Function of Cell Membrane

Q.

Describe the structure of Endoplasmic Reticulum

Q. Which of the following is a function of plasma membrane

1. Protect the cell from its surrounding
2. selectively permeable to ions and organic molecules
3. regulates the movement of substances in and out of cells.
4. All of the above

Q.

What are the different names of the plasma membrane?

Q.

Where is the smooth endoplasmic reticulum located?

Q. Fill in the blanks in each question.​

​Cell membrane is chemically made up of ________ and _______.​

Q.

What purpose(s) does endoplasmic reticulum serve in a cell?

1. It protects the internal organelles

2. It is involved in intracellular transport

3. It provides attachment sites for ribosomes

4. It provides increased surface area inside the cell

Q. Sarcoplasmic reticulum is endoplasmic reticulum of

1. Adipose cells
2. Muscle cells
3. Nerve cells
4. Leucocytes

Q. Assertion: Multicellular organisms are made up of multiple cells instead of one.

Reason: Plasma membrane of a single large cell of the organism would not be able to serve the cytoplasm inside it efficiently.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. The assertion is true but reason is false
3. Both the assertion and reason are false
4. The assertion is false but the reason is true

Q. A membrane-lined system of channels present throughout the cytoplasm is

1. Endoplasmic reticulum
2. Golgi apparatus
3. Microtubules
4. Both B and C.

Q.

Give one important function of the plasma membrane.

Q.

Why is rough ER important?

Q. Which of the following cell organelle plays a crucial role in detoxifying poisons and drugs in a cell?

1. Smooth endoplasmic reticulum
2. Vacuoles
3. Golgi apparatus
4. Lysosomes

Q. what would have happened if there would be no plasma membrane

Q.

1. II, I, IV, III
2. I, II, III, IV
3. III, II, IV, I
4. II, I, III, IV
5. IV, III, II, I

Q.

What is plasma membrane ?

Q. why cell membrane is called as plasma membrane. What is significance of word plasma?

Q. The fluid nature of the plasma membrane is important for

1. Cell growth
2. Formation of intercellular junctions
3. Preventing the plant cell from busting
4. Both (1) and (2)

Q. What is the main difference between selectively semipermeable membrane and semipermeable membrane?

Q. Assertion: Multicellular organisms are made up of multiple cells instead of one.

Reason: Plasma membrane of a single large cell of the organism would not be able to serve the cytoplasm inside it efficiently.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. The assertion is true but reason is false
3. Both the assertion and reason are false
4. The assertion is false but the reason is true

Q. Which of the following statements is not true for the cell membrane?

1. It is present in both plant and animal cells
2. Carbohydrates are never found in it
3. Lipids are present in it as bilayer
4. Proteins may be peripheral or integral in it

Q. The cell organell which is meant for the transportation of protein between regions of cytoplasm is ___________

1. Nucleus
2. Lysosomes
3. Endoplasmic reticulum
4. Golgi complex

Q.

What purpose(s) does endoplasmic reticulum serve in a cell?

1. It is involved in intracellular transport

2. It protects the internal organelles

3. It provides attachment sites for ribosomes

4. It provides increased surface area inside the cell

Q. Which of the following can be traced in phospholipids of brain tissue and soybeans?

1. Phosphoinositides
2. Cholesterol
3. Phosphoglycerides
4. None of the above

Q. Define biological membrane?

Q. Which of the following cell structures do not contain protein tubulin?

1. Centrioles.
2. Endoplasmic reticulum.
3. Flagella.
4. Cilia.

Q. Which one of the following is not considered as a part of the endomembrane system?

1. Lysosome
2. Vacuole
3. Peroxisome
4. Golgi complex

Q. what is the different between plasma membrane and cell membrane.explain by giving 3-D diagram.

Q. The proteins and lipids, essential for building the cell membrane, are manufactured by :
A. Endoplasmic reticulum
B. Golgi apparatus
C. Plasma membrane
D. Mitochondria

Q. Which of the following statements are true about Endoplasmic Reticulum?

1. Smooth Endoplasmic Reticulum makes lipids
2. It is called the control centre of the cell.
3. Rough endoplasmic reticulum makes fats
4. It is double membrane bound

Q.

Describe the functions of the plasma membrane.