Which one of the following is a bio molecule...? Mcqs

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Which one of the following is a bio molecule...?

(A) Formic Acid
(B) Tartic Acid

(C) Glutamic Acid
(D) Glutaric Acid

✅ Correct Answer: Glutamic Acid

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Source: This question is taken from the Everyday Science

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Phosphorus is an essential component of one of the following biological molecules:...?

(A) Amino acids
(B) Nucleic acids

(C) Carbohydrates
(D) None

✅ Correct Answer: Nucleic acids

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Source: This question is taken from the Everyday Science

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The liquid molecules leave the surface of liquid in evaporation process because ______...?

(A) Energy is low
(B) Energy is moderate

(C) Energy is high
(D) None of these

✅ Correct Answer: Energy is high

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Source: This question is taken from the Everyday Science

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The ozone molecule contains which type of bonding__________...?

(A) Dative bond
(B) Covalent bond

(C) Both A and B
(D) Ionic Bond

✅ Correct Answer: Both A and B

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Source: This question is taken from the Everyday Science

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A formula that indicates actual number and type of atoms in a molecule is called...?

(A) Chemical formula
(B) Empirical formula

(C) Molecular formula
(D) Formula mass

✅ Correct Answer: Molecular formula

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Source: This question is taken from the Everyday Science

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The smallest particle of any substance having all properties of that molecules is called...?

(A) An atom
(B) A molecule

(C) A compound
(D) An element

✅ Correct Answer: An atom

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Source: This question is taken from the Everyday Science

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In living organisms energy is stored in a special molecule called...?

(A) ATP
(B) NADH

(C) RNA
(D) DNA

✅ Correct Answer: ATP

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Source: This question is taken from the Everyday Science

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In constructive reaction _____ molecules are formed....?

(A) Small
(B) Medium

(C) Equal
(D) Large

✅ Correct Answer: Large

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Source: This question is taken from the Everyday Science

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Which of the following is a diverse group of hydrophobic molecules...?

(A) Carbohydrates
(B) Lipids

(C) Proteins
(D) Nucleic acids

✅ Correct Answer: Lipids

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Source: This question is taken from the Everyday Science

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The average kinetic energy of the molecules of a body determines...?

(A) heat
(B) temperature

(C) internal energy
(D) none

✅ Correct Answer: temperature

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Source: This question is taken from the Everyday Science

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Which statement is incorrect about gas molecules...?

(A) Molecules are widely separated
(B) Molecules have low attractive forces

(C) Molecules free to move in any direction
(D) Molecules collide with one another

✅ Correct Answer: Molecules do not collide with one another

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Source: This question is taken from the Everyday Science

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Which type of bond is formed between H₂O molecules...?

(A) Hydrogen bond
(B) Ionic bond

(C) Covalent bond
(D) All of these

✅ Correct Answer: Covalent bond

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Source: This question is taken from the Everyday Science

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Plant utilizes simple inorganic molecules (CO2 and H2O) to prepare _____...?

(A) Glucose and water
(B) Glucose and oxygen

(C) Oxygen and water
(D) Oxygen and Glucose

✅ Correct Answer: Glucose and oxygen

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Source: This question is taken from the Everyday Science

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Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules...?

(A) Boyle’s law
(B) Charles’ law

(C) Gay-Lussac’s law
(D) Avogadro’s law

✅ Correct Answer: Avogadro’s law

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Source: This question is taken from the Everyday Science

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The symbolic representation of molecule of a compound is called...?

(A) Equation
(B) Structure

(C) Formula
(D) Reaction

✅ Correct Answer: Formula

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Source: This question is taken from the Everyday Science

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What happens to the molecules of a gas when the gas changes into a liquid...?

(A) They move closer and lose energy
(B) They move closer and gain energy

(C) They move apart and lose energy
(D) They move apart and gain energy

✅ Correct Answer: They move closer and lose energy

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Source: This question is taken from the Everyday Science

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The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass
(B) Valency

(C) Electronegativity
(D) Ionization Energy

✅ Correct Answer: Valency

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Source: This question is taken from the Everyday Science

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A gas in a container of fixed volume is heated. What happens to the molecules of the gas...?

(A) They collide less frequently
(B) They expand

(C) They move faster
(D) They move further apart

✅ Correct Answer: They move faster

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Source: This question is taken from the Everyday Science

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Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen
(B) Nydrogen

(C) Neon and argon
(D) Oxygen and nitrogen

✅ Correct Answer: Neon and argon

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Source: This question is taken from the Everyday Science

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The breakdown of food molecules to release energy is called...?

(A) Photosynthesis
(B) Fermentation

(C) Respiration
(D) Mitosis

✅ Correct Answer: Respiration

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Source: This question is taken from the Everyday Science

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Rainbow is seen after rain because of hanging molecules of water which act as __________...?

(A) Lens
(B) Prism

(C) Mirror
(D) Slabs

✅ Correct Answer: Prism

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Source: This question is taken from the Everyday Science

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A (an) ______ is a pure substance which contains only one type of molecule made up of atoms of more than one element....?

(A) Compound
(B) Element

(C) Molecule
(D) Atom

✅ Correct Answer: Compound

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Source: This question is taken from the Everyday Science

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The carboxylate end of the soap molecule that is attracted to water is called...?

(A) Hydrophobic end
(B) End point

(C) Hydrophilic end
(D) None

✅ Correct Answer: Hydrophilic end

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Source: This question is taken from the Everyday Science

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Identify the monoatomic molecule among the following...?

(A) Helium
(B) Ozone

(C) Hydrogen
(D) Nitrogen

✅ Correct Answer: Helium

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Source: This question is taken from the Everyday Science

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Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?

(A) Filtration
(B) Reverse Osmosis (RO)

(C) Sedimentation
(D) Distillation

✅ Correct Answer: Reverse Osmosis (RO)

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Source: This question is taken from the Everyday Science

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An atom is neutral but when an atom or molecule that carries net electric due to gain or loss of an electron is called an...?

(A) Ion
(B) Molecule

(C) Anion
(D) Cation

✅ Correct Answer: Ion

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Source: This question is taken from the Everyday Science

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According to kinetic molecular theory, the pressure exerted by a gas is caused by the _______...?

(A) Bombardment of the gas molecules on the walls of the container
(B) Collision between gas molecules

(C) Large distances between gas molecules
(D) Random motion of the gas molecules

✅ Correct Answer: Bombardment of the gas molecules on the walls of the container

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Source: This question is taken from the Everyday Science

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