Physiology Holy Carp

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A mixed set of true/false, short, long, and matching questions to test key biology concepts.

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Brooke Hoelscher

Estados Unidos

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Physiology Holy Carp


Physiology Holy CarpVersión en línea A mixed set of true/false, short, long, and matching questions to test key biology concepts. por Brooke Hoelscher 1 True or False: The integrating center in a reflex arc processes the stimulus and determines the response. a True b Depends on the reflex c False d Cannot be determined 2 True or False: In a reflex arc, the effector is the muscle or gland that carries out the response. a The receptor b False c True d The sensor 3 Match the bond type with its description: Covalent bond. a A bond in metals only b Formed when atoms share electrons c Formed when ions are exchanged d Weak attraction between molecules 4 Match the bond type with its description: Ionic bond. a Formed by sharing electrons equally b Formed when one atom loses and another gains electrons c Occurs only in water d Weak attraction between nonpolar molecules 5 Match the bond type with its description: Hydrogen bond. a Weak attraction between a hydrogen atom and a highly electronegative atom b Ionic transfer of electrons c A strong covalent bond d Covalent sharing of electrons 6 Match the bond type with its description: Van der Waals force. a Strong ionic lattice bond b Permanent covalent bond c Weak attraction due to transient dipoles between molecules d Bond within metal lattice 7 Short Answer: Why does table salt (NaCl) dissolve in water? Provide the key idea. a Water heats the salt and dissolves it b Water’s polarity breaks ionic bonds by hydrating Na+ and Cl- ions c Water evaporates the salt d Salt reacts chemically to form gas 8 Short Answer: What is the functional difference between tissues and organs? a Tissues and organs are the same thing b Organs are smallest units; tissues are larger c Tissues are groups of similar cells; organs are made of multiple tissue types working together d Tissues are blood; organs are bones 9 Short Answer: Define homeostasis in one sentence. a Maintenance of internal stability in the body despite external changes b Reaction to a stimulus c Absorbtion of nutrients d Production of energy by cells 10 Long Answer: Explain how feedback mechanisms regulate physiological processes with an example. a Feedback only increases changes b Negative feedback reduces deviation (e.g., body temperature) by reversing the change; positive feedback amplifies (e.g., childbirth) until a endpoint is reached c Feedback does not affect body processes d Feedback mechanisms are the same as reflexes 11 True or False: An independent variable is deliberately changed by the experimenter. a False b True c Depends on the experiment d Sometimes true 12 True or False: The dependent variable is the variable measured in response to changes. a True b It is always the same as the independent c Depends on design d False 13 Short Answer: What is the chemical symbol for sodium? a So b Sn c Sd d Na 14 Short Answer: Which element is the most abundant in the human body by mass? a Oxygen (O) b Hydrogen (H) c Nitrogen (N) d Carbon (C) 15 True or False: Hydrogen bonds are strong covalent bonds within water molecules. a False b They are ionic bonds c They do not exist d True 16 Matching: Match the element symbol to the element name. a O — Oxygen b N — Nitrogen c C — Carbon d H — Hydrogen 17 Matching: Identify the ion formed when table salt dissolves in water. a Na2+ and Cl2- b Na+ and Cl- c Na2- and Cl2- d Na- and Cl+ 18 True or False: A control in an experiment is the standard for comparison. a Sometimes b Only in chemistry c False d True 19 Short Answer: What is the role of enzymes in chemical reactions? a They are consumed in reactions b They provide energy c They are structural supports d They act as biological catalysts to speed up reactions 20 True or False: A proton carries a positive charge. a Depends on isotope b Neutral c True d False 21 Short Answer: What is the charge of a neutron? a Negative b Positive c Neutral (no charge) d Variable 22 Short Answer: How many electrons can the first shell of an atom hold? a 2 b 4 c 6 d 8 23 True or False: Ionic compounds conduct electricity when dissolved in water. a True b Never c Only at high temperature d False 24 Long Answer: Describe the difference between prokaryotic and eukaryotic cells. a Eukaryotes have no membrane-bound organelles b Both lack nuclei c Prokaryotes are larger and more complex d Prokaryotes lack a nucleus and membrane-bound organelles; eukaryotes have a nucleus and organelles 25 Short Answer: What is the primary function of the nucleus in a cell? a Stores food b Synthesizes proteins only c Produces energy d Stores genetic material and directs cell activities 26 True or False: Proteins can have multiple levels of structure (primary, secondary, tertiary, quaternary). a Only primary b Only tertiary c True d False 27 Long Answer: Explain why lipids are important for cell membranes. a Lipids form a semipermeable bilayer that provides barriers and fluidity; they store energy and insulate b They are the only energy source c They do not interact with proteins d They are the same as carbohydrates 28 Short Answer: Name a function of carbohydrates in cells. a Provide quick energy and cell recognition b Catalyze reactions c Store genetic material d Drive all transport 29 True or False: Nucleic acids store and transmit genetic information. a True b They store energy only c False d They form membranes 30 Short Answer: Which organelle is known as the powerhouse of the cell? a Ribosome b Mitochondrion c Nucleus d Chloroplast 31 True or False: Chloroplasts are found in animal cells. a Sometimes b False c True d Only in bacteria 32 Matching: Match the organ system to its primary function. Respiratory system. a Nutrient transport b Hormone production c Gas exchange (O2 in, CO2 out) d Blood filtration 33 Matching: Match the organ system to its primary function. Digestive system. a Breaking down food and absorbing nutrients b Controlling body temperature c Circulating blood d Excreting waste only 34 Short Answer: What element is most associated with organic molecules in cells? a Zinc b Iron c Sodium d Carbon 35 Short Answer: What is the chemical symbol for potassium? a P b Pt c Ka d K 36 True or False: Water is a polar solvent that dissolves many salts. a True b False c Depends on temperature d Only nonpolar salts 37 Long Answer: Why do enzymes have optimal pH and temperature ranges? a Only temperature matters b Their structure is stabilized by specific conditions; deviations alter active sites and activity c pH does not affect enzyme shape d Enzymes are unaffected by environment 38 True or False: An atom with 11 protons, 12 neutrons, and 11 electrons is neutral overall. a True b Cannot determine c False d It is a cation 39 Short Answer: What is the charge of a proton in the nucleus? a Neutral b Positive c Cannot determine d Negative 40 True or False: A covalent bond involves the transfer of electrons between atoms. a True b Never in biology c False d Only in metals 41 Short Answer: What carries genetic information in cells? a Lipids b DNA (or RNA in some viruses) c Protein d Carbohydrates Feedback 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

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Physiology Holy CarpVersión en línea

por Brooke Hoelscher

True or False: The integrating center in a reflex arc processes the stimulus and determines the response.

True or False: In a reflex arc, the effector is the muscle or gland that carries out the response.

Match the bond type with its description: Covalent bond.

Match the bond type with its description: Ionic bond.

Match the bond type with its description: Hydrogen bond.

Match the bond type with its description: Van der Waals force.

Short Answer: Why does table salt (NaCl) dissolve in water? Provide the key idea.

Short Answer: What is the functional difference between tissues and organs?

Short Answer: Define homeostasis in one sentence.

Long Answer: Explain how feedback mechanisms regulate physiological processes with an example.

True or False: An independent variable is deliberately changed by the experimenter.

True or False: The dependent variable is the variable measured in response to changes.

Short Answer: What is the chemical symbol for sodium?

Short Answer: Which element is the most abundant in the human body by mass?

True or False: Hydrogen bonds are strong covalent bonds within water molecules.

Matching: Match the element symbol to the element name.

Matching: Identify the ion formed when table salt dissolves in water.

True or False: A control in an experiment is the standard for comparison.

Short Answer: What is the role of enzymes in chemical reactions?

True or False: A proton carries a positive charge.

Short Answer: What is the charge of a neutron?

Short Answer: How many electrons can the first shell of an atom hold?

True or False: Ionic compounds conduct electricity when dissolved in water.

Long Answer: Describe the difference between prokaryotic and eukaryotic cells.

Short Answer: What is the primary function of the nucleus in a cell?

True or False: Proteins can have multiple levels of structure (primary, secondary, tertiary, quaternary).

Long Answer: Explain why lipids are important for cell membranes.

Short Answer: Name a function of carbohydrates in cells.

True or False: Nucleic acids store and transmit genetic information.

Short Answer: Which organelle is known as the powerhouse of the cell?

True or False: Chloroplasts are found in animal cells.

Matching: Match the organ system to its primary function. Respiratory system.

Matching: Match the organ system to its primary function. Digestive system.

Short Answer: What element is most associated with organic molecules in cells?

Short Answer: What is the chemical symbol for potassium?

True or False: Water is a polar solvent that dissolves many salts.

Long Answer: Why do enzymes have optimal pH and temperature ranges?

True or False: An atom with 11 protons, 12 neutrons, and 11 electrons is neutral overall.

Short Answer: What is the charge of a proton in the nucleus?

True or False: A covalent bond involves the transfer of electrons between atoms.

Short Answer: What carries genetic information in cells?