Q. What type of biomolecule is insulin?
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A.
Carbohydrate
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B.
Lipid
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C.
Protein
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D.
Nucleic acid
Solution
Insulin is a protein hormone that regulates glucose levels in the blood.
Correct Answer: C — Protein
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Q. What type of bond forms between the carboxyl group of one amino acid and the amino group of another?
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A.
Hydrogen bond
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B.
Ionic bond
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C.
Peptide bond
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D.
Disulfide bond
Solution
A peptide bond forms between the carboxyl group of one amino acid and the amino group of another, linking them together in a protein.
Correct Answer: C — Peptide bond
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Q. What type of bond is formed between amino acids in a protein?
-
A.
Ionic bond
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B.
Covalent bond
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C.
Hydrogen bond
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D.
Van der Waals forces
Solution
A covalent bond, specifically a peptide bond, is formed between amino acids in a protein.
Correct Answer: B — Covalent bond
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Q. What type of bond is formed between sodium and chlorine in NaCl?
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A.
Ionic bond
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B.
Covalent bond
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C.
Metallic bond
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D.
Van der Waals bond
Solution
NaCl is formed by an ionic bond due to the transfer of electrons from sodium to chlorine.
Correct Answer: A — Ionic bond
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Q. What type of bond is formed between the amino group of one amino acid and the carboxyl group of another?
-
A.
Ionic bond
-
B.
Hydrogen bond
-
C.
Peptide bond
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D.
Covalent bond
Solution
A peptide bond is formed between the amino group of one amino acid and the carboxyl group of another.
Correct Answer: C — Peptide bond
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Q. What type of bond is formed between two metal atoms?
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A.
Ionic bond
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B.
Covalent bond
-
C.
Metallic bond
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D.
Polar bond
Solution
Metallic bonds are formed between metal atoms, characterized by a 'sea of electrons' that are free to move.
Correct Answer: C — Metallic bond
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Q. What type of bond is primarily responsible for the secondary structure of proteins?
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A.
Ionic bonds
-
B.
Hydrogen bonds
-
C.
Covalent bonds
-
D.
Disulfide bonds
Solution
Hydrogen bonds are primarily responsible for the formation of secondary structures like alpha-helices and beta-pleated sheets in proteins.
Correct Answer: B — Hydrogen bonds
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Q. What type of bond links amino acids in proteins?
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A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Amino acids are linked by peptide bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links amino acids together in a protein?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Peptide bond
Solution
A peptide bond is a specific type of covalent bond that links amino acids together in proteins.
Correct Answer: D — Peptide bond
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Q. What type of bond links amino acids together in proteins?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Amino acids are linked by peptide bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links monosaccharides in a disaccharide?
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A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals bond
Solution
Monosaccharides in a disaccharide are linked by a covalent bond known as a glycosidic bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links monosaccharides in polysaccharides?
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A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Monosaccharides are linked by glycosidic bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bonding is present in alkanes?
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A.
Ionic bonding
-
B.
Covalent bonding
-
C.
Metallic bonding
-
D.
Hydrogen bonding
Solution
Alkanes are characterized by covalent bonding between carbon and hydrogen atoms.
Correct Answer: B — Covalent bonding
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Q. What type of carbohydrate is glucose?
-
A.
Disaccharide
-
B.
Monosaccharide
-
C.
Polysaccharide
-
D.
Oligosaccharide
Solution
Glucose is a monosaccharide, which is the simplest form of carbohydrates.
Correct Answer: B — Monosaccharide
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Q. What type of carbohydrate is starch?
-
A.
Monosaccharide
-
B.
Disaccharide
-
C.
Oligosaccharide
-
D.
Polysaccharide
Solution
Starch is classified as a polysaccharide, consisting of many glucose units.
Correct Answer: D — Polysaccharide
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Q. What type of carbohydrate is sucrose?
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A.
Monosaccharide
-
B.
Disaccharide
-
C.
Oligosaccharide
-
D.
Polysaccharide
Solution
Sucrose is a disaccharide composed of glucose and fructose.
Correct Answer: B — Disaccharide
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Q. What type of circuit is a potentiometer typically used in?
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A.
Series circuit
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B.
Parallel circuit
-
C.
Open circuit
-
D.
Closed circuit
Solution
A potentiometer is typically used in a closed circuit to measure voltage without drawing current.
Correct Answer: D — Closed circuit
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Q. What type of circuit is typically used in a potentiometer setup?
-
A.
Series circuit
-
B.
Parallel circuit
-
C.
Combination circuit
-
D.
Open circuit
Solution
A potentiometer setup typically uses a series circuit to ensure a constant current flows through the wire.
Correct Answer: A — Series circuit
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Q. What type of curves does the equation (x^2/a^2) + (y^2/b^2) = 1 represent?
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A.
Ellipses
-
B.
Circles
-
C.
Parabolas
-
D.
Hyperbolas
Solution
The equation (x^2/a^2) + (y^2/b^2) = 1 represents a family of ellipses with varying semi-major (a) and semi-minor (b) axes.
Correct Answer: A — Ellipses
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Q. What type of curves does the equation y = a + b cos(x) represent?
-
A.
Linear functions
-
B.
Cosine waves with varying amplitudes
-
C.
Parabolas
-
D.
Exponential functions
Solution
The equation y = a + b cos(x) represents cosine waves with varying amplitudes 'b' and vertical shifts 'a'.
Correct Answer: B — Cosine waves with varying amplitudes
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Q. What type of curves does the equation y = a e^(bx) represent?
-
A.
Linear functions
-
B.
Exponential functions
-
C.
Trigonometric functions
-
D.
Polynomial functions
Solution
The equation y = a e^(bx) represents a family of exponential functions with varying growth rates.
Correct Answer: B — Exponential functions
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Q. What type of curves does the equation y = a sin(bx + c) represent?
-
A.
Linear functions
-
B.
Exponential functions
-
C.
Trigonometric functions
-
D.
Polynomial functions
Solution
The equation y = a sin(bx + c) represents a family of trigonometric functions (sine waves) with varying amplitude (a) and frequency (b).
Correct Answer: C — Trigonometric functions
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Q. What type of curves does the equation y = a(x - h)^2 + k represent?
-
A.
Linear functions
-
B.
Parabolas
-
C.
Circles
-
D.
Ellipses
Solution
The equation y = a(x - h)^2 + k represents a family of parabolas with vertex at (h, k) and varying 'a' determining the direction and width.
Correct Answer: B — Parabolas
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Q. What type of curves does the equation y = e^(kx) represent?
-
A.
Linear functions
-
B.
Exponential functions
-
C.
Logarithmic functions
-
D.
Polynomial functions
Solution
The equation y = e^(kx) represents a family of exponential functions with varying growth rates (k).
Correct Answer: B — Exponential functions
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Q. What type of curves does the equation y = k/x represent?
-
A.
Hyperbolas
-
B.
Parabolas
-
C.
Circles
-
D.
Ellipses
Solution
The equation y = k/x represents a family of hyperbolas where k is a constant.
Correct Answer: A — Hyperbolas
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Q. What type of curves does the equation y = kx^2 represent?
-
A.
Straight lines
-
B.
Parabolas with varying widths
-
C.
Circles
-
D.
Ellipses
Solution
The equation y = kx^2 represents a family of parabolas that open upwards or downwards depending on the sign of 'k'.
Correct Answer: B — Parabolas with varying widths
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Q. What type of curves does the equation y = mx^3 + bx + c represent?
-
A.
Linear functions
-
B.
Cubic functions
-
C.
Quadratic functions
-
D.
Exponential functions
Solution
The equation y = mx^3 + bx + c represents a family of cubic functions with varying coefficients.
Correct Answer: B — Cubic functions
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Q. What type of curves does the equation y = mx^3 + bx^2 + cx + d represent?
-
A.
Linear functions
-
B.
Quadratic functions
-
C.
Cubic functions
-
D.
Quartic functions
Solution
The equation y = mx^3 + bx^2 + cx + d represents a family of cubic functions with varying coefficients.
Correct Answer: C — Cubic functions
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Q. What type of curves does the equation y = mx^3 + c represent?
-
A.
Linear functions
-
B.
Cubic functions
-
C.
Quadratic functions
-
D.
Exponential functions
Solution
The equation y = mx^3 + c represents a family of cubic functions where m is the coefficient of x^3.
Correct Answer: B — Cubic functions
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Q. What type of damping is characterized by the system oscillating with gradually decreasing amplitude?
-
A.
Underdamping
-
B.
Critical damping
-
C.
Overdamping
-
D.
No damping
Solution
Underdamping is characterized by oscillations with gradually decreasing amplitude.
Correct Answer: A — Underdamping
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