1.
Tell what each number is on the paramecium. #1
Correct Answer
E. Micronucleus
2.
Tell what each number is on the paramecium. #2
Correct Answer
A. Oral groove
Explanation
The number 2 on the paramecium represents the oral groove. The oral groove is a specialized structure found in certain protozoa, including paramecia. It is a ciliated channel that runs along the side of the organism and is used for feeding. The paramecium uses its cilia to sweep food particles into the oral groove, where they are then directed into the cell for digestion.
3.
Tell what each number is on the paramecium. #3
Correct Answer
B. Anal pore
Explanation
The number 3 on the paramecium represents the anal pore. The anal pore is a small opening on the surface of the paramecium through which waste materials are expelled from the organism.
4.
Tell what each number is on the paramecium. #4
Correct Answer
D. Gullet
Explanation
The number 4 on the paramecium represents the gullet. The gullet is a structure found in paramecium that functions in food ingestion and digestion. It is responsible for taking in food particles through the mouth pore and transporting them to the food vacuole for digestion.
5.
Tell what each number is on the paramecium. #5
Correct Answer
B. Mouth pore
Explanation
Number 5 on the paramecium is the mouth pore.
6.
Tell what each number is on the paramecium. #6
Correct Answer
A. Cilia
7.
Tell what each number is on the paramecium. #7
Correct Answer
D. Macronucleus
8.
Tell what each number is on the paramecium. #8
Correct Answer
B. Ectoplasm
9.
Tell what each number is on the paramecium. #9
Correct Answer
J. Contractile vacuole
10.
Tell what each number is on the paramecium. #10
Correct Answer
C. Endoplasm
11.
Label this structure on the amoeba.
What is #1 on diagram?
Correct Answer
C. Nucleus
Explanation
The diagram shows a structure labeled as #1, and the correct answer is "nucleus." The nucleus is a membrane-bound organelle found in the amoeba that contains the genetic material (DNA) and controls the cell's activities. It is responsible for regulating gene expression, cell division, and the overall functioning of the cell.
12.
Label this structure on the amoeba.
What is #2 on diagram?
Correct Answer
A. Pseudopodium
Explanation
The correct answer is pseudopodium. A pseudopodium is a temporary protrusion of the amoeba's cell membrane and cytoplasm that helps in movement and capturing food. In the given diagram, #2 is labeled as a pseudopodium, indicating that it is showing the structure responsible for these functions in the amoeba.
13.
Label this structure on the amoeba.
What is #3 on diagram?
Correct Answer
B. Lysosome
Explanation
#3 on the diagram is labeled as a lysosome. A lysosome is a membrane-bound organelle found in the cytoplasm of eukaryotic cells. It contains digestive enzymes that break down waste materials, cellular debris, and foreign substances. Lysosomes play a crucial role in cellular digestion and waste management.
14.
Label this structure on the amoeba.
What is #4 on diagram?
Correct Answer
D. Contractile vacuole
Explanation
The correct answer is contractile vacuole. This organelle is responsible for regulating the water content of the amoeba by collecting excess water and then expelling it from the cell. It helps maintain the osmotic balance and prevents the cell from bursting due to excessive water intake.
15.
Label this structure on the amoeba.
What is #5 on diagram?
Correct Answer
C. Food vacuole
Explanation
The structure labeled as #5 on the diagram is the food vacuole. This is supported by the fact that the other options, such as the cell membrane, nucleus, and contractile vacuole, do not match the structure in question. The food vacuole is responsible for storing and digesting food within the amoeba.
16.
Label this structure on the amoeba.
What is #6 on diagram?
Correct Answer
A. Cell membrane
Explanation
The structure labeled as #6 on the diagram is the cell membrane. The cell membrane is a thin, flexible barrier that surrounds the cell and controls the movement of substances in and out of the cell. It is composed of a phospholipid bilayer and various proteins that help with transport and communication. The cell membrane plays a crucial role in maintaining the integrity and homeostasis of the cell.
17.
Label this structure on the amoeba.
What is #7 on diagram?
Correct Answer
D. Endoplasm
Explanation
The correct answer is endoplasm. Endoplasm refers to the inner, granular, and more fluid-like region of the amoeba's cytoplasm. It contains various organelles and is responsible for the movement and metabolism of the cell.
18.
Label this structure on the amoeba.
What is #8 on diagram?
Correct Answer
C. Ectoplasm
Explanation
#8 on the diagram is labeled as ectoplasm. Ectoplasm is the outer layer of the amoeba's cytoplasm, which is a jelly-like substance that fills the cell. It acts as a protective barrier and helps maintain the shape of the amoeba.
19.
False foot for motion and food.
Correct Answer
B. Pseudopodium
Explanation
A pseudopodium is a temporary protrusion of the cell membrane that helps with cell movement and capturing food. It is commonly found in amoebas and other single-celled organisms. The other options, lysosome and cell membrane, do not directly relate to the given statement about motion and food. A lysosome is an organelle involved in digestion, while the cell membrane is the outer covering of a cell that regulates what enters and exits the cell. Therefore, pseudopodium is the most appropriate answer based on the information provided.
20.
An Amoeba reproduces by:
Correct Answer
C. Fission Reproduction
Explanation
Fission reproduction is the correct answer because amoebas reproduce by a process called binary fission, where the parent cell divides into two identical daughter cells. This is a form of asexual reproduction, as it does not involve the fusion of gametes or the exchange of genetic material. Conjugation and sexual reproduction are not methods of reproduction in amoebas.
21.
When conditions are unfavorable, an amoeba will form a ______________ to protect itself from the environment.
Correct Answer
B. Cyst
Explanation
When conditions are unfavorable, an amoeba will form a cyst to protect itself from the environment. A cyst is a protective structure that amoebas and other organisms can form when faced with harsh conditions such as extreme temperatures, lack of food, or excessive dryness. The cyst acts as a dormant stage, allowing the organism to survive until conditions improve. It is a tough outer covering that helps to shield the amoeba from harmful factors and helps it to remain in a state of suspended animation until the environment becomes more favorable for growth and reproduction.
22.
An amoeba belongs to what kingdom?
Correct Answer
C. Protist
Explanation
An amoeba belongs to the kingdom Protist. Protists are a diverse group of eukaryotic microorganisms that do not fit into any other kingdom. Amoebas are single-celled organisms that move and feed by extending their cell membrane to form pseudopods. They are considered protists because they share characteristics with other members of this kingdom, such as being unicellular and having a nucleus.
23.
What are the three groups of Protists?
Correct Answer
C. Plant-Like, Animal-Like, Fungus-Like
Explanation
The correct answer is Plant-Like, Animal-Like, Fungus-Like. Protists are a diverse group of eukaryotic microorganisms that do not fit into the categories of plants, animals, or fungi. They can be classified into three main groups based on their characteristics: plant-like protists, which are photosynthetic and resemble plants in some ways; animal-like protists, which are heterotrophic and move around to obtain food; and fungus-like protists, which obtain nutrients by decomposing organic matter and have characteristics similar to fungi.
24.
Protist that have small hair like projections on the outside of their cells are called:
Correct Answer
A. Ciliates
Explanation
Ciliates are protists that have small hair-like projections called cilia on the outside of their cells. These cilia help them with various functions such as movement, feeding, and sensing the environment. Ciliates are known for their complex cell structure and diverse behaviors. They are often found in freshwater environments and can be easily identified by their characteristic cilia.
25.
Any organism that invades and live off another organisms is a:
Correct Answer
C. Parasite
Explanation
A parasite is an organism that invades and lives off another organism, known as the host. Parasites rely on the host for resources and often cause harm or disease to the host. They can be found in various forms, such as bacteria, viruses, fungi, or multicellular organisms like worms. Parasitism is a common ecological relationship where the parasite benefits at the expense of the host.
26.
Which protist move by means of pseudopods?
Correct Answer
A. Amoebalike
Explanation
Amoebalike protists move by means of pseudopods, which are temporary extensions of the cell membrane that allow them to move and engulf food particles. Pseudopods are formed by the protrusion of cytoplasm, and they can be extended and retracted in different directions, enabling the protist to change its position. This mode of movement is characteristic of amoebas, which belong to the group of amoebalike protists. Flagellates, ciliates, and spore-forming protists have different mechanisms for locomotion and do not use pseudopods.
27.
In a paramecium, solid waste is eliminated through the:
Correct Answer
A. Anal pore
Explanation
In a paramecium, solid waste is eliminated through the anal pore. The anal pore is a small opening located at the posterior end of the paramecium. It serves as the exit point for undigested food particles and other waste materials that have been processed by the paramecium's digestive system.
28.
Animal like Protists obtain food from their:
Correct Answer
D. Environment
Explanation
Animal-like protists obtain food from their environment because they are heterotrophic organisms that cannot produce their own food through photosynthesis. They rely on external sources such as other organisms or organic matter in their surroundings to obtain nutrients and energy. This can be done through various methods such as engulfing and digesting their prey or absorbing dissolved organic matter from their environment.
29.
Liquid waste in an amoeba is elminiated through the:
Correct Answer
C. Contractile vacuole
Explanation
The contractile vacuole is responsible for eliminating liquid waste in an amoeba. This organelle acts as a pump, collecting excess water and waste materials from the cytoplasm and expelling them out of the cell. It helps maintain osmotic balance within the amoeba by regulating the water content. The other options, such as food vacuole, ectoplasm, and pseudopods, are not directly involved in the elimination of liquid waste in an amoeba.
30.
In a paramecium, life functions are controlled by the:
Correct Answer
B. Macronucleus
Explanation
The macronucleus controls the life functions in a paramecium. It is responsible for regulating the cell's metabolism, growth, and reproduction. This organelle contains multiple copies of the cell's genetic material and is involved in gene expression. The micronucleus, on the other hand, is involved in sexual reproduction and genetic exchange. The gullet is responsible for food intake and digestion, while the pellicle provides structural support and protection for the cell. However, it is the macronucleus that primarily controls the essential life functions of a paramecium.
31.
Which process occurs when 2 protist join together and exchange hereditary material?
Correct Answer
D. Conjugation
Explanation
Conjugation is the process that occurs when two protists join together and exchange hereditary material. During conjugation, the protists form a temporary connection called a conjugation tube, through which genetic material is transferred from one protist to the other. This process allows for genetic diversity and the exchange of beneficial traits between protists.
32.
The disease Malaria is spread by:
Correct Answer
C. Mosquitoes
Explanation
Malaria is caused by a parasite called Plasmodium, which is transmitted to humans through the bite of infected female Anopheles mosquitoes. These mosquitoes become infected by biting humans who already have the parasite in their blood. Once inside a human host, the parasites multiply and cause symptoms of malaria. Flies, bats, and infected food do not play a role in the transmission of malaria, making mosquitoes the correct answer.
33.
Most protists live:
Correct Answer
C. In water
Explanation
Protists are a diverse group of eukaryotic microorganisms that can be found in various habitats. However, the majority of protists are aquatic organisms and are commonly found in water environments such as oceans, lakes, rivers, and ponds. They have adapted to thrive in these watery habitats, where they can obtain nutrients, reproduce, and carry out their life processes. Therefore, the correct answer is "in water."
34.
The word pseudopod means:
Correct Answer
C. False foot
Explanation
The word "pseudopod" refers to a false foot. In biology, a pseudopod is a temporary projection of the cytoplasm in certain cells, such as amoebas, that helps them move and capture food. It is called a "false foot" because it is not a true appendage like a foot, but rather a temporary extension of the cell's membrane.
35.
Organisms that cannot make their own food:
Correct Answer
A. HeterotropH
Explanation
Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms or organic matter for their energy and nutrients. They are unable to perform photosynthesis or chemosynthesis to obtain energy like autotrophs do. Protozoa, on the other hand, are a diverse group of single-celled organisms that can be either autotrophs or heterotrophs. "False foot" is not a term used to describe organisms and does not relate to the ability to make food. Therefore, the correct answer is heterotroph.
36.
Animal like Protists are also know as ________________
Correct Answer
B. Protozoa
Explanation
Animal-like protists are known as protozoa because they are single-celled organisms that exhibit animal-like characteristics. They are heterotrophs, meaning they obtain their energy by consuming other organisms. Protozoa can be further classified into various groups based on their locomotion, such as ciliates, which move using hair-like structures called cilia. Therefore, the correct answer is protozoa.
37.
Organisms that make their own food:
Correct Answer
D. AutotropH
Explanation
Autotrophs are organisms that can produce their own food using energy from the environment, such as sunlight or inorganic chemicals. They are capable of photosynthesis or chemosynthesis, converting these energy sources into organic compounds that they can use as nutrients. This ability to synthesize their own food distinguishes autotrophs from heterotrophs, which rely on consuming other organisms or organic matter for sustenance. Protozoa and ciliates, on the other hand, are not specifically categorized as autotrophs or heterotrophs, as they can include both types of organisms within their groups.
38.
Paramecium are this type of Protist
Correct Answer
C. Ciliates
Explanation
Ciliates are a type of protist that includes organisms like Paramecium. These organisms are characterized by the presence of cilia, which are hair-like structures used for movement and feeding. Ciliates are heterotrophs, meaning they obtain their nutrition by consuming other organisms or organic matter. Therefore, the correct answer is ciliates.
39.
All protists are prokaryotic.
Correct Answer
B. False
Explanation
The statement is false because not all protists are prokaryotic. Protists are a diverse group of eukaryotic microorganisms that include unicellular organisms such as amoebas and paramecia, as well as multicellular organisms like seaweeds. Prokaryotes, on the other hand, are a separate group of microorganisms that lack a nucleus and other membrane-bound organelles. Therefore, it is incorrect to say that all protists are prokaryotic.
40.
Protists are both producers and consumers.
Correct Answer
A. True
Explanation
Protists are both producers and consumers because they have the ability to perform photosynthesis and produce their own food like plants (producers), as well as consume other organisms for energy like animals (consumers). This dual role allows them to occupy various ecological niches and play important roles in food webs and nutrient cycling in aquatic ecosystems.
41.
Green algae is green because chlorophyll is the main pigment contained.
Correct Answer
A. True
Explanation
Green algae is green because chlorophyll is the main pigment contained. Chlorophyll is a green pigment that is responsible for the process of photosynthesis in plants and algae. It absorbs light energy from the sun and converts it into chemical energy, which is used for growth and development. Green algae, like other photosynthetic organisms, contain chlorophyll in their cells, giving them their characteristic green color. Therefore, the statement is true.
42.
Plant like protists are also known as algae.
Correct Answer
A. True
Explanation
Plant-like protists, also known as algae, are a diverse group of organisms that possess characteristics of both plants and protists. They are photosynthetic, meaning they can produce their own food using sunlight, just like plants. Algae can be found in various habitats, including freshwater, saltwater, and even on land. They play a vital role in ecosystems as primary producers, providing food and oxygen for other organisms. Therefore, the statement "Plant-like protists are also known as algae" is true.
43.
Parameciums are a type of ciliate.
Correct Answer
A. True
Explanation
Parameciums are indeed a type of ciliate. Ciliates are a group of protozoa that possess hair-like structures called cilia, which they use for locomotion and feeding. Paramecium is a well-known example of a ciliate, characterized by its elongated shape and numerous cilia covering its surface. These organisms are commonly found in freshwater environments and play important roles in aquatic ecosystems.
44.
Fungi:
Correct Answer
B. Cannot eat or engulf food
Explanation
Fungi cannot eat or engulf food because they are heterotrophic organisms that obtain nutrients by absorbing them from their surroundings. Unlike producers, which can synthesize their own food through photosynthesis, fungi rely on external sources of organic matter for their nutrition. They secrete enzymes that break down complex organic compounds into simpler forms, which they can then absorb and use for energy. This characteristic sets fungi apart from producers and highlights their role as decomposers in ecosystems.
45.
Lichen:
Correct Answer
B. Made of an alga and fungus intertwined
Explanation
Lichen is not a parasite but a symbiotic organism made up of an alga and fungus living together in a mutually beneficial relationship. The alga provides food through photosynthesis, while the fungus provides structure and protection. This unique combination allows lichen to thrive in a variety of environments, including on rocks, trees, and soil.
46.
Which is NOT true about fungi?
Correct Answer
B. All are multicellular
Explanation
Fungi are a diverse group of organisms that can be either multicellular or unicellular. While most fungi are multicellular, there are some unicellular fungi, such as yeast. Therefore, the statement that "all fungi are multicellular" is not true. Fungi can also be consumers, as they obtain nutrients by decomposing organic matter. They are eukaryotic organisms, meaning their cells have a nucleus. Additionally, fungi can be useful to humans in various ways, such as in the production of food, medicine, and biofuels.
47.
Black bread mold is an example of a:
Correct Answer
A. Threadlike fungus
Explanation
Black bread mold is an example of a threadlike fungus because it belongs to the class Zygomycetes, which is characterized by having hyphae (thread-like structures) that lack cross-walls. This type of fungus reproduces asexually by producing spores, and it commonly grows on decaying organic matter, such as bread.
48.
Yeast is an example of a:
Correct Answer
B. Sac fungus
Explanation
Yeast is classified as a sac fungus. Sac fungi, also known as Ascomycota, are characterized by their sac-like structures called asci, which contain spores. Yeast belongs to the genus Saccharomyces and is commonly used in baking and brewing due to its ability to ferment sugars. It reproduces asexually through budding, where a small daughter cell grows off the parent cell. Sac fungi are diverse and include many other species that play important roles in ecosystems, such as morel mushrooms and truffles.
49.
The largest group of fungi are the:
Correct Answer
B. Sac
Explanation
Sac fungi, also known as Ascomycota, are the largest group of fungi. They are characterized by their sac-like structures called asci, which contain spores. Sac fungi include a wide range of organisms such as yeasts, morels, truffles, and many plant pathogens. They play important roles in decomposition, nutrient cycling, and symbiotic relationships with plants. Sac fungi are economically significant as they are used in the production of various foods and beverages, as well as in the pharmaceutical industry for the production of antibiotics and other drugs.
50.
Yeast reproduce:
Correct Answer
B. By budding
Explanation
Yeast reproduce by budding, which is a type of asexual reproduction. In this process, a small bud forms on the parent yeast cell, gradually grows in size, and eventually separates to become a new individual yeast cell. This method allows yeast to rapidly increase their population size under favorable conditions. Conjugation, on the other hand, is a form of sexual reproduction, and fission refers to the splitting of a cell into two equal parts, neither of which is applicable to yeast reproduction.