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BACT 1003 Chapter 5 Quiz - Eukaryote

Total questions: 99

Worksheet time: 50mins

Name
Class
Date
1.

What is the main topic of Chapter 5 in BACT 1003?

a)

Prokaryotes

b)

Eukaryotes

c)

Viruses

d)

Bacteria

2.

Which section is included in Chapter 5 of BACT 1003?

a)

Chapter 1

b)

Chapter 2

c)

Chapter 3

d)

Chapter 4

3.

What is one of the recommended readings related to Chapter 5?

a)

5.1 Unicellular Eukaryotic Parasites

b)

5.1 Prokaryotic Cells

c)

5.1 Viral Structures

d)

5.1 Bacterial Growth

4.

Which of the following eukaryotic organisms is typically unicellular or a few colonial?

a)

Fungi

b)

Protozoa

c)

Helminths

d)

Arthropods

5.

Which category of eukaryotic organisms can be unicellular, colonial, or multicellular?

a)

Protozoa

b)

Helminths

c)

Fungi

d)

Arthropods

6.

What type of eukaryotic organisms are helminths?

a)

Unicellular

b)

Multicellular except reproductive stages

c)

Colonial

d)

Unicellular or a few colonial

7.

Which of the following is an example of an animal vector of diseases?

a)

Algae

b)

Protozoa

c)

Arthropods

d)

Fungi

8.

What is the function of the mitochondrion in a eukaryotic cell?

a)

Protein synthesis

b)

Energy production

c)

Photosynthesis

d)

Lipid storage

9.

Which organelle is responsible for protein synthesis in eukaryotic cells?

a)

Ribosome

b)

Golgi complex

c)

Lysosome

d)

Peroxisome

10.

What is the primary role of the Golgi complex in a eukaryotic cell?

a)

DNA replication

b)

Modifying and packaging proteins

c)

Photosynthesis

d)

Lipid synthesis

11.

Which structure in the eukaryotic cell is responsible for housing the cell's genetic material?

a)

Nucleus

b)

Ribosome

c)

Mitochondrion

d)

Lysosome

12.

Which of the following is considered an external organelle or structure in a eukaryotic cell?

a)

Ribosomes

b)

Flagella

c)

Nucleus

d)

Mitochondria

13.

What is the primary function of the nucleus in a eukaryotic cell?

a)

Energy production

b)

Protein synthesis

c)

Genetic material storage

d)

Photosynthesis

14.

Which structure is part of the cytoskeleton in a eukaryotic cell?

a)

Microtubules

b)

Golgi complex

c)

Chloroplasts

d)

Glycocalyx

15.

Which of the following cell shapes is associated with the Chromulina alga?

a)

Spheroid

b)

Fusiform

c)

Bell-shaped

d)

Ovoid

16.

What is the shape of the Trypanosoma cell?

a)

Spheroid

b)

Fusiform

c)

Bell-shaped

d)

Ring-shaped

17.

Identify the cell shape of Vorticella from the options below.

a)

Ovoid

b)

Ring-shaped

c)

Bell-shaped

d)

Fusiform

18.

Which organism is associated with an ovoid cell shape?

a)

Chromulina

b)

Trypanosoma

c)

Paramecium

d)

Plasmodium ovale

19.

What is the cell shape of Plasmodium ovale?

a)

Spheroid

b)

Fusiform

c)

Bell-shaped

d)

Ring-shaped

20.

What is the primary function of the cell membrane?

a)

Synthesizes proteins

b)

Packages proteins in vesicles

c)

Exterior of cell made of phospholipids and proteins

d)

Houses DNA and nucleolus

21.

Which cell structure is responsible for synthesizing proteins?

a)

Golgi apparatus

b)

Ribosomes

c)

Lysosome

d)

Centrosome

22.

What is the role of the Golgi apparatus in a cell?

a)

Synthesizes lipids and detoxifies the cell

b)

Packages proteins in vesicles for secretion, storage, or to become cell membrane

c)

Digests large molecules, organelles, and cells with enzymes

d)

Houses DNA and nucleolus

23.

Which structure is responsible for making ATP in the cell?

a)

Mitochondria

b)

Nucleus

c)

Smooth ER

d)

Centrosome

24.

What is the function of the nucleolus?

a)

Synthesizes lipids and detoxifies the cell

b)

Makes rRNA and assembles ribosomes

c)

Exterior of cell made of phospholipids and proteins

d)

Digests small molecules to detoxify the cell

25.

What is the primary function of the nucleolus?

a)

DNA replication

b)

rRNA synthesis

c)

Protein degradation

d)

Lipid synthesis

26.

Which structure is responsible for assembling ribosomal units?

a)

Nuclear envelope

b)

Chromatin

c)

Nucleolus

d)

Nuclear pore

27.

What is the role of nuclear pores in the nucleus?

a)

Synthesize proteins

b)

Allow passage of molecules

c)

Store genetic material

d)

Produce lipids

28.

What is contained within the nuclear envelope?

a)

Ribosomes

b)

Genetic material

c)

Mitochondria

d)

Golgi apparatus

29.

What are ribosomes composed of?

a)

DNA and lipids

b)

rRNA and proteins

c)

Carbohydrates and lipids

d)

DNA and proteins

30.

Where can ribosomes be found in the cell?

a)

Only in the nucleus

b)

Scattered in the cytoplasm or associated with the RER

c)

Only in the mitochondria

d)

Only in the Golgi apparatus

31.

What is the size of eukaryotic ribosomes compared to prokaryotic ribosomes?

a)

Smaller than prokaryotic ribosomes

b)

Larger than prokaryotic ribosomes

c)

The same size as prokaryotic ribosomes

d)

Non-existent in eukaryotes

32.

What is the primary function of ribosomes?

a)

DNA replication

b)

Lipid synthesis

c)

Protein synthesis

d)

Carbohydrate metabolism

33.

What is a key characteristic of the rough endoplasmic reticulum (RER)?

a)

It is a closed tubular network without ribosomes.

b)

It is continuous with the nuclear envelope and has ribosomes attached.

c)

It functions in the synthesis and storage of lipids.

d)

It is involved in detoxification processes.

34.

What is the primary function of the smooth endoplasmic reticulum (SER)?

a)

Protein synthesis and transport.

b)

Lipid synthesis and detoxification.

c)

DNA replication.

d)

Photosynthesis.

35.

How does the rough endoplasmic reticulum (RER) contribute to protein processing?

a)

It stores proteins for long-term use.

b)

It synthesizes proteins and shunts them into the ER for packaging and transport.

c)

It breaks down proteins into amino acids.

d)

It converts proteins into lipids.

36.

What is the primary function of the Golgi apparatus?

a)

Photosynthesis

b)

Modifies, stores, and packages proteins

c)

DNA replication

d)

Cellular respiration

37.

What are the flattened sacs in the Golgi apparatus called?

a)

Vesicles

b)

Cisternae

c)

Mitochondria

d)

Ribosomes

38.

Which side of the Golgi apparatus is known as the "receiving" side?

a)

Trans face

b)

Cis face

c)

Lateral face

d)

Basal face

39.

What is the sequence of protein transport from the nucleus to secretion?

a)

Nucleus → Golgi → RER → Vesicles → Secretion

b)

Nucleus → Vesicles → RER → Golgi → Secretion

c)

Nucleus → RER → Golgi → Vesicles → Secretion

d)

Nucleus → Secretion → Golgi → RER → Vesicles

40.

What is the primary function of lysosomes?

a)

Photosynthesis

b)

Protein synthesis

c)

Digest foreign substances

d)

Transport of oxygen

41.

Which organelle is responsible for autophagy?

a)

Mitochondria

b)

Lysosomes

c)

Ribosomes

d)

Chloroplasts

42.

What type of enzymes do peroxisomes contain?

a)

Digestive enzymes

b)

Oxidative enzymes

c)

Photosynthetic enzymes

d)

Hydrolytic enzymes

43.

What is one of the functions of peroxisomes?

a)

Protein synthesis

b)

Metabolic breakdown of amino acids and fatty acids

c)

Photosynthesis

d)

DNA replication

44.

What is the primary function of mitochondria?

a)

Protein synthesis

b)

Energy (ATP) production

c)

Photosynthesis

d)

Lipid storage

45.

What type of DNA do mitochondria contain?

a)

Linear, single-stranded DNA

b)

Circular, double-stranded DNA

c)

Linear, double-stranded DNA

d)

Circular, single-stranded DNA

46.

Which structure within the mitochondria holds the enzymes and electron carriers of aerobic respiration?

a)

Matrix

b)

Cristae

c)

Outer membrane

d)

Intermembrane space

47.

How do mitochondria divide?

a)

Through binary fission, independently of the cell

b)

By mitosis, along with the cell

c)

By meiosis, independently of the cell

d)

Through budding, along with the cell

48.

What is the primary function of chloroplasts?

a)

Cellular respiration

b)

Photosynthesis

c)

Protein synthesis

d)

Lipid storage

49.

Where are chloroplasts commonly found?

a)

Animal cells

b)

Fungal cells

c)

Algae and plant cells

d)

Bacterial cells

50.

What type of DNA do chloroplasts contain?

a)

Linear, ss DNA

b)

Circular, ds DNA

c)

Linear, ds DNA

d)

Circular, ss DNA

51.

What is the structure of chloroplast membranes?

a)

Single-membraned

b)

Triple-membraned

c)

Double-membraned

d)

Quadruple-membraned

52.

What are the three main components of the cytoskeleton?

a)

Microfilaments, intermediate filaments, and microtubules

b)

Actin, myosin, and keratin

c)

Tubulin, collagen, and elastin

d)

Fibronectin, laminin, and integrin

53.

Which function is NOT associated with the cytoskeleton?

a)

Movement of cytoplasm

b)

Photosynthesis

c)

Anchoring organelles

d)

Structural support

54.

What is the primary role of microtubules in the cytoskeleton?

a)

Energy production

b)

DNA replication

c)

Structural support and transport

d)

Protein synthesis

55.

What is the primary function of actin filaments in muscle contraction?

a)

To provide structural support to the cell membrane

b)

To facilitate amoeboid movement

c)

To interact with myosin for muscle contraction

d)

To form the nucleolus

56.

Which cellular process involves the formation of a contractile ring during cytokinesis?

a)

Cytoplasmic streaming

b)

Amoeboid movement

c)

Muscle contraction

d)

Contractile ring formation

57.

What is the role of actin filaments in amoeboid movement?

a)

They form the cell membrane

b)

They assist in cytoplasmic streaming

c)

They enable the cell to change shape and move

d)

They are involved in muscle contraction

58.

What is the primary function of intermediate filaments in cells?

a)

Provide structural support and maintain cell shape

b)

Facilitate cell division

c)

Transport organelles within the cell

d)

Synthesize proteins

59.

Which structure is associated with microtubules and plays a key role in cell division?

a)

Centriole

b)

Nucleus

c)

Ribosome

d)

Mitochondria

60.

What is the primary function of the cell wall?

a)

To store genetic information

b)

To provide structural support and shape

c)

To facilitate cellular respiration

d)

To synthesize proteins

61.

Which of the following substances is commonly found in the cell walls of algae?

a)

Chitin

b)

Silicon dioxide

c)

Glycogen

d)

Hemoglobin

62.

What is the composition of the cytoplasmic (cell) membrane?

a)

Single layer of proteins

b)

Bilayer of phospholipids and proteins

c)

Triple layer of carbohydrates

d)

Double layer of nucleic acids

63.

How do sterols contribute to the cytoplasmic membrane?

a)

They provide energy

b)

They confer stability

c)

They transport nutrients

d)

They synthesize DNA

64.

What is the primary structural component of the eukaryotic plasma membrane?

a)

Phospholipid bilayer

b)

Glycoproteins

c)

Cholesterol

d)

Carbohydrates

65.

What role does cholesterol play in the eukaryotic plasma membrane?

a)

It acts as a carbohydrate source.

b)

It maintains membrane fluidity.

c)

It serves as a protein channel.

d)

It functions as a lipid anchor.

66.

Which components are important for cell recognition in the eukaryotic plasma membrane?

a)

Phospholipids and cholesterol

b)

Glycoproteins and glycolipids

c)

Proteins and lipids

d)

Carbohydrates and proteins

67.

What is the primary composition of the extracellular matrix (ECM)?

a)

Living cells and tissues

b)

Non-living complex mix of fibrous proteins and polysaccharides

c)

Only polysaccharides

d)

Only fibrous proteins

68.

Which of the following is a function of the extracellular matrix (ECM)?

a)

Produces energy for cells

b)

Supports and anchors cells

c)

Transports oxygen

d)

Synthesizes proteins

69.

How does the extracellular matrix (ECM) contribute to cell signaling?

a)

By producing hormones

b)

By separating tissues

c)

By functioning in cell signaling

d)

By storing nutrients

70.

What is the primary function of cilia in eukaryotes?

a)

Photosynthesis

b)

Feeding and filtering

c)

DNA replication

d)

Protein synthesis

71.

How are cilia different from flagella?

a)

Cilia are long and single, while flagella are short and numerous.

b)

Cilia are short and more numerous, while flagella are long and single.

c)

Cilia are used for photosynthesis, while flagella are used for feeding.

d)

Cilia are found in prokaryotes, while flagella are found in eukaryotes.

72.

What structural feature do both cilia and flagella share?

a)

9+2 array of microtubules

b)

Double helix structure

c)

Lipid bilayer

d)

Ribosomal RNA

73.

Which of the following is a characteristic of eukaryotic cells but not prokaryotic cells?

a)

Single chromosome

b)

Circular DNA

c)

Multiple chromosomes

d)

No nucleus

74.

What type of cell division is found in prokaryotes?

a)

Mitosis

b)

Meiosis

c)

Binary fission

d)

Budding

75.

Which of the following is a component of the cell wall in eukaryotic plant cells?

a)

Peptidoglycan

b)

Cellulose

c)

Glycopeptide

d)

Chitin

76.

What is the size range of prokaryotic cells?

a)

~0.5–1 μM

b)

~5–20 μM

c)

~10–50 μM

d)

~1–5 μM

77.

Which type of ribosomes are found in the cytoplasm of eukaryotic cells?

a)

70S

b)

80S

c)

60S

d)

50S

78.

Which of the following is a type of eukaryotic microbe?

a)

Bacteria

b)

Fungi

c)

Viruses

d)

Archaea

79.

What category do algae belong to?

a)

Prokaryotic microbes

b)

Eukaryotic microbes

c)

Viruses

d)

Archaea

80.

Which of the following is not a eukaryotic microbe?

a)

Protozoa

b)

Parasitic worms

c)

Bacteria

d)

Algae

81.

What is a characteristic of algae?

a)

Multicellular and non-photosynthetic

b)

Unicellular and photosynthetic with chlorophyll A

c)

Unicellular and lack chlorophyll

d)

Multicellular and colonial without chlorophyll

82.

What is a defining feature of protozoa?

a)

Multicellular with tissues

b)

Unicellular eukaryotes lacking tissues

c)

Photosynthetic with chlorophyll B

d)

Multicellular and colonial

83.

What is a characteristic feature of algae that allows them to perform photosynthesis?

a)

Chloroplasts with chlorophyll

b)

Lack of cell wall

c)

Presence of mitochondria

d)

Absence of flagella

84.

Which of the following forms can algae take?

a)

Unicellular, colonial, filamentous

b)

Only multicellular

c)

Only unicellular

d)

Only filamentous

85.

What structure is commonly found in algae that aids in movement?

a)

Flagella

b)

Cilia

c)

Pseudopodia

d)

Tentacles

86.

How do most algae exist in their environment?

a)

Mostly free-living

b)

Always symbiotic

c)

Always parasitic

d)

Always in colonies

87.

Which type of algae is known for having "leaves" and "stems" that make them appear similar to green plants?

a)

Red algae

b)

Brown algae

c)

Green algae

d)

Blue-green algae

88.

What is the species of red algae that is also multicellular?

a)

Halimeda incrassata

b)

Diatoms

c)

Volvox

d)

Not specified

89.

What phenomenon is visible in the cresting wave and is associated with certain dinoflagellates?

a)

Photosynthesis

b)

Bioluminescence

c)

Chemosynthesis

d)

Fluorescence

90.

What do diatoms produce that form diatomaceous earths?

a)

Calcium carbonate shells

b)

Siliceous tests

c)

Cellulose walls

d)

Protein structures

91.

Which type of algae exhibits simple cooperative associations of cells, as seen in the micrographs?

a)

Brown algae

b)

Red algae

c)

Colonial green algae

d)

Blue-green algae

92.

What is a characteristic of all protozoa?

a)

They have a cell wall.

b)

They are multicellular.

c)

They are unicellular.

d)

They are autotrophic.

93.

How do most protozoa obtain their food?

a)

Photosynthesis

b)

Engulfing

c)

Absorption through cell wall

d)

Parasitism

94.

Which of the following is true about the reproduction of protozoa?

a)

All reproduce sexually.

b)

All reproduce asexually.

c)

None reproduce asexually.

d)

All reproduce by binary fission.

95.

What type of structures do most protozoa have for movement?

a)

Cilia and flagella

b)

Roots

c)

Wings

d)

Fins

96.

What is the active, feeding stage of protozoa called?

a)

Cyst

b)

Trophozoite

c)

Spore

d)

Gamete

97.

Which stage in the protozoan life cycle is characterized by a dormant, resting state?

a)

Trophozoite

b)

Mature cyst

c)

Spore

d)

Gamete

98.

What process occurs when a protozoan cyst wall breaks open?

a)

Encystment

b)

Excystment

c)

Sporulation

d)

Germination

99.

What condition leads to the formation of a cyst in protozoa?

a)

Abundance of nutrients

b)

Moisture and nutrients restored

c)

Drying and lack of nutrients

d)

High temperature

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