Which of the following is not an enzyme...? Mcqs

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Which of the following is not an enzyme...?

(A) Chemotrypsin
(B) Secretin

(C) Pepsin
(D) none

✅ Correct Answer: Secretin

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Source: This question is taken from the Everyday Science

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Naturally occurring enzyme used as a defense chemical by bacteria ______...?

(A) Defense protein
(B) Restriction enzyme

(C) Hydrolytic enzyme
(D) Ligase enzyme

✅ Correct Answer: Restriction enzyme

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Source: This question is taken from the Everyday Science

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What is the name of the biggest part of human brain...?

(A) Cerebellum
(B) Cerebrum

(C) Brainstem
(D) Pituitary

✅ Correct Answer: Cerebrum

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Source: This question is taken from the Everyday Science

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What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ...?

(A) Radium dating
(B) Uranium dating

(C) Carbon dating
(D) Deuterium dating

✅ Correct Answer: Carbon dating

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Source: This question is taken from the Everyday Science

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Presence of enzyme does not affect the nature or properties of ______...?

(A) Reactants
(B) Reaction rate

(C) End products
(D) Activation energy

✅ Correct Answer: End products

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Source: This question is taken from the Everyday Science

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Small portion of enzyme where substrate attach with enzyme called _____...?

(A) Binding site
(B) Active site

(C) Catalytic site
(D) Substrate site

✅ Correct Answer: Active site

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Source: This question is taken from the Everyday Science

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All are characters of enzymes except...?

(A) Enzyme speed up a biochemical reaction
(B) Enzymes are sensitive to minor change in pH

(C) Enzyme activity enhanced by inhibitors
(D) Enzyme portion where substrate attach called active site

✅ Correct Answer: Enzyme activity enhanced by inhibitors

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Source: This question is taken from the Everyday Science

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The complete graph of human genome was studied by ______...?

(A) PCR
(B) HGP (Human Genome project)

(C) Medicine
(D) Soma-clonal

✅ Correct Answer: HGP (Human Genome project)

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Source: This question is taken from the Everyday Science

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A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Nuclear fission

✅ Correct Answer: α-emission

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Source: This question is taken from the Everyday Science

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Waves having crests and troughs with oscillation (movements) of particles perpendicular to the direction of wave propagation are named as...?

(A) Longitudinal Waves
(B) Electromagnetic Waves

(C) Transverse Waves
(D) Mechanical Waves

✅ Correct Answer: Transverse Waves

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Source: This question is taken from the Everyday Science

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What is the name of bacteria that causes Lyme Disease....?

(A) Escherichia Coli
(B) Staphylococus aureus

(C) Borrelia burgdorferi
(D) None of these

✅ Correct Answer: Borrelia burgdorferi

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Source: This question is taken from the Everyday Science

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Activity of enzymes can be enhanced by ____...?

(A) Activator
(B) Inhibitor

(C) Substrate
(D) Coenzyme

✅ Correct Answer: Activator

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Source: This question is taken from the Everyday Science

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The order of speed of the sound in different mediums from faster to slowest is ______...?

(A) Gas → Liquid → Solid
(B) Liquid → Solid → Gas

(C) Solid → Liquid → Gas
(D) Gas → Solid → Liquid

✅ Correct Answer: Solid → Liquid → Gas

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Source: This question is taken from the Everyday Science

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The reaction between methane and chlorine in diffused sunlight is__________...?

(A) Oxidation
(B) Reduction

(C) Polymerisation
(D) Radical substitution

✅ Correct Answer: Radical substitution

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Source: This question is taken from the Everyday Science

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Which of following is not a digestive enzyme in human body...?

(A) Pepsin
(B) Trypsin

(C) Gastrin
(D) Ptyalin

✅ Correct Answer: Gastrin

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Source: This question is taken from the Everyday Science

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Silver fish is the name of__________...?

(A) Insect
(B) Fish

(C) Bird
(D) Mammal

✅ Correct Answer: Insect

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Source: This question is taken from the Everyday Science

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When light changes in direction when entering one transparent medium to another is known as...?

(A) Reflection
(B) Diffraction

(C) Refraction
(D) Absorption

✅ Correct Answer: Refraction

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Source: This question is taken from the Everyday Science

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The point where the enzyme is most active is known as ______...?

(A) Neutral pH
(B) Acidic pH

(C) Basic pH
(D) Optimum pH

✅ Correct Answer: Optimum pH

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Source: This question is taken from the Everyday Science

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What is the main function of enzymes in the body...?

(A) Providing energy
(B) Catalyzing chemical reactions

(C) Storing genetic information
(D) Transporting molecules

✅ Correct Answer: Catalyzing chemical reactions

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Source: This question is taken from the Everyday Science

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Enzymes are ______...?

(A) Steroid in nature
(B) Protein in nature

(C) Lipid in nature
(D) Carbohydrate in nature

✅ Correct Answer: Protein in nature

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Source: This question is taken from the Everyday Science

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In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process...?

(A) Boiling
(B) Condensation

(C) Convection
(D) Evaporation

✅ Correct Answer: Evaporation

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Source: This question is taken from the Everyday Science

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Trypsin is an enzyme which digests protein produced by_____________...?

(A) Liver
(B) Pancreas

(C) Stomach
(D) Small intestine

✅ Correct Answer: Stomach

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Source: This question is taken from the Everyday Science

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Function of restriction enzymes...?

(A) Join DNA fragments
(B) Cut the DNA

(C) Replicate the DNA
(D) Unwind the DNA

✅ Correct Answer: Cut the DNA

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Source: This question is taken from the Everyday Science

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Which of the following mass wasting phenomenon could a person outrun...?

(A) A person could not outrun any of these phenomena
(B) Creep

(C) Avalanche
(D) None of these

✅ Correct Answer: A person could not outrun any of these phenomena

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Source: This question is taken from the Everyday Science

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Very small time intervals are accurately measured by the___________...?

(A) Pabsars
(B) White dwarfs

(C) Atomic Clocks
(D) None of these

✅ Correct Answer: Atomic Clocks

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Source: This question is taken from the Everyday Science

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Dolly is the name of the ...?

(A) First cloned sheep
(B) First cloned monkey

(C) First test-tube baby
(D) First human fossil

✅ Correct Answer: First cloned sheep

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Source: This question is taken from the Everyday Science

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Human eye is how many Megapixels...?

(A) 1080 MP
(B) 720 MP

(C) 576 MP
(D) 570 MP

✅ Correct Answer: 576 MP

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Source: This question is taken from the Everyday Science

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Enzymes are organic catalysts made up of ...?

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

✅ Correct Answer: Proteins

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Source: This question is taken from the Everyday Science

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Enzymes are organic catalysts made up of __________...?

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

✅ Correct Answer: Proteins

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Source: This question is taken from the Everyday Science

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The name of the common mineral salt present in sweat is ...?

(A) Calcium Oxalate
(B) Potassium Sulphate

(C) Sodium Chloride
(D) Iron Sulphate

✅ Correct Answer: Sodium Chloride

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Source: This question is taken from the Everyday Science

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All are factors affecting enzyme activity except...?

(A) pH
(B) Substrate concentration

(C) Organic solvent
(D) Temperature

✅ Correct Answer: Organic solvent

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Source: This question is taken from the Everyday Science

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In the human body there are more than _____ known enzymes....?

(A) 800
(B) 1000

(C) 1200
(D) 1500

✅ Correct Answer: 1000

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Source: This question is taken from the Everyday Science

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Refrigerator works on the phenomenon of ________ of heat transfer....?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

✅ Correct Answer: All of these

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Source: This question is taken from the Everyday Science

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Which of the following phenomena of light are involved in the formation of a rainbow...?

(A) Refraction
(B) Dispersion

(C) Total internal reflection
(D) All of the above

✅ Correct Answer: All of the above

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Source: This question is taken from the Everyday Science

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Enzyme changes in pH can cause enzymes to ______...?

(A) Denature
(B) Activate

(C) Inhibit
(D) Stabilize

✅ Correct Answer: Denature

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Source: This question is taken from the Everyday Science

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Enzymes catalyze chemical reaction by _____ the activation energy....?

(A) Raising
(B) Lowering

(C) Maintaining
(D) Ignoring

✅ Correct Answer: Lowering

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Source: This question is taken from the Everyday Science

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Period of extensive metabolic activity, in which cell grow, enzymes are synthesizes...?

(A) S phase
(B) M phase

(C) G2 phase
(D) G1 phase

✅ Correct Answer: G1 phase

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Source: This question is taken from the Everyday Science

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Enzyme activity decreased by ______...?

(A) Activator
(B) Substrate

(C) Inhibitor
(D) Coenzyme

✅ Correct Answer: Inhibitor

Comments

Source: This question is taken from the Everyday Science

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