Everyday Science
a. deforestation
b. water pollution
c. acid rain
d. forest fire
502. Fog that most often forms as warm rain falls into a cold layer of surface air is called _______?
a. Radiation fog
b. Evaporation (mixing) fog
c. Advection
d. Upslope fog
503. Fine organic or inorganic particles suspended in air is called ________?
a. particulate pollutant
b. gaseous pollutant
c. aerosol
d. none of these
504. Barnacles growing on the back of whale is an example for _________?
a. mutualism
b. parasitism
c. amensalism
d. commensalism
505. A term biotype means ________?
a. all individuals having same phenotype
b. all individuals having same genotype
c. all individuals with different phenotype
d. all individuals with different genotype
506. The temperature at which water boils depends mainly on _________?
a. Air temperature
b. Relative humidity
c. Air pressure
d. Air density
e. The specific heat of air
507. The earth's atmosphere is divided into layers based on the vertical profile of _______?
a. Air pressure
b. Air temperature
c. Air density
d. Wind speed
508. Melanoma (skin cancer) is associated with ________?
a. ozone accumulation
b. ozone depletion
c. acid rain
d. allergens
509. In human body there are ________ kinds of bones?
a. 3
b. 4
c. 5
d. 6
510. Types of bones in human body are: Long, short, irregular and ________?
a. Flat
b. Medium
c. Regular
d. Rough
511. There are _______ kinds of joints in human body?
a. 4
b. 5
c. 6
d. 7
512. Tesla is the unit of _________?
a. Magnetic Field Strength
b. Electric Field Strength
c. Gravitational Field Strength
d. Nuclear Field Strength
513. Siemens is the unit of ________?
a. Electrical Conductance
b. Magnetic Conductance
c. Electrical Capacitance
d. Magnetic Capacitance
514. Steradian is the unit of ________?
a. Solid angle
b. Liquid angle
c. Gas angle
d. Plain angle
515. Candela is the basic unit of _________?
a. luminous intensity
b. heat producing value
c. Thermodynamic temperature
d. radioactive decay
516. "Elephant" large unit of paper measurement equal to 28 by ________.
a. 23 inches
b. 25 inches
c. 28 inches
d. 31 inches
517. The outermost layer of skin is the ________?
a. endodermis
b. dermis
c. epidermis
d. hypodermis
518. Which are the largest of the white blood cells?
a. lymphocytes
b. eosinophils
c. basophils
d. monocytes
519. The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ________?
a. Barograph
b. Radiosonde
c. Aneroid barometer
d. Altimeter
520. The species that flower are called _________?
a. Gymnosperms
b. Bryophytes
c. Angiosperms
d. Algae
521. Basidiospores are considered to be a major source of _________?
a. airborne allergens
b. water borne allergens
c. animal faeces
d. bio-weapon
522. Pollutants that are introduced into the environment by human activity are called as _________?
a. Qualitative pollutants
b. Quantitative pollutants
c. Anthropogenic pollutants
d. All of above
523. An example of an abiotic component _______?
a. Plants
b. Soil
c. Animals
d. Bacteria
524. What is the mass of the Sun?
a. 1.5 multiply 10 Power 30 Kg
b. 1.98 multiply 10 Power 30 Kg
c. 4.5 multiply 10 Power 30 Kg
d. 8 multiply 10 Power 30 Kg
525. What is the temperature at the center of the Sun?
a. 6 million degree C
b. 10 million degree C
c. 15 million degree C
d. 20 million degree C
526. The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of the sun's energy coming to it?
a. 10%
b. 20%
c. 30%
d. 50%
527. The phases of the moon are partially the result of the _________?
a. Changes in the shape of the moon
b. Revolution of the moon around the earth
c. Variations in the moon's gravitation
d. Variations in the speed of rotation of the moon
528. 'Black holes' refers to _________?
a. Holes occurring in heavenly bodies
b. Bright spots on the sun
c. Collapsing object of high density
d. Collapsing object of low density
529. Constellation referred to as zodiac, are ________?
a. Imaginary regions that encompass the path of the planets
b. Signs of Roman gods
c. A group of stars
d. None of these
530. Which one of the following is not a unit of distance?
a. Parsec
b. Astronomical Unit
c. Light Year
d. Foot Candle
531. Which of the following planets orbits around the sun in a clockwise direction?
a. Earth
b. Mercury
c. Jupiter
d. Venus
532. Isobars are the lines connecting the places having same: __________?
a. Pressure
b. Rainfall
c. Height
d. Temperature
533. Spring tides occur on new moon and full moon days because on these days ________?
a. Sun, moon and earth are in a straight line
b. Sun and earth are at right angles
c. Sun and moon are at right angles
d. Earth and moon are at right angles
534. Which of the following planets is fastest rotating planet?
a. Mercury
b. Mars
c. Jupiter
d. Venus
535. Which of the following planets has the smallest diameters ________?
a. Mercury
b. Mars
c. Pluto
d. Venus
536. Which of the following is the largest planet?
a. Neptune
b. Jupiter
c. Saturn
d. Mars
537. Who was the first to measure the earth's radius?
a. Galileo
b. Copernicus
c. Ptolemy
d. Eratosthenes
538. Which is the nearest star to our sun?
a. Proxima Centauri
b. Alpha Scorpii
c. Beta Orionis
d. Vega
539. The Lunar eclipse occurs when:
a. Moon is b/w the earth and the sun
b. Earth is b/w the sun and the moon
c. Sun is b/w the earth and the moon
d. Earth is at right angles to the direction of the sun and the moon
540. Most important effect of the moon on earth is that it ________?
a. Causes weather change
b. Causes earthquakes
c. Causes solar and lunar eclipse
d. Effects tides of the ocean
541. Among the planets of the Solar system the position of the Earth from the Sun is: _________?
a. Second
b. Third
c. Fourth
d. Sixth
542. Which of the following spacecraft enabled man to step on the moon first?
a. Sputnik I
b. Luna II
c. Vostok I
d. Apollo XI
543. Hailey's comet is visible after every ________?
a. 84 years
b. 76 years
c. 1000 years
d. 365 years
544. The setting sun often looks oval in the shape because of _______?
a. The fact that sun really becomes oval in the evening
b. Refraction of rays of sun passing through the atmosphere
c. Optical illusion
d. Dispersion
545. Which one of the following is applicable to the planet 'Venus'?
a. Smallest
b. Brightest
c. Most dense
d. Largest
546. Study of current and past landscapes formation is known as ________?
a. Morphology
b. Aerology
c. Geo-morphology
d. Biology
547. Central Color of Rainbow is ________?
a. Blue
b. Green
c. Red
d. Indigo
548. Who invented bulb?
a. Philips
b. Robert
c. Edison
d. Willium
549. Glucose syrup is made from ________?
a. oat
b. wheat
c. maize
d. rice
550. Bamboo is a ______?
a. Herb
b. Grass
c. Shrub
d. Tree
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