WorksheetsCell & Tissue Basics
Total questions: 10
Worksheet time: 8mins
What is the basic structural and functional unit of all living organisms?
tissue
cell
molecule
organ
Which organelle is known as the powerhouse of the cell?
Mitochondria
Endoplasmic reticulum
Golgi apparatus
Ribosomes
What is the function of the cell membrane?
Helps in photosynthesis
Regulates body temperature
Stores genetic information
Controls the movement of substances in and out of the cell.
Pseudostratified (pseudo- = “false”) describes tissue with a single layer of irregularly shaped cells that give the appearance of more than one layer.
True
False
What are the main components of a cell's cytoplasm?
DNA, RNA, lipids
Organelles, cytosol, cytoskeleton
Endoplasmic reticulum, Golgi apparatus, lysosomes
Nucleus, mitochondria, ribosomes
What is the function of the endoplasmic reticulum in a cell?
Waste removal
Protein and lipid synthesis, and molecule transportation
Energy production
Cell division
Which of the following are characteristics of epithelial tissue, except?
Covers all free body surfaces and lines organs
Can regenerate easily.
Function: reserve fuel and retain heat.
Lacks blood vessels, obtains nutrients through diffusion from capillaries
Cell shapes can be squamous (flattened and thin), cuboidal (boxy, as wide as it is tall), or columnar (rectangular, taller than it is wide).
True
False
Which of the following are characteristics of areolar tissue, except?
Location: widely found under epithelia of body, surrounding organs and capillaries
Provides strength, elasticity, and support
Function: it wraps and cushion organs.
Location: lymph nodes, bone marrow and spleen
What are the different types of tissues found in the human body?
dermal
epithelial, connective, muscle, nervous
skeletal
vascular
