everyday science Mcqs
1751. Skin is _____ thick?
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A. 2cm

B. 2mm

C. 3cm

D. 3mm

1757. Night vision is possible with the help of ___________?
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A. Violet light

B. None of these

C. Ultra violet Light

D. Infrared Rays

E. Red light

1758. Elastic rebound theory explains:
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A. causes of earthquake

B. formation of rocks

C. structure of solids

D. None of these

1761. Which animal can create the loudest sound among any living creature?
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A. Humpback whales

B. Monkey

C. None of these

D. Donkey

1762. Deficiency of vitamin E in the human body causes __________?
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A. Muscle weakness and vision problem

B. Rickets

C. Bone problem

D. Osteoporosis

1765. Which of the following statements is true when we see rainbow ?
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A. The Sun remains behind us and we face raindrops

B. The sky remains clear and the sun is at lower position in the sky

C. We face sun and raindrops

D. In light rainfall, we face Sun

1766. Mohus scale is used for to measure ____________?
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A. Humidity

B. Hardness

C. Pressure

D. Temperature

1767. The owl can see most clearly in total darkness because:
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A. it has light bulbs in its eyes provided by nature

B. it produces infrasonic sounds

C. it has squint eyes

D. it has large eyes with orbs directed forward, giving it binocular sight
1768. Why the needle of iron swims on water surface when it is kept gently ?
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A. It will remain under the water, when it will displace more water than its weight

B. due to its shape

C. due to surface tension

D. the density of needle is less than that of water

1769. Which amongst the following cannot pass through vacuum?
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A. Radiation

B. Sound

C. Light

D. None of These

1771. Which among the following is correct about Saliva of a Healthy Human?
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A. It is slightly acidic

B. It is neutral

C. It is slightly alkaline

D. It is slightly saline

1772. Wireless transmission can be done via _____________?
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A. A Infrared waves

B. Radio waves

C. All of these

D. Microwaves

1773. To measure the speed of an approaching car a police officer shines?
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A. microwaves on it

B. radio waves on it

C. ultra high frequency waves on it

D. light waves on it

1774. Where do the Prime Meridian and the equator intersect each other point?
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A. All of These

B. Gulf of Guinea

C. Malacca Strait

D. Arabian Peninsula

1775. Which of the gas is not known as green house gas?
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A. Methane

B. Carbon dioxide

C. Nitrous oxide

D. Hydrogen
1776. Which of the following lens are useful in microscope?
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A. Curved lens

B. Convex lens

C. None of These

D. Concave lens

1777. The maximum risk to air travel is from?
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A. Rainfall

B. Clouds

C. Strong Winds

D. Fogs
1778. Only object of earth can be seen from Moon What it is?
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A. Hanging Garden

B. Light House

C. Wall of China

D. A Squire

1782. How Many Megapixels is the Human Eye?
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A. 576

B. 570

C. 560

D. None of These

1783. A photostat machine works on _____________?
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A. thermal image making

B. magnetic image making

C. electrostatic image making

D. electromagnetic image making

1784. The Shape of earth is_________?
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A. Oblate Spheroid

B. Spherical

C. Elliptical

D. Oval

1787. Curie is a unit of measuring the intensity of ___________?
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A. Work or Energy

B. Quantity of Heat

C. Radioactivity

D. Power

1789. Tuberculosis is a _________ infection?
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A. Bacterial

B. Fungal

C. Parasitic

D. Viral

1790. Our atmosphere comprises of __________ Nitrogen?
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A. None of these

B. 78% Nitrogen

C. 38% Nitrogen

D. 58% Nitrogen

1794. Newton metre is a unit of __________.
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A. Work

B. torque

C. Length

D. Substance

1795. Earthquake waves travel faster in __________?
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A. Water

B. Flexibl rock

C. Air

D. Soil

1796. The blood pressure is denoted as following?
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A. Venous Pressure / Systolic Pressure

B. Systolic Pressure / Pulse Pressure

C. Diastolic Pressure / Systolic Pressure

D. Systolic Pressure / Diastolic Pressure
1797. What divides the Earth into the Northern and the Southern Hemispheres?
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A. Axis of rotation

B. North Pole

C. Equator

D. South Pole

1798. Which part of the atmosphere are you breathing right now?
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A. Stratosphere

B. Troposphere

C. Lonosphere

D. Bathysphere

1799. What is the largest cell in the human body?
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A. Ovum

B. Neuron

C. Sperm cell

D. RBCs

1800. A fresh egg when placed in salt water will __________ ?
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A. sink and go to the bottom

B. Burst

C. Float

D. sink but will not go to the bottom