WorksheetsGeneral Biology I - Summative Test
Total questions: 23
Worksheet time: 35mins
Which of the following statements is TRUE about cell modification?
Cell modification is for animal cell only.
Cell modifications are for plant cell only
Cell modifications are present to every kind of cell.
Modifications acquired by cells to carry out their specialized functions.
Which type of cell modification primarily functions for secretion, absorption and movement?
Apical modification
Basal modification
Dorsal modification
Lateral modification
Which type of cell modification is consists of protein complexes which controls paracellular transport, but induce connectivity between adjacent epithelial cells?
Apical modification
Basal modification
Dorsal modification
Lateral modification
Which of the following is NOT an example of lateral cell modification structure?
Adherens Junction
Desmosomes Junction
Gap Junction
Tight Junction
Which among the following specialized structures of a cell in bacteria and some animal cell help them to move?
Extracellular matrix
Cilia and Flagella
Pseudopods
Villi and Microvilli
Which among the following specialized structures is primarily consist of actin filaments and may also contain microtubules and intermediate filaments that are used for motility and ingestion.
Extracellular matrix
Plasmodesmata
Pseudopods
Villi and Microvilli
Which of the following is the major component of extracellular matrix in animal cells?
Cellulose
Fibronectin
Integrins
Protein Collagen
Which of the following types of lateral junctions allows various molecules, ions and electrical impulses to directly pass through a regulated gate between cells?
Adherens Junction
Desmosomes Junction
Gap Junction
Tight Junction
A patient presents with chronic digestive issues, including malabsorption and nutrient deficiency. Upon biopsy of the small intestine, the doctor finds that the surface area of the intestinal lining is significantly reduced. Which type of cell modification is most likely impaired?
Desmosomes
Hemidesmosomes
Microvilli
Tight Junctions
A scientist observes that kidney epithelial cells are allowing substances to pass through spaces between them, leading to improper filtration of blood. Which cell modification is most likely malfunctioning?
Cilia
Basal Lamina
Microvilli
Tight Junctions
During a skin biopsy, it is found that certain skin cells are not adhering properly to each other, leading to easy formation of blisters under mechanical stress. Which cell modification is most likely deficient?
Basal Lamina
Desmosomes
Gap Junctions
Microvilli
A medical student is studying a case where epithelial cells in the esophagus are detaching from the underlying connective tissue, leading to erosion and ulceration. Which cell modification is most likely defective?
Cilia
Desmosomes
Gap Junctions
Hemidesmosomes
In a lab study, cells are found to be unable to coordinate their actions due to a lack of direct communication between adjacent cells. The researcher suspects a malfunction in which type of cell modification?
Adherens Junctions
Gap Junctions
Desmosomes
Tight Junctions
Which of the following tissues is NOT a connective tissue?
Adipose tissue
Bone tissue
Blood tissue
Muscle Tissue
Which epithelial tissue is responsible for regenerating quickly and providing protection?
Simple Columnar
Simple Squamous
Pseudo-stratified columnar
Stratified squamous
Which of the following is composed of Connective Tissue Proper (CTP) or a loose connective tissue?
Adipose tissue
Blood tissue
Bone tissue
Cartilage
Which among the following plant tissue can be found on the tip of the root and stem that consist of actively dividing cells which is responsible for plant growth?
Complex permanent tissue
Meristematic tissue
Simple permanent tissue
Permanent tissue
Which of the following tissues is NOT an actively dividing tissue?
Apical Meristem
Parenchyma
Embryo stem cell
Adult stem cell
What type of plant tissue can xylem and phloem be classified as?
Complex permanent tissue
Meristematic
Parenchyma
Simple permanent tissue
Which type of a parenchyma contains chlorophyll and performs photosynthesis?
Aerenchyma
Chlorenchyma
Collenchyma
Sclerenchyma
Which among the following simple permanent tissue in plant is absent in monocots and in roots?
Aerenchyma
Chlorenchyma
Collenchyma
Parenchyma
Which among the following specialized cells in xylem is known as the water-conducting cell?
alveoli elements
bronchi elements
trachea elements
respiratory tract
Which among the following permanent tissue comprises the fleshy part of a plant that mainly stores food?
Collenchyma
Parenchyma
Sclerenchyma
Xylem/Phloem
