Everyday Science 751-800 MCQs

 Everyday Science

751. The large plates of solar panels are painted?

a. Red

b. White

c. Yellow

d. Black

752. According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _______?

a. 2 hours

b. 5 hours

c. 8 hours

d. 10 hours

753. Units of electricity consumed by 2500 watt air-conditioner in one hour are ________?

a. 25 units

b. 2.25 units

c. 2.5 units

d. 0.25 units

754. In the electricity meter the digit to the extreme right is _______?

a. 1/5th of the unit

b. 1/100th of the unit

c. 1/10th of the unit

d. 1/1000th of the unit

755. For water purification, we use?

a. Chlorine

b. Bromine

c. Plants

c. Young man

756. The human blood is divided into ________ groups?

a. Two groups

b. Three groups

c. Four groups

d. Five groups

757. A man can survive without food for at least?

a. One month

b. Two month

c. Three month

d. Four month

758. The muscles, tissues and blood all are made up of _______?

a. Carbohydrate

b. Proteins

c. Vitamins

d. Fats

759. One gram of carbohydrates give energy of the amount?

a. 2 K Calories

b. 4.1 K Calories

c. 6.3 K Calories

d. 8.0 K Calories

760. What amount of fats give energy of 9.3 K Calories?

a. 0.5 gram

b. 1.0 gram

c. 2.0 gram

d. 4.1 gram

761. Sound travels ________ in solid materials then liquid?

a. Constant

b. Slowest

c. Fastest

d. None of these

762. What Color does chlorophyll not absorb?

a. Red

b. Blue

c. Green

d. Yellow

763. One Torr is equivalent to how many mm of Mercury?

a. 1 mm

b. 10 mm

c. 100 mm

d. 0.1 mm

764. Saliva contains ________?

a. Amylases

b. Bite

c. Trypsin

d. None of these

765. Which of the following regulates the Metabolism of Sugar?

a. Thyroid

b. Insulin

c. Glucose

d. None of these

766. Which planet is called Great Red Spot?

a. Neptune

b. Mars

c. Jupiter

d. Mercury

767. Which blood group is universal receiver?

a. Group A

b. Group B

c. Group AB

d. Group O

768. Which type of motions are present in solid?

a. translational

b. rotational

c. vibrational

d. all of these

769. The alloy of aluminium used for making magnet is ________?

a. Duralumin

b. Y-Alloy

c. Alnico

d. Aluminium bronze

770. Which synthetic fibre is known as artificial Silk?

a. Nylon

b. Rayon

c. Cotton

d. Terylene

771. Which variety of glass is heat resistant?

a. Bottle glass

b. Flint glass

c. Hard glass

d. Pyrex glass

772. The chemical used as a fixer in photography is ________?

a. Sodium sulphate

b. borax

c. sodium thiosulphate

d. ammonium suphate

773. Which one of the following is the softest?

a. sodium

b. iron

c. aluminium

d. lithium

774. Nail polish remover contains _______?

a. Acetone

b. Benzene

c. Acetic acid

d. Petroleum ether

775. What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?

a. Paint

b. Glass

c. Gun Powder

d. Cement

776. Which is the heaviest metal?

a. Iron

b. Mercury

c. Nickel

d. Osmium

777. Bleaching action of chlorine is by ________?

a. Oxidation

b. Reduction

c. Decomposition

d. Hydrolysis

778. Bleaching powder contains ________?

a. Nitrogen

b. Iodine

c. Chlorine

d. Bromine

779. Which one of the following gases is readily soluble in water at room temperature?

a. Chlorine

b. Nitrogen

c. Ammonia

d. Carbon dioxide

780. Radon is ________?

a. germon radio

b. radio active gas

c. artificial fibre

d. an explosive

781. Which of the following is the most toxic gas?

a. Carbon dioxide

b. Carbon monoxide

c. Nitrogen

d. Hydrogen

782. The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?

a. Chemotherapy

b. Radiation

c. Surgery

d. Immunotherapy

783. Air Conditioning Controls: _________?

a. Circulation of the Air

b. Humidity

c. Temperature

d. All of the above

784. Earth rotates the sun in________?

a. 23 hours 56 min 4 sec

b. 24 hours

c. 23 hours 57 min 9 sec

d. None of the above

785. Who created periodic table?

a. Faraday

b. Lavoisier

c. Arrhenius

d. Mendeleev

786. Bauxite is an ore of ________?

a. Copper

b. Zinc

c. Aluminium

d. Iron

787. Ruby is an oxide of _______?

a. Silver

b. Gold

c. Platinum

d. Aluminium oxide

788. First atomic theory was proposed by?

a. John Dalton

b. E. Rutherford

c. De Broglie

d. D.I.Mendeleef

789. Air contains maximum amount of _______?

a. oxygen

b. nitrogen

c. hydrogen

d. carbon dioxide

790. The alcohol used in the preparation of dynamite is ________?

a. Ethyl alcohol

b. Glycerol

c. Glycol

d. Methyl alcohol

791. The element used in lead pencils is ________?

a. Zinc

b. Lead

c. Carbon

d. Tin

792. Epsom salt is chemically known as _________?

a. Copper Sulfate

b. Magnesium Sulfate

c. Ferrous Sulfate

d. None of these

793. Calcium sulfate is known as _________?

a. Epsom salt

b. Gypsum salt

c. Blue vitriol

d. Potash alum

794. Oil of vitriol is _________?

a. Nitric acid

b. Hydrochloric acid

c. Phosphoric acid

d. Sulfuric acid

795. The term PVC used in the plastic industry stands for ________?

a. Phosphavinyl chloride

b. Phosphor vanadium chloride

c. Polyvinyl chloride

d. Polyvinyl carbonate

796. Human bone does not contain ________?

a. Calcium

b. Chondroitin sulfate

c. Boron

d. Phosphate

797. Which of the following in the human body is affected by leukemia?

a. Blood

b. Lungs

c. Eyes

d. Nerves

798. The reaction between methane and chlorine in diffused sunlight is ________?

a. Oxidation

b. Reduction

c. Polymerization

d. Radical substitution

799. At what temperature does silver melt?

a. 275 degree C

b. 327 degree C

c. 961.8 degree C

d. 100 degree C

800. Science is derived from Latin word "Scientia" which means _________?

a. Reasoning

b. Logic

c. Knowledge

d. Life