Structure and Functions of a Cell
Practice questions covering cell structures, organelles, and their functions including nucleus, chromatin, mitochondria, Golgi apparatus, lysosomes, plasma membrane, and cell membranes.
Questions
Which of the following is called 'energy currency of a cell'?
- Mitochondrion
- Lysosome
- DNA
- ATP
Which of the following is not a 'single-celled' animal?
- Human being
- Amoeba
- Paramecium
- Trichonympha
Which of the following statements is false about cisternae?
- They are flattened structures.
- They are spherical and fluid filled structures.
- They are membranous structures.
- They are found in golgi bodies.
Chromatin is a material found in ________ of the cell.
- cell wall
- nucleus
- cytoplasm
- DNA
In what form is the chromatin material found in nucleus?
- In thread like structure
- In the form of fluid
- Membrane bound structure
- In coloured form
What is the position of genes in a cell?
- In cytoplasm
- On plasma membrane
- In plastids
- Along the chromosomes
A nucleolus mainly contains
- granular dense fluid
- pigments
- cellulose
- ribonucleic acid
At the time of cell division, which material forms chromosomes?
- Chromatin material
- Cellulose
- ATP
- RNA
Which of the following is not performed by Golgi apparatus?
- Storage
- Formation of sugars
- Formation of cell plate
- Mechanical support to cell
The term coined for 'barrier between protoplasm and outer environment' in an animal cell is
- plasma membrane
- cell wall
- nuclear membrane
- tonoplast
Which of the following organelles is common in both plant and animal cells?
- Cell wall
- Large vacuole
- Chloroplast
- Endoplasmic reticulum
Which of the following is not true about a cell?
- A cell has four functional regions.
- A cell is the basic unit of all organisms.
- Cell is alive.
- Robert Hook discovered the cell.
Which of the following organelles has its own DNA and ribosome like mitochondria?
- Stroma
- Golgi apparatus
- Vacuoles
- Endoplasmic reticulum
Why are cell organelles important for a cell?
- For cell protection
- Gives shape and size
- Basic unit of a organism
- Functional unit of a cell
Which statement is not related to nucleus?
- Robert Brown discovered the nucleus.
- It is the largest cell structure.
- It contains plastids.
- It is centrally located in a cell.
'All cells arise from pre-existing cells'. Who proposed this statement?
- Virchow
- Robert Hook
- Leuwenhoek
- Robert Brown
Plasmolysis phenomenon takes place due to
- endosmosis
- diffusion
- absorption
- exosmosis
Plastids are present in
- protozoan euglena
- human beings
- nerve cells
- an ostrich egg
Which of the following is concerned with the transport of proteins?
- Smooth endoplasmic reticulum
- Chloroplast
- Tubes and sheets
- Rough endoplasmic reticulum
Which of the following structures is non-living in a cell?
- Plasma membrane
- Nucleus
- Protoplasm
- Cell wall
Which of the following statements defines the term 'division of labour'?
- Movement of a substance from one region to another
- The passage of water from a region of higher concentration through a semi -permeable membrane
- Release of energy
- Organism have different organs for different functions
Which of the following cell organelles does not have two types of structures?
- Endoplasmic reticulum
- Plastids
- Ribosomes
- Mitochondria
____________ are present in lysosomes.
- Hydrolytic enzymes
- Amino acids
- Toxic metabolic products
- ATP
Which of the following is a common factor in cells and machines?
- Synthesis of substances
- Digestion of substances
- Living in nature
- Structural organisation
Which of the following organelles is also called as 'Internal transport system'?
- Endoplasmic reticulum
- Mitochondria
- Ribosomes
- Lysosomes