everyday science Mcqs
1251. Radiations are harmful as it:___________?
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A. Causes skin cancer

B. Alters body tissue

C. Causes anemia

D. is unstable

1252. First antibiotic was extracted from a _________?
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A. Fungus

B. Bacteria

C. None of these

D. virus

1254. Accumulation of salts in kidneys results in_________?
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A. Cancer

B. Hypertension

C. Kidney Stone

D. Diabetes

1255. Persistance of vision is the principle behind?
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A. Cinema

B. Camera

C. Periscope

D. Spectroscope

1256. Which of the following is used as a lubricant?
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A. Diamond

B. Graphite

C. Silica

D. Iron oxide

1257. Angle of friction and angle of repose are?
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A. None of these

B. equal to each other

C. not equal to each other

D. proportional to each other

1258. Which of the following is an example for cantilever beam?
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A. Bridge

B. See-saw

C. Diving board

D. Common balance

1259. Exposure to sunlight helps a person improve his health because ________?
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A. The pigment cells in the skin get stimulated and produce a healthy tan

B. The ultraviolet rays convert skin oil into VitaminD

C. The infrared light kills bacteria in the body

D. Resistance power increases

1261. ___________ is a mammal who fly?
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A. None of these

B. Bat

C. Ostrich

D. Peacock

1262. Leach has ________ number of brains.
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A. 32

B. 36

C. None of these

D. Zero

1264. Which of the following ocean is the warmest ocean of the world?
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A. Indian Ocean

B. North Pacific Ocean

C. None of the above

D. Arctic Ocean

1266. Matter exists in______ states.
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A. None of these

B. One

C. Five

D. Three
1268. The ________ system is the closest star system to our sun.?
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A. Red proxima Centauri

B. None of these

C. Promixa Centauri

D. Alpha Centauri
1271. which is the second brightest star in the Universe?
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A. Vega

B. Canopus

C. None of these

D. Betelgeuse

1273. Seed Coat is also called _________?
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A. None of these

B. Radical

C. Tegmen

D. Testa
1275. All of these are benefits of bacteria except ______?
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A. None of these

B. Oxygen Production

C. Nitrogen Fixation

D. Decomposition

1276. Smallest animal is _________?
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A. Skunk

B. Gorilla

C. Cat

D. Tiger

1277. Mycology is a study of_______?
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A. Anti virus

B. Virus

C. Fungi

D. Bacteria

1278. What is cVDPV2?
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A. Corona Virus New variant

B. Type-II Cancer

C. Poliovirus Type-II

D. Wild Poliovirus

1281. Which one is non flowering plant _______?
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A. Sun Flower

B. Moss

C. None of these

D. Jasmine

1282. Reflex actions in head region are under the control of___________?
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A. Brain

B. Spinal cord

C. both a & b

D. non of the above

1283. Milk contains water
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A. 70%

B. 87%

C. 75%

D. 90%

1284. BCG vaccine is used to produce immunity against___________?
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A. Virus fever

B. Whooping cough

C. Tuberculosis

D. Smallpox

1285. Scientific study of the Algae is known as ___________?
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A. Oneriology

B. Trichology

C. Pomology

D. Phycology
1286. Which Part of Human Eye can be donated?
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A. Pupil

B. Iris

C. Conjunctiva

D. Cornea
1287. What is total area of the earth?
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A. 510.94 million km

B. 692.192 million km

C. 392.023 million km

D. 492.102 million km

1288. Galileo was an Italian astronomer who _________?
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A. All of the above

B. Discovered that the movement of pendulum produces a regular time measurement

C. Developed the telescope

D. Discovered four satellites of Jupiter

1289. Heat transfer horizontally within the atmosphere is called?
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A. Absorption

B. Advection

C. Convection

D. Conduction

1290. When sugar is added to water, its boiling point:__________?
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A. Remain unchanged

B. Increase

C. Decrease

D. None of the above

1291. Speed of object in one direction is called___?
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A. Space

B. Velocity

C. Acceleration

D. Temperature

1294. Which of the following is the flightless bird?
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A. None of these

B. Passer

C. kakapo

D. Pavo cristatus

1297. Short sightedness is due to__________?
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A. Weaker muscles

B. Elongation of eyeballs

C. Weakening of the retina

D. Shifting of the iris

1299. In an MRI machine, which one of the following is used?
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A. Ultra-sound wave

B. Sound wave

C. X-ray

D. Magnetic wave
1300. The diagnosis of anthrax in cattle may be made by__________?
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A. None of the above

B. Spore staining

C. Mcyfaydean reaction

D. Quellung reaction.