The Cell - Structural and Functional Unit of Life - II
Comprehensive quiz covering cell organelles, their structures, functions, and cellular processes including mitochondria, lysosomes, nucleus, endoplasmic reticulum, Golgi apparatus, plastids, centrosomes, chromatin, and prokaryotic vs eukaryotic cell characteristics.
Questions
Which of the following cell organelles has its own DNA?
- Golgi apparatus
- Ribosome
- Centrosome
- Mitochondrion
Which of the following organelles is called the 'powerhouse of a cell'?
- Nucleus
- Ribosome
- Mitochondrion
- Lysosome
Which of the following forms acrosome of a sperm?
- Mitochondrion
- Golgi apparatus
- Endoplasmic reticulum
- Vacuole
Which of the following functions is carried out by mitochondrion?
- Release of energy
- Synthesis of essential fatty acids
- Detoxification
- Synthesis of proteins
Which of the following organelles serves as a channel for the transport of materials between various regions of the cytoplasm or between the cytoplasm and the nucleus?
- Cell membrane
- Cytosol
- Ribosome
- Endoplasmic reticulum
Which of the following cell organelles form the waste disposal system of a cell?
- Lysosomes
- Vacoules
- Plastids
- Mitochondria
- Endoplasmic reticulum
Which of the following purposes is served by the inner membrane of mitochondria?
- To provide large surface area for ATP generation
- To provide a site for protein synthesis
- To provide a site for attachment of endoplasmic reticulum
- To provide a site for attachment of ribosomes
Which of the following functions is not carried out by lysosomes?
- Intracellular digestion
- Destruction of foreign substances
- Storage of starch
- Digestion of cartilage
Which of the following is NOT a characteristic of centrosome?
- It is present in animal cells only.
- It contains one or two centrioles.
- It participates in protein synthesis.
- It forms spindle fibres with the help of asters.
- It has a central role in making cilia and flagella
Which of the following is a constituent of chromatin fibres?
- DNA
- RNA
- Lipids
- Spindles
Which of the following cell structures dictate(s) ribosomes to synthesise proteins?
- Plastids
- Mitochondria
- Nucleolus
- Golgi apparatus
- Lysosome
Which of the following functions is not carried out by plastids?
- Trapping solar energy
- Imparting colour to leaves
- Storage of starch
- Regulation of cell functions
- Synthesis of fatty acids and terpenes
Which of the following consists a nucleoid?
- Nucleus
- Nucleolus
- Plastid
- Bacteria
Which of the following helps in repair of damaged tissue?
- Cell division
- Cell contractility
- Cell secretion
- Cell movement
- Cell differentiation
Which of the following is the site for forming and storing RNA?
- Cytosol
- Chromosomes
- Nucleolus
- Nucleoid
Which of the following statements is not true?
- Functional segments of DNA are called genes.
- Chromatin material is organised to form chromosomes during cell division.
- Chromosomes are composed of DNA and proteins.
- Organisms lacking nuclear membrane are called eukaryotes.
Which of the following organelles are called ‘suicidal bags’ of a cell?
- Lysosomes
- Centrosomes
- Plastids
- Mitochondria
Which of the following helps in circulation of blood?
- Cell division
- Cell contractility
- Cell secretion
- Changing water content of cells
- Cell differentiation
Which of the following organelles is the most vital for the survival of a cell?
- Nucleus
- Cytoplasm
- Mitochondria
- Endoplasmic reticulum
Which of the following organelles is responsible for detoxifying poisons and drugs in liver cells?
- Rough endoplasmic reticulum
- Smooth endoplasmic reticulum
- Golgi apparatus
- Mitochondrion