Biology Chapter 5: Cell Structure and Function

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Questions and Answers

What is the primary function of a sperm cell?

To absorb nutrients

To reproduce (correct)

To transport oxygen

To aid in respiration

Which structure is crucial for a sperm cell to swim towards an egg?

Flagellum (correct)

Acrosome

Mitochondria

Nucleus

What is a characteristic of egg cells during fertilization?

Contain enzymes to penetrate

Are diploid in nature

Have a flagellum for movement

Change their jelly coat (correct)

What is the smallest unit that performs all life processes?

Cell Signup and view all the answers

Which of the following is an organ system found in humans?

Respiratory system Signup and view all the answers

Which organ is NOT part of the digestive system?

Liver Signup and view all the answers

What do tissues consist of?

Groups of cells Signup and view all the answers

What are the main organs in plants?

Leaves, stems, and roots Signup and view all the answers

What is the primary role of ribosomes in cells?

To synthesize proteins Signup and view all the answers

Which of the following structures is unique to plant cells?

Cell wall Signup and view all the answers

What is the function of chloroplasts in plant cells?

Production of glucose through photosynthesis Signup and view all the answers

What characterizes bacterial cells compared to plant and animal cells?

Circular DNA not contained in a nucleus Signup and view all the answers

Which of the following statements about the cell membrane is true?

It controls the entry and exit of substances Signup and view all the answers

What is the primary function of vacuoles in plant cells?

Providing turgor pressure and maintaining cell shape Signup and view all the answers

What is the role of enzymes in the context of cell activity?

To facilitate biochemical reactions Signup and view all the answers

What distinguishes plasmids within bacterial cells?

They contain genes for antibiotic resistance Signup and view all the answers

Which of the following defines movement in living organisms?

Action by all or part of an organism that causes a change in position Signup and view all the answers

What is the primary process defined as respiration in living organisms?

Chemical reactions that break down nutrient molecules to release energy Signup and view all the answers

Sensitivity in living organisms is best described as:

The ability to detect and respond to changes in the environment Signup and view all the answers

Growth in living organisms is characterized by which of the following?

Permanent increase in size and dry mass Signup and view all the answers

What does reproduction in living organisms entail?

Processes that create more organisms of the same kind Signup and view all the answers

Excretion is defined as which of the following?

The removal of waste products from metabolism Signup and view all the answers

Nutrition in living organisms is defined as:

Taking in materials for energy, growth, and development Signup and view all the answers

Which acronym can help recall the characteristics of living organisms?

MRS GREN Signup and view all the answers

Which characteristic of living organisms involves detecting environmental changes?

Sensitivity Signup and view all the answers

Which of the following is NOT considered a characteristic of living organisms?

Spontaneous generation Signup and view all the answers

Study Notes

### Co-ordinated Sciences Revision Guide

This is a revision guide for Cambridge IGCSE Co-ordinated Sciences, specifically for the 0973/0654 Core & Extended Assessment, 2nd Edition.

### About SwH Learning

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### About the Authors

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He has a degree in Natural Sciences from the University of Cambridge and specializations in pathology and biological anthropology.

### Contents (Biology)

B1. Characteristics and classification of living organisms
B1.1 Characteristics of living organisms
B2 Organisation of the organism
B2.1 Cell structure
B2.2 Size of specimens
B3 Movement into and out of cells
B3.1 Diffusion
B3.2 Osmosis
B3.3 Active transport
B4 Biological molecules
B4.1 Biological molecules
B5 Enzymes
B5.1 Enzymes
B6 Plant nutrition
B6.1 Photosynthesis
B6.2 Leaf structure
B7 Human nutrition
B7.1 Diet
B7.2 Digestive system
B7.3 Digestion
B8 Transport in plants
B8.1 Xylem and phloem
B8.2 Water uptake
B8.3 Transpiration
B8.4 Translocation
B9 Transport in animals
B9.1 Circulatory systems
B9.2 Heart
B9.3 Blood vessels
B9.4 Blood
B10 Diseases and immunity
B10.1 Diseases and immunity
B11 Gas exchange in humans
B11.1 Gas exchange in humans
B12 Respiration
B12.1 Respiration
B13 Coordination and response
B13.1 Coordination and response
B13.2 Hormones
B13.3 Homeostasis
B14 Drugs
B14.1 Drugs
B15 Reproduction
B15.1 Asexual reproduction 
B15.2 Sexual reproduction 
B15.3 Sexual reproduction in plants 
B15.4 Sexual reproduction in humans 
B15.5 Sexually transmitted infections
B16 Inheritance 
B16.1 Chromosomes and genes
B16.2 Cell division
B16.3 Monohybrid inheritance
B17 Variation and selection
B17.1 Variation
B17.2 Selection
B18 Organisms and their environment
B18.1 Energy flow 
B18.2 Food chains and food webs
B18.3 Nutrient cycles
B19 Human influences on ecosystems
B19.1 Habitat destruction
B19.2 Conservation

### Contents (Chemistry)

C1 States of matter
　C1.1 Solids, liquids and gases
　C2 Atoms, elements and compounds
　C2.1 Elements, compounds and mixtures
　C2.2 Atomic structure and the Periodic Table
　C2.3 Isotopes
　C2.4 lons and ionic bonds
　C2.5 Simple molecules and covalent bonds
　C2.6 Giant covalent structures 
　C2.7 Metallic bonding 
　C3 Stoichiometry
　C3.1 Formulas 
　C3.2 Relative masses of atoms and molecules 
　C3.3 The mole and the Avogadro constant
　C4 Electrochemistry
　C4.1 Electrolysis
　C4.2 Hydrogen-oxygen fuel cells
　C5 Chemical energetics
　C5.1 Exothermic and endothermic reactions
　C6 Chemical reactions
　C6.1 Physical and chemical changes
　C6.2 Rate of reaction
　C6.3 Redox
　C7 Acids, bases and salts
　C7.1 The characteristic properties of acids and bases
　C7.2 Oxides 
　C7.3 Preparation of salts
　C8 The periodic table
　C8.1 Arrangement of elements
　C8.2 Group I properties
　C8.3 Group VII properties 
　C8.4 Transition elements
　C8.5 Noble gases
　C9 Metals
　C9.1 Properties of metals
　C9.2 Uses of metals 
　C9.3 Alloys and their properties 
　C9.4 Reactivity series 
　C9.5 Corrosion of metals
　C9.6 Extraction of metals 
　C10 Chemistry of the environment 
　C10.1 Water 
　C10.2 Air quality and climate 
　C11 Organic chemistry 
　C11.1 Formulae, functional groups and terminology 
　C11.2 Naming organic compounds 
　C11.3 Fuels
　C11.4 Alkanes
　C11.5 Alkenes 
　C11.6 Alcohols
　C11.7 Polymers
　C12 Experimental techniques and chemical analysis
　C12.1 Experimental design
　C12.2 Acid-base titrations 
　C12.3 Chromatography
　C12.4 Separation and purification 
　C12.5 Identification of ions and gases

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Description

Test your knowledge on cell structure, function, and processes in this quiz focused on Biology Chapter 5. From sperm cells to plant cell characteristics, explore the essential functions and unique features of various cell types. Challenge yourself and deepen your understanding of cellular biology.