Welcome to the Vacuoles MDCAT MCQs with Answers. In this post, we have shared Vacuoles Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Vacuoles MCQs in this MDCAT Online Test.
What is the primary function of vacuoles in plant cells?
a) Energy production
b) Storage of nutrients and waste products
c) Photosynthesis
d) Protein synthesis
Which type of vacuole is commonly found in plant cells and helps maintain turgor pressure?
a) Contractile vacuole
b) Food vacuole
c) Central vacuole
d) Phagocytic vacuole
In which type of cell are contractile vacuoles most commonly found?
a) Plant cells
b) Animal cells
c) Bacterial cells
d) Fungal cells
What is one of the main functions of vacuoles in animal cells?
a) Photosynthesis
b) Digestion of engulfed food particles
c) Storing water and nutrients
d) Producing ATP
Which structure in plant cells helps in regulating the amount of water inside the cell?
a) Lysosome
b) Mitochondrion
c) Central vacuole
d) Chloroplast
In which type of vacuole is the breakdown of macromolecules typically carried out?
a) Contractile vacuole
b) Food vacuole
c) Central vacuole
d) Phagocytic vacuole
What happens to the central vacuole when a plant cell is in a hypertonic solution?
a) It swells
b) It shrinks
c) It remains the same size
d) It disappears
What type of vacuole is involved in removing excess water from certain protists?
a) Central vacuole
b) Food vacuole
c) Contractile vacuole
d) Phagocytic vacuole
Vacuoles are involved in which process in plant cells?
a) Cellular respiration
b) Photosynthesis
c) Turgor pressure maintenance
d) Protein synthesis
Which of the following best describes the central vacuole?
a) Small and numerous in animal cells
b) Large and centrally located in plant cells
c) Found only in bacterial cells
d) Small and located at the periphery in plant cells
Which type of vacuole stores pigments and helps in flower coloration?
a) Contractile vacuole
b) Food vacuole
c) Central vacuole
d) Pigment vacuole
How do vacuoles contribute to cell growth in plants?
a) By synthesizing proteins
b) By expanding and increasing cell volume
c) By storing genetic information
d) By producing energy
Which organelle often merges with vacuoles to digest macromolecules in animal cells?
a) Mitochondrion
b) Lysosome
c) Ribosome
d) Endoplasmic reticulum
What type of vacuole is commonly found in amoeba and other protists for digestion?
a) Central vacuole
b) Food vacuole
c) Contractile vacuole
d) Phagocytic vacuole
In which type of cell do vacuoles generally store waste products?
a) Plant cells
b) Animal cells
c) Bacterial cells
d) Fungal cells
The function of contractile vacuoles can be best described as:
a) Storing nutrients
b) Maintaining turgor pressure
c) Removing excess water
d) Digestion of food
In plant cells, what is one of the roles of the central vacuole besides storing nutrients?
a) Energy production
b) Photosynthesis
c) Waste detoxification
d) DNA replication
What is the role of vacuoles in maintaining cell shape in plants?
a) They help with cell division
b) They provide structural support
c) They produce energy
d) They synthesize proteins
Vacuoles in which type of cells are often involved in the removal of excess ions?
a) Animal cells
b) Plant cells
c) Bacterial cells
d) Fungal cells
The central vacuole is surrounded by a membrane known as the:
a) Tonoplast
b) Plasma membrane
c) Nuclear envelope
d) Endoplasmic reticulum
Which of the following types of vacuoles is involved in digestion and is found in protists?
a) Contractile vacuole
b) Food vacuole
c) Central vacuole
d) Pigment vacuole
Which vacuole type is involved in osmoregulation in freshwater protozoans?
a) Contractile vacuole
b) Central vacuole
c) Food vacuole
d) Pigment vacuole
What structure within plant vacuoles helps in storing toxic compounds?
a) Chlorophyll
b) Tannins
c) Mitochondria
d) Ribosomes
Vacuoles in which type of cells often play a role in intracellular digestion?
a) Animal cells
b) Plant cells
c) Bacterial cells
d) Fungal cells
Which type of vacuole is involved in storing lipids in certain plant cells?
a) Contractile vacuole
b) Central vacuole
c) Food vacuole
d) Oil vacuole
What is the main function of pigment vacuoles in flowers?
a) Storing nutrients
b) Absorbing light
c) Providing color
d) Digestion of proteins
Vacuoles in which of the following cells are often used to store enzymes?
a) Plant cells
b) Animal cells
c) Bacterial cells
d) Fungal cells
The primary role of vacuoles in bacterial cells is:
a) Storage of genetic material
b) Digestion of macromolecules
c) Energy production
d) None of the above
Which type of vacuole helps in detoxifying harmful substances in plant cells?
a) Central vacuole
b) Contractile vacuole
c) Food vacuole
d) Pigment vacuole
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