Vacuoles

Q.

Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.

Q.

Which one of the following structures is an organelle within an organelle?

1. Ribosome

2. ER

3. Mesosome

4. Peroxisome

Q.

Which of the following is not a function of a vacuole?

1. Storage

2. Providing turgidity and rigidity to the cell

3. Waste excretion

4. Locomotion

Q. Peroxisomes, glyoxysomes and spherosomes are examples of

1. non-membrane bound organelles
2. single membrane-bound organelles
3. double membrane-bound organelles
4. inclusion bodies

Q.

What are cytoplasmic inclusions?

Q.

Explain the components of Golgi bodies with a neat sketch.

Q. The vacuole occupies nearly 90% of the cell volume in

1. bacterium
2. Amoeba
3. onion cell
4. virus

Q. Peroxisomes, glyoxysomes and spherosomes are examples of

1. non-membrane bound organelles
2. single membrane-bound organelles
3. double membrane-bound organelles
4. inclusion bodies

Q. Three morphological forms of golgi complex are

1. Lamellae, tubules and vesicles
2. Cisternae, tubules and vesicles
3. Cisternae, tubules and lamellae
4. Granum, thylakoids and vesicles

Q.

The osmotic expansion of a cell kept in water is chiefly regulated by

1. Plastids

2. Vacuoles

3. Ribosomes

4. Mitochondria

Q. Which one of the following is the correct labelling of given structure of Golgi apparatus?

1. A-Cisternae, B-Vesicle, C-cis face, D-trans face
2. A-Cisternae, B-Vesicle, C-trans face, D-cis face
3. A-Tubules, B-Vesicle, C-trans face, D-cis face
4. A-Vesicle, B-Cisternae, C-cis face, D-trans face

Q.

Which of the following is not a cell organelle?

1. Ribosome

2. Microsome

3. Mitochondria

4. Golgi complex

Q. What does the cell vacuole contain?

1. Only Water
2. Metabolic gases
3. Water and dissolved substances
4. Cytoplasm

Q.

Differentiate between lysosome and vacuole.

Q. The membrane covering the vacuole is called

1. cell membrane
2. tonoplast
3. plasmalemma
4. cell wall

Q.

The main difference between plant cells and animal cells is

1. Plant cells lack chloroplast which is found in animals cells
2. Animal cells have a thick cell wall, plant cells lack
3. Vacuoles are small and many in animal cell and single large in plant cell
4. None of the above

Q. Select the correct option for types of Lysosomes.

1. P - Primary Lysosome ; Q - Residual body ; R - Digestive Vacuole ; S - Autophagosome
2. P - Autophagosome ; Q - Primary lysosome ; R - Residual body ; S - Secondary Lysosome
3. P - Primary Lysosome ; Q - Digestive Vacuole ; R - Residual body ; S - Autophagic vacuole
4. P - Residual body ; Q - Digestive Vacuole ; R - Primary lysosome ; S - Autophagosome

Q. Vacuole in a plant cell

1. Is membrane bound and contains water and excretory substance
2. Is membrane bound and contains storage proteins and lipids
3. Lack membrane and contains
4. Lacks membrane and contains water and excretory substance

Q. Autophagic vacuoles digest

1. cell organelles
2. Fluid droplets of pinosomes
3. Solid particles of phagosomes
4. All the above

Q. What is the function of the contractile vacuole?

1. Respiration
2. Digestion
3. Excretion
4. Nutrition

Q. Vacuoles in plants are covered by a membrane called __ .

Q.

The cell sap of vacuole contains dissolved___ and _____.

Q.

Question 10

The membrane surrounding the vacuole is called

1. Plasma membrane

2. Nuclear membrane

3. Tonoplast

4. Cell wall

Q.

Name the membrane-bound sacs in the cytoplasm of animal cell that contain digestive enzymes.

Q.

Question 9

What is a tonoplast?

(a) Outer membrane of mitochondria

(b) Inner membrane of chloroplast

(c) Membrane boundary of the vacuole of plant cells

(d) Cell membrane of a plant cell

Q. Which of the following statements is NOT correct about centrioles?

1. Animal cells have two centrioles
2. Centrioles are found in animal cells but not in plant cells.
3. The two centrioles lie parallel to each other.
4. Centrioles lie within the centrosome.

Q.

What is the habitat of Escherichia coli?

Q. State whether the following statements are true or false.
(iii) Most mature plant cells have a large central vacuole that stores important substances including wastes.

Q. Mode of nutrition in Paramecium is

1. Holophytic
2. Holozoic
3. Saprophytic
4. Saprozoic

Q. Three morphological forms of Golgi complex are:

1. Lamellae, tubules and vesicles
2. Cisternae, tubules and vesicles
3. Cisternae, tubules and lamellae
4. Granum, thylakoids and vesicles