Everyday Science
251. Atom is made up of _______ different kinds of subatomic particles:
a. Three
b. Two
c. Four
d. None
252. The alpha particles are compact clusters of _________?
a. Electron and Proton
b. Two Proton and two Neutrons
c. Three protons and three Neutrons
d. None
253. The Beta particles are fast moving _________?
a. Protons
b. Electrons
c. Neutrons
d. None
254. One of the following countries produces maximum energy from atomic reactors?
a. France
b. USA
c. UK
d. none
255. The unit to measure the quantity of Ozone in atmosphere is?
a. Dobson
b. Dalton
c. Coulomb
d. None
256. The severity of 2005 earthquake in Pakistan on Richter scale was?
a. 6.9
b. 7.6
c. 7.1
d. none
257. Geiger-Muller counter is used to detect _________?
a. Protons
b. Neutrons
c. Photons
d. None
258. Vacuum tubes have been replaced by ________?
a. Conductors
b. Diodes
c. Transistors
d. None of these
259. It is a secondary plant nutrient?
a. Nitrogen
b. Phosphorus
c. Sulphur
d. None
260. An area of microbiology that is concerned with the occurrence of disease in human population is?
a. Immunology
b. Parasitology
c. Epidemiology
d. None
261. The number of electrons of a neutral atom is automatically known if one knows the?
a. Atomic number
b. Atomic weight
c. Number of orbitals
d. None
262. Which of the following is not an enzyme?
a. Chymotrypsin
b. Secretin
c. Pepsin
d. None
263. It is impossible for a type of O+ baby to have a type of ________ mother:
a. AB-
b. O-
c. O+
d. None
264. Serum if blood plasma minus its?
a. Calcium ions
b. Clotting proteins
c. Globulins
d. None
265. The autonomic nervous system innervates all of these except?
a. Cardiac muscles
b. Skeletal muscles
c. Smooth muscles
d. None
266. The damage to the ________ nerve could result in the defect of the eye movement:
a. Optic
b. Trigeminal
c. Abducens
d. None
267. Which of these is not a region of the spinal cord?
a. Thoracic
b. Pelvic
c. Lumber
d. None
268. The shape of the external ear is due to _________?
a. Elastic cartilage
b. Fibrocartilage
c. Articular cartilage
d. None
269. When a patient's immune system becomes reactive to a drug, this is an example of?
a. Super infection
b. Drug resistance
c. Allergy
d. None
270. What is the smallest unit of heredity?
a. Chromosomes
b. Gene
c. Nucleotides
d. None
271. The approximate intensity level of the sound which can cause damage to the ear drum is?
a. 20 dB
b. 60 dB
c. 100 dB
d. 160 dB
272. Fuse wire is made of _________?
a. 63% tin and 37% lead
b. 63% lead and 37% tin
c. 63% tin and 37% aluminum
d. 63% lead and 37% aluminum
273. 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
274. Steering of a car involves?
a. A single force
b. Two forces acting in the same direction
c. Two forces acting along different lines and in opposite direction
d. A pair of forces acting along the same line and in the opposite direction
275. The property by virtue of which metals can be beaten into thin sheets is known as?
a. Ductility
b. Malleability
c. Conductivity
d. Density
276. The sky appears blue because the earth's atmosphere _________?
a. Scatters blue light
b. Reflects blue light
c. Transmits blue light
d. Has actual blue cover
277. A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to __________?
a. Prop him up if he falls
b. Spread out his weight and reduce the pressure on the rope
c. Add extra weight and reduce the pressure on the rope
d. To keep the center of gravity always above vertically above the rope
278. When water is filled in a bottle and is allowed to freeze, the bottle breaks because
a. Water expands on freezing
b. Bottle contracts at freezing point
c. Temperature outside the bottle is less than that inside the bottle
d. None of the above
279. People living in high altitudes (like mountains) usually have a _________?
a. smaller number of Red Blood Cells
b. larger number of Red Blood Cells
c. smaller number of White Blood Cells
d. larger number of White Blood Cells
280. Copper is used in the production of ________?
a. Brick kilns
b. Children toys
c. Kitchen utilities
d. Electric wires
281. The blue colour of clear sky is due to _______?
a. Reflection of light
b. Refraction of light
c. Diffraction of light
d. Dispersion of light
282. A device that converts mechanical energy into electric energy is called _______?
a. Motor
b. Transformer
c. Coil
d. Generator
283. _______ is anything that takes up space and has mass.
a. Matter
b. Gravity
c. Energy
d. Plasma
284. All matter is made of ________?
a. Air
b. Water
c. Vibrations
d. Atoms
285. What are considered the building blocks of matter?
a. Molecule
b. Protons
c. Elements
d. Atoms
286. What are the three subatomic particles of an atom?
a. Protons, Neutrons & Electrons
b. Protons, Nucleus & Electrons
c. Protons, Nucleus & Elements
d. Elements, Nucleus & Protons
287. The protons and neutrons are found in the center of the atom, which is called the _______ of the atom?
a. Nucleus
b. Headquarters
c. Hub
d. None of these
288. _________ are positively (+) charged particles?
a. Neutrons
b. Electrons
c. Protons
d. None of these
289. _________ are negatively (-) charged particles of an atom?
a. Protons
b. Neutrons
c. Electrons
d. None of these
290. _________ have no charge?
a. Neutrons
b. Protons
c. Electrons
d. None of these
291. Elements are made of _______?
a. Atoms
b. Molecules
c. H2O
d. Compounds
292. SI unit of time is _________?
a. second
b. kilo gram
c. meter
d. volt
293. The speed of light is _________?
a. 280,000 km/s
b. 300,000 km/s
c. 320,000 km/s
d. None of these
294. The soul of chemistry is dealing with ________?
a. Internal structural changes in matter
b. Composition of matter
c. Properties of matter
d. Composition and properties of matter
295. Which one is the most common disease?
a. Dental
b. Leprosy
c. Headache
d. Migraine
296. Orange belongs to the family:
a. Malvaceae
b. Rotaceae
c. Rutaceae
d. Composite
297. Vertebral Column in human beings consists of how many vertebrae?
a. 5
b. 10
c. 12
d. 33
298. 2017 Noble Prize Currently Awarded in Physics is for _________?
a. Far Observation of Gravitational Waves
b. Far Observation of Gravitational weight
c. First Observation of Gravitational Waves
d. Far Objectivity of Gravitational Waves
299. Diesel engine was discovered by ________?
a. Paul Muller
b. Faraday
c. Waldeyer
d. Rudolf Diesel
300. Electron was discovered by?
a. Michael Faraday
b. James Maxwell
c. Yuri Gagarin
d. J.J Thomson
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