The Cell - Structural and Functional Unit of Life

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The Cell - Structural and Functional Unit of Life - II

Description: The Cell - Structural and Functional Unit of Life - II
Number of Questions: 20
Created by: Sanjiv Memon
Tags: The Cell - Structural and Functional Unit of Life - II Lysosomes Functions Endoplasmic Reticulum (ER), RER & SER, Functions of ER Mitochondria Functions Golgi Apparatus its Functions Nucleus Structure Functions of Nucleus Plastids, Types & Function Importance of Cells in Living Organisms

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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

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The Cell - Structural and Functional Unit of Life - II

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