Smooth ER

Q.

What is membrane biogenesis?

Q.

Where do the lipids and proteins constituting the cell membrane get synthesized?

Q.

What is the function of RER (rough enoplasmic reticulum)and SER (smooth endoplasmic reticulum)?

Q.

Which of the following statements is/are not true about endoplasmic reticulum (ER)?

1. RER is involved in protein synthesis.
2. SER does not have ribosomes attached to it.
3. Endoplasmic reticulum is of two types: smooth and rough.

4. Endoplasmic reticulum is responsible for the degradation of cellular wastes.

Q.

The proteins and lipids, essential for building the cell membrane, are manufactured by:

1. Rough endoplasmic reticulum

2. Golgi apparatus

3. Plasma membrane

4. Mitochondira

Q. Which of the following cell organelles helps in synthesis of fat molecules, or lipids?

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

Q.

Ribosomes are present on the surface of which cell organelle?

1. Chloroplast

2. Mitochondria

3. Endoplasmic reticulum

4. Golgi complex

Q.

Lipid molecules in a cell are synthesized by

1. Smooth endoplasmic reticulum

2. Golgi apparatus

3. Rough endoplasmic reticulum

4. Plastids

Q.

Which cell organelles do take part in the formation of lysosomes?

1. Endoplasmic reticulum

2. Golgi bodies

3. Both (a) and (b)

4. Mitochondria

Q. Different between RER and SER.

Q.

Where do the lipids and proteins consisting the cell membrane get synthesized ?

Q.

Where are protein synthesis inside the cell

Q.

Question 40
Match the following A and B
$\begin{array}{cc}\text{A}& \text{B}\\ \text{(a) Smooth endoplasmic reticulum}& \text{(i) Amoeba}\\ \text{(b) Lysosome}& \text{(ii) Nucleus}\\ \text{(c) Nucleoid}& \text{(iii) Bacteria}\\ \text{(d) Food vacuoles}& \text{(iv) Detoxification}\\ \text{(e) Chromatin material and nucleolus}& \text{(v) Suicidal bag}\end{array}$

Q.

The only difference between the rough and smooth endoplasmic reticulum is the presence and absence of ___.

Q.

Where do lipids and proteins constituting the plasma membrane get synthesised ?

Q.

Question 6
Where do the lipids and proteins constituting the cell membrane gets synthesized?

Q.

Question 11
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?

(a) Golgi apparatus
(b) Lysosomes
(c) Smooth endoplasmic reticulum
(d) Vacuoles

Q.

The organelle which synthesises lipids in the cell is

1. Smooth endoplasmic reticulum

2. Rough endoplasmic reticulum

3. Golgi apparatus

4. Lysosome

Q.

What are the different types of endoplasmic reticulum?

Q.

Question 10
Find out the correct sentence.

(a) Enzymes packed in the Lysosomes are synthesized by the RER (rough endoplasmic reticulum).
(b) Rough endoplasmic reticulum and smooth endoplasmic reticulum produce lipids and proteins respectively.
(c) The endoplasmic reticulum is related to the destruction of plasma membrane.
(d) Nucleoid is present inside the nucleoplasm of the eukaryotic nucleus.

Q.

Where do the lipids and proteins constituting the cell membrane get synthesized?

Q.

Which of the following is not a characteristic of smooth endoplasmic reticulum?

1. Ribosomes are present on its membrane

2. Ribosomes are absent on its membrane

3. Spherical structures that contain hydrolytic enzymes

4. Involved in cellular respiration

Q.

11. Which cell organelle plays a crucial role in de-
toxifying many poisons and drugs in a cell?

(a) Golgi apparatus
(b) Lysosomes
(c) Smooth endoplasmic reticulum
(d) Vacuoles

1. (a) Golgi apparatus

2. (b) Lysosomes

3. (c) Smooth endoplasmic reticulum

4. (d) Vacuoles

Q. ___ differentiates the rough and smooth endoplasmic reticulum.

Q.

1) Where do the lipids and proteins constituting the cell membraneget synthesised?

Q.

__ differentiates the rough and smooth endoplasmic reticulum.

Q.

What is the relation between lysosomes and endoplasmic reticulum?

1. The enzymes of lysosomes are made by smooth endoplasmic reticulum

2. The enzymes of lysosomes are made by rough endoplasmic reticulum

3. There is no relation between them

4. The enzymes of endoplasmic reticulum are made by lysosomes

Q.

What makes smooth endoplasmic reticulum smooth?

Q.

Which of the following organelle is not membrane bound?

1. Ribosome

2. Lysosome

3. Vacuole

4. Chloroplast

Q.

The cell organelle involved in forming complex sugars from simple sugars

1. Endoplasmic reticulum

2. Ribosomes

3. Plastids

4. Golgi apparatus