BIOLOGY
1.4: Cell, Tissue & Organs
A. Short Questions:
1. What is Tissue?
Answer: When a group of similar cells all work together to carry out a
particular function is called Tissue.
2. What is Organism?
Answer: Ling things, like animal cell and plant cell are called organism.
3. What is Onion epidermis and write down the function of epidemical cell
Answer: The Tissue which covers the surface of the layers inside the onion
is called Onion epidermis .The epidermal cells of onions provide a
protective layer against viruses and fungi that may harm the sensitive tissues .
4. What is ciliated epithelium?
Answer: Ciliated epithelium is a thin tissue that has hair-like structures on it.
5. What is the function of ciliated epithelium tissue?
Answer: To Protect lungs to trap dust and bacteria.
6. What are organs? Give Example.
Answer: The bodies of plants and animals contain many different parts are
called Organs.
Example: Brain, heart, leaves, roots and flowers etc
7. What are Organ systems?
Answer: A set of Organs that all work together to carry out the same
function is called an Organ system.
B. Fill in the blanks:
1. A group of similar cell is called………….
2. An …………is a structure made of many different tissue.
3. An……………….is a group of organs that carry out a particular function.
4. An …………..is a living things. It may contain many different Organ
systems.
5. The stomach is a example of an…………..
6. The heart and blood vessels are all part of the same……………
C. MCQ:
1.
a.
b.
c.
d.
Which is largest organ in our body?
Liver
Stomach
Heart
Pancreas
2. What is the term for cells grouped together to perform a specific
function?
a. Cell
b. Tissue
c. Organ
d. Organ system
3. What is the term smallest unit of life?
a. Cell
b. Tissue
c. Organ
d. Organ system
4. What is the term for tissues grouped together to perform a specific
function?
a. Cell
b. Tissue
c. Organ
d. Organ system
5. An organ found in the plant cell but not in the root hair cells
a. Chloroplast
b. mitochondria
c. cytoplasm
d. cell membrane
6. What is the term for organs grouped together to perform a specific
function?
a. Cell
b. Tissue
c. Organ
d. Organ system
7. What kind of cells helps carry oxygen around the body?
a. plant cell
b. xylem cell
c. Nerve cell
d. Red blood cell
8. Which cell transmits messages along the body?
a. plant cell
b. xylem cell
c. Neuron cell
d. Red blood cell
9. An Organ found in all cells but not in red blood cell?
a. mitochondria
b. Nucleus
c. cell wall
d. Lysosome
10. Red blood cell carry a protein called….
a. hemoglobin
b. Oxygen
c. Chloroplast
d. Nutrients
D. Drawing:
a. Onion epithelium
b. Ciliated epithelium