Organelles

Q.

Which of the following are double membrane-bound organelles?

1. Nucleus

2. Plastids

3. Endoplasmic Reticulum

4. Lysosome

Q.

The living part of the cell which consists of the nucleus, the cytoplasm and other living bodies is called ______.

1. Cytoplasm

2. Protoplasm

3. Nucleoplasm

4. Protoplast

Q.

Organelles that are surrounded by two membranes are

1. nucleus and mitochondria

2. nucleus and Golgi bodies

3. endoplasmic reticulum and lysosomes

4. endoplasmic reticulum and mitochondria

Q.

Name the cell organelle which helps in the transportation of material.

Q.

Explain the structure and function of the following organelles?

(a) Chloroplast

(b) Endoplasmic reticulum

(c) Mitochondria

(d) Nucleus

Q.

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

1. Endoplasmic reticulum is of two types: smooth and rough.

2. RER is involved in protein synthesis.

3. The endoplasmic reticulum is not responsible for the degradation of cellular wastes.

4. SER does not have ribosomes attached to it.

Q.

What is the difference between sarcoplasmic reticulum and endoplasmic reticulum?

Q.

Which of the following is found in plant cells but not animal cells?

1. Cell wall

2. Nucleus

3. Endoplasmic reticulum

4. Mitochondria

Q.

Do animal cells have Golgi apparatus?

Q. what is alveolar sac and what function it is doing

Q. Which of the following statement is correct regarding opening and closing of stomata?
(i) Stomata opens when guard cells are turgid.
(ii) Stomata closes when guard cells are turgid.
(iii) Stomata opens when guard cells are flaccid.
(iv) Stomata closes when guard cells are flaccid.

1. ii and iii
2. i and iv
3. i and ii
4. iii and iv

Q.

Plants have denser cytoplasm compared to plant cells.

1. True

2. False

Q.

Name the cell organelle concerned with ATP production.

Q.

Are mitochondria a part of the endomembrane system?

Q.

Are plastids present in all cells? Mention its types. [3 MARKS]

Q. Assertion :Prokaryotic cells have no membrane bound organelles. Reason: The cytoplasm of prokaryotic cells does not show streaming movement.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Assertion is correct but Reason is incorrect.
   
3. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
   
4. Both Assertion and Reason are incorrect.

Q.

All the following are organelles of the cell except:

1. Plastids

2. Golgi

3. ER

4. resins

Q.

Why do plant cells need cell walls? What is it made up of? [2 MARKS]

Q. What is study of tissue called?

1. Pathophysiology
2. Anatomy
3. Miorphology
4. Histology

Q. Why plant cell have more number of golgi bodies than animal cell?

Q.

Double membrane bound cell organelles

Q.

Thin cytoplasmic projections of the cyton.

Enter 1 word only

Q. Are all the cellular components alive? Give reason in support of your answer.

Q. Which of the following have a cell wall that prevents them from bursting?

1. Fungi
2. Red blood cell
3. Bacteria
4. Both A and B

Q.

DIRECTIONS: On the basis of following diagram/picture answer the questions given below:

Identify the parts labelled P, Q and R in the diagram of a root hair, shown below.

1. P - Vacuole, Q - Nucleus, R - Cell wall

2. P - Protoplasm, Q - Nucleus, R - Cell membrane

3. P - Mitochondria, Q - Nucleus, R - Cell wall

4. P - Nucleus, Q - Vacuole, R - Cell wall

Q. Cell organelles are present in the cytoplasm of a cell.

1. True
2. False

Q.

Cellular components are non living.give reason

Q.

Which of the following is present inside the mitochondria?

1. Cristae

2. Vacuole

3. Plastids

4. Cisternae

Q. Which of the following is used to fuse adjacent plasma during hybridoma technology?

1. Polyethylene glycol
2. Calcium chloride
3. Ploy butylene glycol
4. Magnesium chloride

Q.

Which of the following organelles is/are double-membraned?

1. Lysosomes

2. Chloroplasts

3. Mitochondria

4. Golgi body