NEW
Font size
WorksheetsLecture 1: Basic plant cells and tissues
Total questions: 20
Worksheet time: 10mins
What are the three main tissue types in plants?
Epidermis, vascular, and ground tissues
Parenchyma, collenchyma, and sclerenchyma
Dermal, meristematic, and storage tissues
Xylem, phloem, and epidermal tissues
Which characteristic is unique to parenchyma cells?
They have thick secondary walls
They are always dead at maturity
They retain meristematic properties
They only function in photosynthesis
What is the main component that causes wall thickening in collenchyma cells?
Lignin
Cellulose
Hemicellulose
Suberin
Which type of sclereid is commonly found in pear fruits?
Osteosclereid
Brachysclereid
Macrosclereid
Astrosclereid
What is the primary function of sclerenchyma cells?
Photosynthesis
Support
Food storage
Gas exchange
Which cell type dies at maturity and has an empty lumen?
Parenchyma
Collenchyma
Sclerenchyma
Epidermis
Where are macrosclereids typically found?
In fruit pulp
In leaf lamina
In legume seed coats
In stem cortex
What shape characterizes osteosclereids?
Star-shaped
Dumbbell-shaped
Needle-shaped
Spherical
Which tissue type serves a protective function in plants?
Vascular tissue
Ground tissue
Dermal tissue
Meristematic tissue
What is the defining characteristic of chlorenchyma?
Thick lignified walls
Involvement in photosynthesis
Dead at maturity
Uneven wall thickening
Which collenchyma type has thickening at cell corners?
Lacunar collenchyma
Angular collenchyma
Lamellar collenchyma
Annular collenchyma
Where can astrosclereids be found?
Seed coats
Fruit pulp
Water lily leaves
Root cortex
What type of pits are typically found in parenchyma cells?
Bordered pits
Simple pits
Vestured pits
Blind pits
Which plant tissue is characterized by having living cells at maturity?
Sclerenchyma
Secondary xylem
Parenchyma
Cork tissue
What is the main component of sclerenchyma secondary walls?
Pectin
Cellulose
Lignin
Suberin
Which cell type provides elastic support to growing plant parts?
Sclerenchyma
Collenchyma
Epidermis
Cork
What type of collenchyma has thickening adjacent to air spaces?
Angular collenchyma
Plate collenchyma
Lacunar collenchyma
Annular collenchyma
Which tissue type is responsible for transport in plants?
Ground tissue
Vascular tissue
Dermal tissue
Storage tissue
What is the shape of fiber cells?
Spherical
Star-shaped
Elongated with tapered ends
Cube-shaped
Which cell type can be found throughout all plant organs?
Sclereids
Fibers
Parenchyma
Collenchyma
