Which one of the following is the softest...?

PPSC Past Papers

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Which one of the following is the softest...?

(A) sodium

(B) iron

(C) aluminium

(D) lithium

✅ Correct Answer: sodium

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Source: This question is taken from the Everyday Science

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Which of these is not a region of the spinal cord...?

(A) Thoracic

(B) Pelvic

(C) Lumbar

(D) none

✅ Correct Answer: Pelvic

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Source: This question is taken from the Everyday Science

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One of the countries through which equator passes is___________...?

(A) Kenya

(B) Malaysia

(C) Malta

(D) Pakistan

✅ Correct Answer: Kenya

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Source: This question is taken from the Everyday Science

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In bacteria mesosomes take the place of which one of the following...?

(A) Ribosome

(B) Mitochondria

(C) Golgi bodies

(D) None of these

✅ Correct Answer: Mitochondria

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Source: This question is taken from the Everyday Science

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One of these scientists formulated basic laws of Geometry...?

(A) Pythagorus

(B) Archimedes

(C) Aristotle

(D) None

✅ Correct Answer: Pythagorus

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Source: This question is taken from the Everyday Science

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Which one of the following is true...?

(A) The moon has both atmosphere and magnetic field

(B) The moon has no atmosphere or magnetic field

(C) The moon has atmosphere but no magnetic field

(D) The moon has magnetic field but no atmosphere

✅ Correct Answer: The moon has no atmosphere or magnetic field

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Source: This question is taken from the Everyday Science

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Which One of the Following Is Not a Greenhouse Gas...?

(A) Methane

(B) Hydrogen

(C) Nitrous oxide

(D) Ozone

✅ Correct Answer: Hydrogen

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Source: This question is taken from the Everyday Science

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Which one of the following is not a disadvantage of friction...?

(A) Energy loss

(B) Fasteners

(C) Wear and Tear

(D) Speed limit

✅ Correct Answer: Fasteners

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Source: This question is taken from the Everyday Science

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Which one of the following animal is a decomposer...?

(A) Mould

(B) Wolf

(C) Bird

(D) Cat

✅ Correct Answer: Mould

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Source: This question is taken from the Everyday Science

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You should not do one of the following while handling a clinical thermometer...?

(A) Wash it before use

(B) Run

(C) Stay at one place

(D) Place it in cover after use

✅ Correct Answer: Run

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Source: This question is taken from the Everyday Science

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Which one of the following of glass can cut ultraviolet rays...?

(A) Jena Glass

(B) Soda Glass

(C) Pyrex Glass

(D) Crookes Glass

✅ Correct Answer: Crookes Glass

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Source: This question is taken from the Everyday Science

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Select the mismatched one of the following...?

(A) Plantae → Pteridophyta

(B) Fungi → Mucor

(C) Protista → Paramecium

(D) Animalia → Amoeba

✅ Correct Answer: Animalia → Amoeba

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Source: This question is taken from the Everyday Science

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Which one of the following is strong acid...?

(A) HF

(B) HCl

(C) HBr

(D) HI

✅ Correct Answer: HI

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Source: This question is taken from the Everyday Science

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In eye donation, which one of the following parts of donor’s eye is utilized ...?

(A) Iris

(B) Lens

(C) Cornea

(D) Retina

✅ Correct Answer: Cornea

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Source: This question is taken from the Everyday Science

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Which one of the following clouds is found at the highest level in the atmospher...?

(A) Stratus

(B) Cumulus

(C) Stratocumulus

(D) Cirrus

✅ Correct Answer: Cirrus

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Source: This question is taken from the Everyday Science

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Which one of the following is biodegradable material...?

(A) Plastic

(B) Styrofoam

(C) Glass

(D) Fruits

✅ Correct Answer: Fruits

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Source: This question is taken from the Everyday Science

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One of the main function of the earth’s ozone layer is to ...?

(A) Prevent global warming

(B) Filter out ultraviolet rays

(C) Absorb pollution

(D) All of the above

✅ Correct Answer: Filter out ultraviolet rays

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Source: This question is taken from the Everyday Science

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Which one of the following is Voluntary Muscle...?

(A) Biceps

(B) Cardiac

(C) Stomach

(D) Vessels

✅ Correct Answer: Biceps

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Source: This question is taken from the Everyday Science

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Which one of the following is not a true snake________ ...?

(A) Blink snake

(B) Glass snake

(C) Sea snake

(D) Tree snake

✅ Correct Answer: Glass snake

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Source: This question is taken from the Everyday Science

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One of the following is a water soluble vitamin...?

(A) Vitamin A

(B) Vitamin D

(C) Vitamin K

(D) None

✅ Correct Answer: None

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Source: This question is taken from the Everyday Science

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For which one of the following is the density maximum...?

(A) Ice

(B) Water

(C) Benzene

(D) Chloroform

✅ Correct Answer: Water

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Source: This question is taken from the Everyday Science

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Which one of the following stars are hotter than red and orange stars...?

(A) Green

(B) Dark

(C) Blue

(D) Yellow

✅ Correct Answer: Blue

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Source: This question is taken from the Everyday Science

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Which one of the following is a non-metallic mineral...?

(A) Manganese

(B) Magnesium

(C) Gypsum

(D) Bauxite

✅ Correct Answer: Gypsum

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Source: This question is taken from the Everyday Science

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The Kuiper belt is a region of the solar system beyond...?

(A) Venus

(B) Saturn

(C) Neptune

(D) Earth

✅ Correct Answer: Neptune

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Source: This question is taken from the Everyday Science

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Which one of the following is not a plant product...?

(A) Caffeine

(B) Nicotine

(C) Piperine

(D) Saccharin

✅ Correct Answer: Saccharin

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Source: This question is taken from the Everyday Science

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Which one of the following affects the photosynthesis and growth of plants...?

(A) Hydrogen

(B) Oxygen

(C) Nitrogen

(D) Acid Rain

✅ Correct Answer: Acid Rain

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Source: This question is taken from the Everyday Science

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Which one of the following is not a true fruit...?

(A) Apple

(B) Grapes

(C) dates

(D) plum

✅ Correct Answer: Apple

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Source: This question is taken from the Everyday Science

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Select the odd one of the following...?

(A) Theory

(B) Law

(C) Hypothesis

(D) Ratio

✅ Correct Answer: Ratio

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Source: This question is taken from the Everyday Science

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Which one of the following is not a way to reduce friction...?

(A) Smooth and polishing surfaces

(B) Less contact area

(C) Oil and lubricants

(D) Ball bearing and rollers

✅ Correct Answer: Increasing the weight

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Source: This question is taken from the Everyday Science

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Which one of the following is a polysaccharide...?

(A) Fructose

(B) Maltose

(C) Starch

(D) N.O.T

✅ Correct Answer: Starch

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Source: This question is taken from the Everyday Science

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What is the one of the other name of Vitamin “A”...?

(A) Riboflavin

(B) Ascorbic Acid

(C) Retinol

(D) Thiamin

✅ Correct Answer: Retinol

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Source: This question is taken from the Everyday Science

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Patela is a bone of the ________...?

(A) Skull

(B) Leg

(C) Arm

(D) Chest

✅ Correct Answer: Leg

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Source: This question is taken from the Everyday Science

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What has no charge, and is one of the fundamental particles making up an atom’s nucleus...?

(A) Electron

(B) Neutron

(C) Proton

(D) All of Above

✅ Correct Answer: Neutron

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Source: This question is taken from the Everyday Science

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Which one of the following forms weak electrolyte solution with water...?

(A) CH₃COOH

(B) H₂SO₄

(C) NaCl

(D) None of these

✅ Correct Answer: CH₃COOH

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Source: This question is taken from the Everyday Science

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Which one of the following is most penetrating...?

(A) Electron

(B) Proton

(C) Alpha particle

(D) Neutron

✅ Correct Answer: Neutron

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Source: This question is taken from the Everyday Science

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When an acid reacts with a metal, which one of the following gas is usually liberated...?

(A) Ammonia Gas

(B) Chlorine

(C) Oxygen

(D) Hydrogen gas

✅ Correct Answer: Hydrogen gas

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Source: This question is taken from the Everyday Science

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What is the main composition of the sun...?

(A) Oxygen and Ammonia

(B) Hydrogen and Helium

(C) Hydrogen and Oxygen

(D) Methane and Hydrogen

✅ Correct Answer: Hydrogen and Helium

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Source: This question is taken from the Everyday Science

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Which one of the following is mismatched...?

(A) Proteases → Carbohydrate

(B) Lipases → Lipids

(C) Trypsin → Protein

(D) All are correctly matched

✅ Correct Answer: Proteases → Carbohydrate

Comments

Source: This question is taken from the Everyday Science

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Which is used in genetic engineering because of its ability to multiply in shortest span of time...?

(A) Virus

(B) Bacteria

(C) Algae

(D) Fungi

✅ Correct Answer: Bacteria

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Source: This question is taken from the Everyday Science

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Which one of the following is a non-luminous object(s)...?

(A) Sun

(B) Stars

(C) Moon

(D) Fireflies

✅ Correct Answer: Moon

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Source: This question is taken from the Everyday Science

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In an MRI machine, which one of the following is used...?

(A) Sound wave

(B) ‘X’-ray

(C) Ultra-sound wave

(D) Magnetic wave

✅ Correct Answer: Magnetic wave

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Source: This question is taken from the Everyday Science

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Which one of the following is not a unit of distance...?

(A) Parsec

(B) Astronomical Unit

(C) Light Year

(D) Foot Candle

✅ Correct Answer: Foot Candle

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Source: This question is taken from the Everyday Science

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Which one of the following is non-biodegradable material...?

(A) Plastic

(B) Manure

(C) Wood

(D) Cotton

✅ Correct Answer: Plastic

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Source: This question is taken from the Everyday Science

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Sound travels slowest in which one of the following...?

(A) Air

(B) Water

(C) Steel

(D) Diamond

✅ Correct Answer: Air

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Source: This question is taken from the Everyday Science

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Which one of the following decreases along the period...?

(A) Ionization Energy

(B) Atomic Radius

(C) Electronegativity

(D) Electron Affinity

✅ Correct Answer: Atomic Radius

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Source: This question is taken from the Everyday Science

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Which one of the following act as oxidizing agent...?

(A) Be

(B) Mg

(C) Na

(D) Cl

✅ Correct Answer: Cl

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Source: This question is taken from the Everyday Science

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Which one of the following is known as graveyard of RBCs...?

(A) Liver

(B) Spleen

(C) Pancreas

(D) None of these

✅ Correct Answer: Spleen

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Source: This question is taken from the Everyday Science

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Select the mismatched one of the followings...?

(A) Plastids → Storage of chemicals

(B) Centriole → Help in cell division

(C) Ribosomes → Synthesis of steroids

(D) Mitochondria → Synthesis of ATP

✅ Correct Answer: Ribosomes → Synthesis of steroids

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Source: This question is taken from the Everyday Science

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Binocular work on the principle of which one of the following...?

(A) Refraction of Light

(B) Diffraction of Light

(C) Total Internal Reflection of Light

(D) Transmission of Sound

✅ Correct Answer: Total Internal Reflection of Light

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Source: This question is taken from the Everyday Science

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The Shortest (smallest) bone in human body is___________...?

(A) Stapes

(B) Tibia

(C) Femur

(D) Humerus

✅ Correct Answer: Stapes

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Source: This question is taken from the Everyday Science

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Fish is one of the best source of ______...?

(A) Protein

(B) Vitamin

(C) Mineral

(D) Carbohydrate

✅ Correct Answer: Protein

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Source: This question is taken from the Everyday Science

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What animal has longest gestation period of about 640 to 660 days or 95 weeks of any land animal ...?

(A) Blue Whale

(B) Elephant

(C) Opossum

(D) None of these

✅ Correct Answer: Elephant

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Source: This question is taken from the Everyday Science

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Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________...?

(A) Electromagnetic force and gravitational force

(B) Electromagnetic force and weak nuclear force

(C) Gravitational force and weak nuclear force

(D) Weak nuclear force and strong nuclear force

✅ Correct Answer: Electromagnetic force and weak nuclear force

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Source: This question is taken from the Everyday Science

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Which one of the following is Barium...?

(A) Bi

(B) Be

(C) Ba

(D) Br

✅ Correct Answer: Ba

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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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Which one of the following is not a radioactive element ...?

(A) Cadmium

(B) Thorium

(C) Radium

(D) Uranium

✅ Correct Answer: Cadmium

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Source: This question is taken from the Everyday Science

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Which of the following is a region of the solar system even farther out than the Kuiper belt...?

(A) The Gort cloud

(B) The Oort cloud

(C) The Fort cloud

(D) The Nort cloud

✅ Correct Answer: The Oort cloud

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Source: This question is taken from the Everyday Science

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Which one of the following is non-electrolyte...?

(A) Aqueous HCl

(B) Aqueous NaCl

(C) Molten KCl

(D) Urea

✅ Correct Answer: Urea

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Source: This question is taken from the Everyday Science

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Which prism in one of the most commonly used dispersive prisms...?

(A) Rectangular

(B) Triangular

(C) Square

(D) Pentagonal

✅ Correct Answer: Triangular

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Source: This question is taken from the Everyday Science

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Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine

(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder

(D) Evaporation of alcohol

✅ Correct Answer: Sublimation of iodine

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All the bones of the body make a frame called...?

(A) Skelton

(B) Tissue

(C) Skull

(D) None of these

✅ Correct Answer: Skelton

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Source: This question is taken from the Everyday Science

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Which one of the following is not considered as a system software...?

(A) Assembler

(B) Compiler

(C) Interpreter

(D) Tally

✅ Correct Answer: Tally

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Source: This question is taken from the Everyday Science

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Which one of the following is not vector quantity _______...?

(A) Acceleration

(B) Displacement

(C) Speed

(D) Force

✅ Correct Answer: Speed

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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 one of the following is not a sign of chemical change...?

(A) No change in composition

(B) A release of gas

(C) Change in colour, temperature, smell

(D) Production of a new material

✅ Correct Answer: No change in composition

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Which one of the following is also called Stranger Gas...?

(A) Neon

(B) Argon

(C) Xenon

(D) Nitrous oxide

✅ Correct Answer: Xenon

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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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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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Which one of the following elements the drum of a Photostat machine is made up of: _________...?

(A) Aluminium

(B) Selenium

(C) Barium

(D) None of these

✅ Correct Answer: Selenium

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Source: This question is taken from the Everyday Science

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Which one of the following is not a advantage of friction...?

(A) Walking

(B) Breaking

(C) Securing knots

(D) Fasteners

✅ Correct Answer: Wear and Tear

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Which one of the following sets of color combinations is added in color vision in TV’...?

(A) Red, green and blue

(B) Orange, back and violet

(C) White. red and yellow

(D) Yellow, green and blue

✅ Correct Answer: Red, green and blue

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Equator passes through one of these countries___________...?

(A) Saudi Arabia

(B) Italy

(C) Japan

(D) None

✅ Correct Answer: None

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Anti Diuretic hormone is secreted by one of the following glands...?

(A) Pituitary

(B) Pancreas

(C) Thyroid

(D) None

✅ Correct Answer: Pituitary

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Which one of the following is called the Blood Bank...?

(A) Kidneys

(B) Liver

(C) Spleen

(D) Heart

✅ Correct Answer: Spleen

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Select the odd one of the followings...?

(A) Active transport

(B) Diffusion

(C) Facilitated diffusion

(D) Osmosis

✅ Correct Answer: Active transport

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Which one of the following is reducing agent...?

(A) H2S04

(B) HNO3

(C) Al

(D) I2

✅ Correct Answer: Al

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Which one of the following can be synthesized by Liver _______...?

(A) Vitamin B6

(B) Vitamin B12

(C) Vitamin K

(D) Vitamin E

✅ Correct Answer: Vitamin K

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Which one of the following is also known as shooting stars...?

(A) Asteroids

(B) Comets

(C) Black Holes

(D) Meteoroids

✅ Correct Answer: Meteoroids

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Which one of the following substances traps sunlight...?

(A) Cellulose

(B) Chlorophyll

(C) Cytoplasm

(D) Cell sap

✅ Correct Answer: Chlorophyll

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Which one of the following is not a fraction of crude oil...?

(A) Petroleum coke

(B) Ammonia

(C) Fuel oil

(D) Paraffin wax

✅ Correct Answer: Ammonia

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Which one of the following is not a sign of physical change...?

(A) Change that can be reversed

(B) The substance does not turn into a new substance

(C) A release of gas

(D) None

✅ Correct Answer: A release of gas

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Which one of the following is Metalloid...?

(A) Br

(B) Se

(C) S

(D) Sr

✅ Correct Answer: Se

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Which one of the following is applicable to the planet ‘Venus’...?

(A) Smallest

(B) Brightest

(C) Most dense

(D) Largest

✅ Correct Answer: Brightest

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Which one of the following is correct statement...?

(A) Oxidation occurs at cathode

(B) Reduction occurs at anode

(C) Reduction occurs at cathode

(D) Ions lose electrons at cathode

✅ Correct Answer: Reduction occurs at cathode

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Source: This question is taken from the Everyday Science

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Which of the following is not a region of the spinal cord ...?

(A) Thoracic

(B) Lumber

(C) Pelvic

(D) All are lying in spinal cord region

✅ Correct Answer: Pelvic

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Source: This question is taken from the Everyday Science

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Which one of the following is oxidizing agent...?

(A) Al

(B) H2S

(C) Cl2

(D) NaH

✅ Correct Answer: Cl2

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Source: This question is taken from the Everyday Science

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One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________...?

(A) Molarity

(B) Molality

(C) Normality

(D) Formality

✅ Correct Answer: Molality

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Source: This question is taken from the Everyday Science

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One of the following countries produces maximum energy from atomic reactors...?

(A) France

(B) USA

(C) UK

(D) none

✅ Correct Answer: USA

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Source: This question is taken from the Everyday Science

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Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide

(B) Chlorofluorocarbons

(C) Nitrogen oxides

(D) Methane

✅ Correct Answer: Chlorofluorocarbons

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Source: This question is taken from the Everyday Science

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Which one of the following statements is false about dynamic equilibrium...?

(A) It takes place in a close container

(B) Concentration of reactant and products are not changed

(C) Rate of forward reaction is equal to rate of reverse reaction

(D) Equilibrium cannot be disturbed by any external stress

✅ Correct Answer: Equilibrium cannot be disturbed by any external stress

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Source: This question is taken from the Everyday Science

Which one of the following is the softest...? Mcqs

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