility?

Protozoa Signup and view all the answers

What is the characteristic of some protist species that allows them to form multicellular colonies?

Capacity to form multicellular colonies Signup and view all the answers

What is the characteristic feature of the apex of Apicomplexans?

Specialized for penetrating host cells and tissues Signup and view all the answers

Which of the following is NOT a route of transmission for Toxoplasma gondii?

Mosquito bite Signup and view all the answers

What is the result of Natural selection on the thalassaemia allele carriers in areas with high prevalence of malaria?

Selective survival of the thalassaemia allele carriers Signup and view all the answers

What is the life cycle of Apicomplexans dependent on?

Two or more different host species Signup and view all the answers

What is the result of Plasmodium malariae infection in Red Blood Cells?

Haemoglobin digestion Signup and view all the answers

What is the approximate number of deaths per year caused by malaria?

900,000 Signup and view all the answers

What is responsible for the red color of red algae?

Phycoerythrin Signup and view all the answers

Which group of organisms includes slime molds and gymnamoebas?

Amoebozoans Signup and view all the answers

What is the common name of the green alga Ulva?

Sea lettuce Signup and view all the answers

Which group of organisms includes land plants and green algae?

Archaeplastids Signup and view all the answers

What is the name of the protist group that includes the species Bonnemaisonia hamifera?

Red algae Signup and view all the answers

What is the primary function of cilia in ciliates?

Motility Signup and view all the answers

Which of the following characteristics is common to both dinoflagellates and diatoms?

Presence of flagella Signup and view all the answers

Which group of protists includes water molds and their relatives?

Oomycetes Signup and view all the answers

What is the primary function of pseudopodia in Rhizaria?

Motility and phagocytosis Signup and view all the answers

Which of the following protists is characterized by the presence of smooth or hairy flagella?

Stramenopiles Signup and view all the answers

Which of the following protists is an example of a parasitic oomycete?

Phytophthora infestans Signup and view all the answers

What is a characteristic of protozoa?

Not having a cell wall or chlorophyll Signup and view all the answers

What is a common feature of eukaryotic micro-organisms?

Having a true nucleus Signup and view all the answers

What type of fungi is characterized by being unicellular?

Yeasts Signup and view all the answers

What is a characteristic of protists that are pathogenic?

Being eukaryotic parasites Signup and view all the answers

What is a category of protists that includes seaweeds?

Algae Signup and view all the answers

What is the kingdom that includes protists and fungi?

Eukarya Signup and view all the answers

What is a characteristic of multicellular fungi?

Having a cell wall and being multicellular Signup and view all the answers

What is the term for eukaryotic micro-organisms that are mostly multicellular?

Macroorganisms Signup and view all the answers

What is a characteristic of diplomonad parasites?

They have modified mitochondria Signup and view all the answers

Which of the following parasites is transmitted through food and causes gastroenteritis?

Giardia intestinalis Signup and view all the answers

What is a characteristic of euglenozoans?

They have a spiral or crystalline rod inside their flagella Signup and view all the answers

Which of the following is an example of a parabasalid parasite?

Trichomonas vaginalis Signup and view all the answers

What is the primary function of flagella in protozoa?

To move around Signup and view all the answers

Which of the following is a characteristic of trypanosomes?

They have a spiral or crystalline rod inside their flagella Signup and view all the answers

What is the mode of transmission of Trichomonas vaginalis?

Sexually transmitted Signup and view all the answers

Which of the following groups of organisms includes Giardia intestinalis and Trichomonas vaginalis?

Excavates Signup and view all the answers

What is the characteristic feature of the apex of Apicomplexans?

Organelles specialized for penetrating host cells and tissues Signup and view all the answers

What is the mode of transmission of Plasmodium malariae?

Mosquito bites Signup and view all the answers

What is the result of Natural selection on the thalassaemia allele carriers in areas with high prevalence of malaria?

Selective survival Signup and view all the answers

What is the life cycle of Apicomplexans dependent on?

Two or more different host species Signup and view all the answers

What is the result of Plasmodium malariae infection in Red Blood Cells?

Digestion of haemoglobin Signup and view all the answers

What is the approximate number of deaths per year caused by malaria?

900,000 Signup and view all the answers

What is the route of transmission of Toxoplasma gondii from mother to fetus?

Trans-placental transmission Signup and view all the answers

Which of the following is a characteristic of Apicomplexans?

They require two or more different host species Signup and view all the answers

What is the primary function of photosynthetic protists in aquatic environments?

To provide energy to other organisms Signup and view all the answers

Which of the following protist groups is characterized by the presence of lobe-shaped pseudopodia?

Amoebozoa Signup and view all the answers

What is the disease caused by the protist Entamoeba histolytica?

Amebic dysentery Signup and view all the answers

Which of the following supergroups includes the protist group Acanthamoeba?

Unikonts Signup and view all the answers

What is the role of wood-digesting protists in the gut of termites?

To break down cellulose Signup and view all the answers

Which of the following protists is a symbiont in the development of coral reefs?

Dinoflagellates Signup and view all the answers

What is the disease caused by the protist Acanthamoeba?

Eye infection and encephalitis Signup and view all the answers

Which of the following protist groups is characterized by the presence of flagella for motility?

Euglenozoans Signup and view all the answers

What is the characteristic pigment responsible for the red color of red algae?

Phycoerythrin Signup and view all the answers

Which group of protists includes Volvox, a colonial freshwater green alga?

Archaeplastids Signup and view all the answers

What is the characteristic shape of the pseudopodia in Amoebozoans?

Lobe or tube shaped Signup and view all the answers

Which supergroup includes land plants, green algae, and red algae?

Archaeplastids Signup and view all the answers

What is the name of the green alga commonly known as sea lettuce?

Ulva Signup and view all the answers

Which group of protists includes Nucleariids and Choanoflagellates?

Opisthokonts Signup and view all the answers

What is the habitat of Gymnamoebas?

Aquatic environments Signup and view all the answers

Which group of protists includes pathogenic species, such as Entamoebas?

Amoebozoans Signup and view all the answers

Which of the following protist groups can form multicellular colonies?

Algae Signup and view all the answers

What is the mode of nutrition in protists that contain chloroplasts and perform photosynthesis?

Photoautotrophs Signup and view all the answers

Which of the following supergroups includes land plants, green algae, and red algae?

Archaeplastids Signup and view all the answers

Which of the following protist groups can have various modes of nutrition, including photosynthesis and phagocytosis?

Protists Signup and view all the answers

What is the characteristic of protists that can absorb organic molecules or ingest larger food particles?

Heterotrophs Signup and view all the answers

Which of the following supergroups includes the kingdoms of Animals, Plants, and Fungi?

Domain Eukarya Signup and view all the answers

What is the characteristic of the mitochondria in diplomonads?

They are modified Signup and view all the answers

What is the characteristic of the flagella in euglenozoans?

They have a spiral or crystalline rod Signup and view all the answers

Which disease is caused by the parabasalid parasite Trichomonas vaginalis?

All of the above Signup and view all the answers

What is the method of transmission of the diplomonad parasite Giardia intestinalis?

Food-borne Signup and view all the answers

What is the characteristic of the nucleus in Trichomonas vaginalis?

It is large Signup and view all the answers

Which supergroup includes diplomonads, parabasalids, and euglenozoans?

Excavates Signup and view all the answers

Which of the following groups of organisms is characterized by the presence of phycoerythrin pigment?

Red algae Signup and view all the answers

Which supergroup includes both Amoebozoans and Opisthokonts?

Unikonts Signup and view all the answers

What is the characteristic shape of the pseudopodia in Gymnamoebas?

Tube-shaped Signup and view all the answers

Which of the following groups of organisms includes Volvox and Caulerpa?

Green algae Signup and view all the answers

Which of the following is a characteristic of Entamoebas?

They include pathogenic species Signup and view all the answers

What is unique about the life cycle of Apicomplexans?

They require two or more different host species for completion. Signup and view all the answers

What is the function of the organelles at the apex of Apicomplexans?

To penetrate host cells and tissues Signup and view all the answers

Which of the following is a consequence of Plasmodium malariae infection in red blood cells?

Digestion of haemoglobin Signup and view all the answers

How is Toxoplasma gondii transmitted from mother to fetus?

Through the trans-placental route Signup and view all the answers

What is the characteristic of the infectious cells called sporozoites?

They infect liver cells Signup and view all the answers

Protists

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Questions and Answers

What is the primary characteristic that distinguishes eukaryotic micro-organisms from prokaryotic micro-organisms?

What is the primary difference between yeast and multicellular fungi?

Which of the following is an example of a protozoan?

What is the term for eukaryotic micro-organisms that are mostly unicellular?

Which of the following is NOT a characteristic of protists?

What is the term for the domain that includes protists and fungi?

Which type of protist is characterized by the presence of chlorophyll and a cell wall?

What is the mode of nutrition in protists that contain chloroplasts and perform photosynthesis?

Which of the following supergroups of Eukarya includes the kingdoms of Animals, Plants, and Fungi?

What is the mode of reproduction in most protists?

Which of the following protist groups is characterized by the presence of cilia or flagella for motility?

What is the characteristic of some protist species that allows them to form multicellular colonies?

What is the characteristic feature of the apex of Apicomplexans?

Which of the following is NOT a route of transmission for Toxoplasma gondii?

What is the result of Natural selection on the thalassaemia allele carriers in areas with high prevalence of malaria?

What is the life cycle of Apicomplexans dependent on?

What is the result of Plasmodium malariae infection in Red Blood Cells?

What is the approximate number of deaths per year caused by malaria?

What is responsible for the red color of red algae?

Which group of organisms includes slime molds and gymnamoebas?

What is the common name of the green alga Ulva?

Which group of organisms includes land plants and green algae?

What is the name of the protist group that includes the species Bonnemaisonia hamifera?

What is the primary function of cilia in ciliates?

Which of the following characteristics is common to both dinoflagellates and diatoms?

Which group of protists includes water molds and their relatives?

What is the primary function of pseudopodia in Rhizaria?

Which of the following protists is characterized by the presence of smooth or hairy flagella?

Which of the following protists is an example of a parasitic oomycete?

What is a characteristic of protozoa?

What is a common feature of eukaryotic micro-organisms?

What type of fungi is characterized by being unicellular?

What is a characteristic of protists that are pathogenic?

What is a category of protists that includes seaweeds?

What is the kingdom that includes protists and fungi?

What is a characteristic of multicellular fungi?

What is the term for eukaryotic micro-organisms that are mostly multicellular?

What is a characteristic of diplomonad parasites?

Which of the following parasites is transmitted through food and causes gastroenteritis?

What is a characteristic of euglenozoans?

Which of the following is an example of a parabasalid parasite?

What is the primary function of flagella in protozoa?

Which of the following is a characteristic of trypanosomes?

What is the mode of transmission of Trichomonas vaginalis?

Which of the following groups of organisms includes Giardia intestinalis and Trichomonas vaginalis?

What is the characteristic feature of the apex of Apicomplexans?

What is the mode of transmission of Plasmodium malariae?

What is the result of Natural selection on the thalassaemia allele carriers in areas with high prevalence of malaria?

What is the life cycle of Apicomplexans dependent on?

What is the result of Plasmodium malariae infection in Red Blood Cells?

What is the approximate number of deaths per year caused by malaria?

What is the route of transmission of Toxoplasma gondii from mother to fetus?

Which of the following is a characteristic of Apicomplexans?

What is the primary function of photosynthetic protists in aquatic environments?

Which of the following protist groups is characterized by the presence of lobe-shaped pseudopodia?

What is the disease caused by the protist Entamoeba histolytica?

Which of the following supergroups includes the protist group Acanthamoeba?

What is the role of wood-digesting protists in the gut of termites?

Which of the following protists is a symbiont in the development of coral reefs?

What is the disease caused by the protist Acanthamoeba?

Which of the following protist groups is characterized by the presence of flagella for motility?

What is the characteristic pigment responsible for the red color of red algae?

Which group of protists includes Volvox, a colonial freshwater green alga?

What is the characteristic shape of the pseudopodia in Amoebozoans?

Which supergroup includes land plants, green algae, and red algae?

What is the name of the green alga commonly known as sea lettuce?

Which group of protists includes Nucleariids and Choanoflagellates?

What is the habitat of Gymnamoebas?

Which group of protists includes pathogenic species, such as Entamoebas?

Which of the following protist groups can form multicellular colonies?

What is the mode of nutrition in protists that contain chloroplasts and perform photosynthesis?

Which of the following supergroups includes land plants, green algae, and red algae?

Which of the following protist groups can have various modes of nutrition, including photosynthesis and phagocytosis?

What is the characteristic of protists that can absorb organic molecules or ingest larger food particles?

Which of the following supergroups includes the kingdoms of Animals, Plants, and Fungi?

What is the characteristic of the mitochondria in diplomonads?

What is the characteristic of the flagella in euglenozoans?

Microbiology: Prokaryotic & Eukaryotic Organisms, Bacterial Cell S...