1.
Tell what each number is on the paramecium. #1
Correct Answer
C. Micronucleus
Explanation
The given answer correctly identifies the number #1 as the micronucleus. The question asks to identify what each number represents on the paramecium, and the answer correctly identifies #1 as the micronucleus.
2.
Tell what each number is on the paramecium. #2
Correct Answer
A. Oral groove
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 an opening on the body of the paramecium that is used for excretion of waste materials. It is an essential part of the paramecium's digestive system, allowing it to eliminate waste products efficiently.
4.
Tell what each number is on the paramecium. #4
Correct Answer
A. Gullet
Explanation
The number #4 on the paramecium represents the gullet. The gullet is a structure found in paramecium that functions to ingest food particles. It is a long, narrow tube-like structure that extends from the mouth pore and connects to the food vacuole. The gullet helps in the process of feeding and digestion in paramecium by allowing the organism to take in food particles and transport them to the food vacuole for further processing.
5.
Tell what each number is on the paramecium. #5
Correct Answer
B. Mouth pore
Explanation
The number 5 on the paramecium represents the mouth pore. The mouth pore is an opening in the paramecium's body through which it takes in food. It is used for feeding and is an important part of the paramecium's digestive system.
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
C. Contractile vacuole
Explanation
Number 9 on the paramecium represents the contractile vacuole. The contractile vacuole is an organelle responsible for regulating the water balance within the cell. It collects excess water from the cytoplasm and expels it out of the cell to maintain osmotic balance. This process helps the paramecium to prevent swelling and maintain its shape and function.
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
In the given diagram, the structure labeled as #1 is the nucleus. The nucleus is a membrane-bound organelle found in eukaryotic cells, including amoebas. It contains the genetic material of the cell, including DNA, and is responsible for controlling the cell's activities and reproduction.
12.
Label this structure on the amoeba.
What is #2 on diagram?
Correct Answer
A. Pseudopodium
Explanation
#2 on the diagram is labeled as a pseudopodium. A pseudopodium is a temporary protrusion of the cell membrane and cytoplasm in certain cells, such as amoebas, used for locomotion and capturing food. It helps the amoeba move and extend itself in its environment.
13.
Label this structure on the amoeba.
What is #3 on diagram?
Correct Answer
B. Lysosome
Explanation
The correct answer is lysosome because it is labeled as #3 on the diagram. A lysosome is a small organelle that contains digestive enzymes. It is responsible for breaking down waste materials and cellular debris within the cell.
14.
Label this structure on the amoeba.
What is #4 on diagram?
Correct Answer
A. Contractile vacuole
Explanation
The correct answer is contractile vacuole. The contractile vacuole is a structure found in amoebas that helps to regulate the water content in the cell. It collects excess water and then contracts to expel it from the cell, preventing the cell from bursting. This structure is important for maintaining osmotic balance in the amoeba's environment.
15.
Label this structure on the amoeba.
What is #5 on diagram?
Correct Answer
C. Food vacuole
Explanation
In the given diagram, #5 is labeled as "food vacuole." A food vacuole is a membrane-bound organelle found in amoebas that stores and digests food particles. It is responsible for breaking down the ingested food and releasing nutrients for the cell's energy and growth.
16.
Label this structure on the amoeba.
What is #6 on diagram?
Correct Answer
A. Cell membrane
Explanation
#6 on the diagram is the cell membrane. The cell membrane is a thin, flexible barrier that surrounds the cell and separates the internal environment of the cell from the external environment. It controls the movement of substances in and out of the cell, maintaining homeostasis and protecting the cell from its surroundings.
17.
Label this structure on the amoeba.
What is #7 on diagram?
Correct Answer
D. Endoplasm
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 a gel-like substance that surrounds the cell membrane of an amoeba. It provides support and helps in maintaining the shape of the cell.
19.
False foot for motion and food.
Correct Answer
B. Pseudopodium
Explanation
A pseudopodium is a temporary protrusion of the cell membrane and cytoplasm in certain cells, such as amoebas, that is used for locomotion and capturing food. It allows the cell to move and extend its body in order to engulf and ingest particles of food or other substances. In contrast, a lysosome is an organelle within the cell that contains enzymes responsible for breaking down waste materials. Therefore, the correct answer is pseudopodium, as it is directly related to motion and food capture.
20.
An Amoeba reproduces by:
Correct Answer
A. Fission Reproduction
Explanation
Amoebas reproduce by fission reproduction, which is a form of asexual reproduction. In this process, the amoeba divides itself into two identical daughter cells. Each daughter cell then grows and develops into a new individual. This type of reproduction allows amoebas to rapidly increase their population size and colonize new habitats. Sexual reproduction, on the other hand, involves the fusion of gametes from two parents to produce offspring with genetic variation. However, amoebas primarily reproduce through fission, making it the correct answer.
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 dormant stage in the life cycle of certain organisms, including amoebas, where the organism forms a protective outer covering to survive harsh conditions such as extreme temperatures, lack of nutrients, or desiccation. This protective covering allows the amoeba to remain dormant until conditions improve, at which point it can resume its normal activities.
22.
An amoeba belongs to what kingdom?
Correct Answer
A. Protist
Explanation
An amoeba belongs to the kingdom Protist. The kingdom Protist is 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 and engulfing their food. They have a nucleus and other organelles, which are characteristics of eukaryotic organisms. Therefore, the correct answer is Protist.
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 any other kingdom. They can be classified into three main groups based on their characteristics: plant-like protists, which are photosynthetic and resemble plants; animal-like protists, which are heterotrophic and resemble animals; and fungus-like protists, which obtain nutrients by decomposing organic material and resemble fungi. These three groups represent the major categories of protists based on their mode of nutrition and structural characteristics.
24.
Protist that have small hair like projections on the outside of their cells are called:
Correct Answer
B. Ciliates
Explanation
Ciliates are protists that have small hair-like projections called cilia on the outside of their cells. These cilia are used for movement and feeding. Ciliates are known for their complex cell structures and diverse behaviors. They are found in various aquatic environments and play important roles in nutrient cycling and ecological processes.
25.
Any organism that invades and live off another organisms is a:
Correct Answer
B. Parasite
Explanation
A parasite is an organism that invades and lives off another organism, known as the host. This relationship is parasitic in nature, as the parasite benefits from the host while causing harm or inconvenience to it. Parasites can be found in various forms, such as fleas, ticks, and tapeworms, and they rely on the host for their survival and reproduction.
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. These extensions allow the protist to change its shape and move by flowing in the direction of the pseudopod. Amoebalike protists, such as amoebas, use pseudopods for locomotion and capturing prey. This method of movement is distinct from flagellates, which use whip-like structures called flagella to propel themselves through their environment.
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 and waste materials that are expelled from the cell. The gullet, on the other hand, is responsible for the intake of food particles during feeding. Therefore, the anal pore is the correct answer for the elimination of solid waste in a paramecium.
28.
Animal like Protists obtain food from their:
Correct Answer
A. Environment
Explanation
Animal-like protists obtain food from their environment. This means that they feed on organic matter, such as bacteria, algae, and other small organisms, that is present in their surroundings. They can capture and ingest their food through various methods, such as engulfing it or absorbing it through their cell membranes. By obtaining food from their environment, these protists are able to meet their nutritional needs and sustain their growth and survival.
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. It acts as a pump to collect excess water and waste materials from the cytoplasm and expel them out of the cell. This process helps maintain the osmotic balance within the amoeba and prevents the cell from bursting due to the accumulation of water and waste. The food vacuole, on the other hand, is responsible for digesting food particles, while the ectoplasm is the outer layer of the cell that provides shape and support.
30.
In a paramecium, life functions are controlled by the:
Correct Answer
B. Macronucleus
Explanation
The macronucleus controls the life functions in a paramecium. This organelle is responsible for regulating gene expression and carrying out essential cellular processes such as metabolism, growth, and reproduction. It contains multiple copies of the genome and plays a crucial role in coordinating the various activities necessary for the survival and functioning of the paramecium. The micronucleus, on the other hand, is involved in sexual reproduction and genetic exchange.
31.
Which process occurs when 2 protist join together and exchange hereditary material?
Correct Answer
C. Conjugation
Explanation
Conjugation is the correct answer because it is the process in which two protists join together and exchange hereditary material. During conjugation, genetic material is transferred between the two individuals, allowing for genetic variation and the exchange of beneficial traits. This process is common among certain types of protists, such as bacteria and some single-celled algae, and plays a crucial role in their reproduction and adaptation to changing environments.
32.
The disease Malaria is spread by:
Correct Answer
C. Mosquitoes
Explanation
Malaria is caused by the Plasmodium parasite, which is transmitted to humans through the bite of infected female Anopheles mosquitoes. These mosquitoes become infected with the parasite when they feed on the blood of an infected person. Once inside the mosquito, the parasites multiply and develop, eventually being transmitted to another person when the mosquito bites again. Flies and bats 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 environments. However, the majority of protists are aquatic, meaning they live in water. This is because water provides a suitable habitat for their survival and allows them to carry out essential biological processes such as obtaining nutrients, reproducing, and maintaining osmotic balance. While some protists can be found in other habitats like soil or the human body, the general characteristic of protists is their preference for living in water.
34.
The word pseudopod means:
Correct Answer
C. False foot
Explanation
The word pseudopod refers to a false foot. This term is commonly used in biology to describe the temporary projections or extensions of the cytoplasm in certain cells, such as amoebas. These pseudopods enable the cells to move and capture food. The term "heterotroph" refers to an organism that obtains its energy by consuming organic matter, while "protozoa" refers to a group of single-celled organisms. Therefore, the correct answer is "false foot" as it accurately defines the term pseudopod.
35.
Organisms that cannot make their own food:
Correct Answer
A. HeterotropH
Explanation
Heterotroph is the correct answer because it refers to organisms that cannot produce their own food and instead rely on consuming other organisms or organic matter for nutrition. This term encompasses a wide range of organisms such as animals, fungi, and some bacteria. Protozoa, on the other hand, are a specific group of single-celled organisms that can be either autotrophs or heterotrophs. "False foot" is not a term related to the ability to make food and is therefore not the correct answer.
36.
Animal like Protists are also know as ________________
Correct Answer
B. Protozoa
Explanation
Animal-like protists are also known as protozoa because they are single-celled organisms that resemble animals in their behavior and feeding habits. They are heterotrophs, meaning they obtain their nutrients by consuming other organisms or organic matter. Protozoa are diverse and can be found in various environments, including freshwater, marine habitats, and soil. They play important roles in ecosystems as predators, decomposers, and parasites.
37.
Organisms that make their own food:
Correct Answer
B. AutotropH
Explanation
Autotrophs are organisms that are capable of producing their own food through photosynthesis or chemosynthesis. They use energy from sunlight or inorganic compounds to convert carbon dioxide and water into organic molecules, such as glucose. This ability to synthesize their own food sets autotrophs apart from heterotrophs, which rely on consuming other organisms for their nutritional needs. Autotrophs play a crucial role in the food chain as primary producers, providing energy and nutrients for other organisms in the ecosystem.
38.
Paramecium are this type of Protist
Correct Answer
C. Ciliates
Explanation
The correct answer is ciliates. Paramecium is a type of protist that belongs to the group of ciliates. Ciliates are characterized by the presence of hair-like structures called cilia, which they use for movement and feeding. They are also heterotrophs, meaning they obtain their nutrition by consuming other organisms. Therefore, the statement "Paramecium are ciliates" is a valid and accurate explanation.
39.
All protists are prokaryotic.
Correct Answer
B. False
Explanation
The statement that all protists are prokaryotic is false. Protists are a diverse group of eukaryotic microorganisms that do not fit into any other kingdom. They can be unicellular or multicellular and have a nucleus and other membrane-bound organelles. Prokaryotes, on the other hand, are a separate group of microorganisms that lack a nucleus and other membrane-bound organelles. Therefore, protists are eukaryotic, not prokaryotic.
40.
Protists are both producers and consumers.
Correct Answer
A. True
Explanation
Protists are unicellular organisms that can perform photosynthesis, making them producers. However, they can also consume organic matter, making them consumers. Therefore, protists can act as both producers and consumers, which is why the statement is true.
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. This statement is true because chlorophyll is a green pigment that is responsible for the absorption of light energy in photosynthesis. Green algae, like other photosynthetic organisms, contain chlorophyll in their cells, which gives them their characteristic green color. Chlorophyll absorbs red and blue light, but reflects green light, which is why green algae appear green. Therefore, the statement is correct.
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 range from microscopic single-celled organisms to large, multicellular seaweeds. They are found in various aquatic environments, including freshwater and marine habitats. Due to their ability to perform photosynthesis and their plant-like characteristics, it is correct to say that plant-like protists are also known as algae.
43.
Parameciums are a type of ciliate.
Correct Answer
A. True
Explanation
Parameciums are indeed a type of ciliate. Ciliates are a group of single-celled organisms that possess hair-like structures called cilia, which they use for various functions such as movement and feeding. Parameciums are one of the most well-known examples of ciliates and are characterized by their slipper-like shape and numerous cilia covering their surface. They are found in freshwater environments and play important roles in aquatic ecosystems as consumers and decomposers. Therefore, the statement "Parameciums are a type of ciliate" is true.
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, such as plants, fungi do not have the ability to perform photosynthesis and synthesize their own food. Instead, they rely on breaking down organic matter or living organisms to obtain nutrients. This process is known as decomposition. Therefore, the statement "Fungi cannot eat or engulf food" accurately describes their feeding mechanism.
45.
Lichen:
Correct Answer
B. Made of an alga and fungus intertwined
Explanation
Lichens are not parasites, but rather a symbiotic relationship between an alga and a fungus. The alga provides food through photosynthesis, while the fungus provides structure and protection. This mutualistic relationship allows lichens to survive in various environments, including on rocks, trees, and soil. Lichens are not limited to living in water only; they can be found in terrestrial and even extreme environments such as deserts and Arctic regions.
46.
Which is NOT true about fungi?
Correct Answer
B. All are multicellular
Explanation
Fungi are a diverse group of organisms that can be both multicellular and unicellular. While it is true that many fungi are multicellular, there are also fungi that exist as single-celled organisms, such as yeast. Therefore, the statement "all fungi are multicellular" is not true.
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 group of fungi called Zygomycota, which are characterized by their filamentous hyphae. These hyphae form a network of thread-like structures that spread through the bread, aiding in the decomposition process. Sac fungi, on the other hand, belong to the group Ascomycota and have a different structure and mode of reproduction.
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 reproductive structures called asci, which contain spores. Yeast belongs to the genus Saccharomyces and is a unicellular organism that reproduces asexually through budding. It is commonly used in baking and brewing due to its ability to ferment sugars. Sac fungi include a wide range of organisms, such as molds, truffles, and morels, and they play important roles in various ecological processes.
49.
The largest group of fungi are the:
Correct Answer
B. Sac
Explanation
The largest group of fungi are the sac fungi. Sac fungi, also known as Ascomycota, are characterized by their reproductive structures called asci, which contain sac-like structures called ascospores. They are a diverse group of fungi that include many important species such as yeasts, molds, and truffles. Sac fungi play crucial roles in various ecosystems as decomposers, plant pathogens, and symbiotic partners with other organisms. They are also economically important as sources of food, medicine, and industrial products.
50.
Yeast reproduce:
Correct Answer
B. By budding
Explanation
Yeast reproduce by budding, which is a form of asexual reproduction. During budding, a small bud or outgrowth forms on the parent yeast cell and eventually grows into a new yeast cell. This process allows yeast to rapidly increase their population size and is a common method of reproduction for single-celled organisms like yeast. Conjugation involves the exchange of genetic material between two cells, while fission refers to the splitting of a cell into two equal parts, neither of which is the correct method of reproduction for yeast.