1. What are considered the basic building blocks of all living organisms ?
a) tissues b) organs c) cells d) organ systems
Answer
c) cells
2. What is a "tissue" ?
a) a group of organs working together for a function
b) a group of cells with similar structure and function
c) a group of organ systems coordinating activities
d) a group of different species living together
Answer
b) a group of cells with a similar structure and function.
3. What is an "organ" ?
a) a group of cells with similar structure and function
b) a group of tissues performing a specific function
c) a group of organ systems working together
d) a group of organisms living in the same habitat
Answer
b) a group of tissues performing a specific function
4. Which of the following shows the correct order of structures from smallest to largest ?
a) Organism, Organ System, Organ, Cell
b) Cell, Tissue, Organ, Organ System
c) Tissue, Organ System, Cell, Organism
d) Organ, Cell, Organ System, Organism
Answer
b) Cell, Tissue, Organ, Organ System
5. The figure below shows different groups of cells found in the human body.
What do these groups of cells represent ?
a) organelles that carry out different functions
b) organs that carry out different functions
c) systems that carry out specific life processes
d) tissues that carry out a specific function
Answer
d) tissues that carry out a specific function
6. Give some examples of organs.
Answer
Brain, heart, lungs, liver, kidneys, leaf, root, ...
7. Which of the following is not an example of an organ system ?
a) skeletal system b) circulatory system c) digestive system d) nervous system
Answer
a) skeletal system
8. Which order is correct according to increasing complexity in the organism ?
a) digestive system, skin, heart muscle, nerve cell
b) nerve cell, heart muscle, skin, digestive system
c) skin, nerve cell, digestive system, heart muscle
d) heart muscle, nerve cell, digestive system, skin
Answer
b) nerve cell, heart muscle, skin, digestive system
9. Which of the following parts of a plant are complex tissues ?
a) lower leaf epidermis and phloem
b) lower leaf epidermis and xylem
c) phloem and xylem
d) plants do not have complex tissues
Answer
a) lower leaf epidermis and phloem