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

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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

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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

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

(A) Cerebellum
(B) Cerebrum

(C) Brainstem
(D) Pituitary

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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

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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

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

(A) Denature
(B) Activate

(C) Inhibit
(D) Stabilize

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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

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Enzyme activity decreased by ______...?

(A) Activator
(B) Substrate

(C) Inhibitor
(D) Coenzyme

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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

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

(A) 800
(B) 1000

(C) 1200
(D) 1500

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

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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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

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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

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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

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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

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Human eye is how many Megapixels...?

(A) 1080 MP
(B) 720 MP

(C) 576 MP
(D) 570 MP

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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

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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

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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

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All are factors affecting enzyme activity except...?

(A) pH
(B) Substrate concentration

(C) Organic solvent
(D) Temperature

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Silver fish is the name of__________...?

(A) Insect
(B) Fish

(C) Bird
(D) Mammal

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

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

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

(A) Raising
(B) Lowering

(C) Maintaining
(D) Ignoring

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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

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Enzymes are ______...?

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

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

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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

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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

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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

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

(A) Liver
(B) Pancreas

(C) Stomach
(D) Small intestine

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Enzymes are organic catalysts made up of ...?

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

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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

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

(A) Pepsin
(B) Trypsin

(C) Gastrin
(D) Ptyalin

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

(A) Activator
(B) Inhibitor

(C) Substrate
(D) Coenzyme

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Function of restriction enzymes...?

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

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

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

(A) Oxidation
(B) Reduction

(C) Polymerisation
(D) Radical substitution

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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

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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

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