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CBSE Questions for Class 8 General Knowledge General Physical Geography Quiz 12 - MCQExams.com
CBSE
Class 8 General Knowledge
General Physical Geography
Quiz 12
The minor planets revolving between the orbits of Mars and Jupiter are called
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Comets
0%
Asteroids
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Novals
0%
Mekors
When a man circles round the earth in a satellite, then
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His mass becomes zero but weight remains constant
0%
Mass remains constant but weight becomes zero
0%
Both mass and weight remain constant
0%
Both mass and weight remain zero
What is colour of Milestones used at state highways?
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Yellow
0%
Blue
0%
Green
0%
Red
Explanation
National highways are always green in colour.
Among the following rivers, which river has a different direction of flow ?
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Godavari
0%
Kaveri
0%
Narmada
0%
Krishna
Explanation
All rivers except Narmada flows from west to east
Olympus Mons is a shield volcano on the planet Mars located in Mars 'Western hemisphere. What makes Olympus Mons Volcano different from all volcanoes on Earth?
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It is smaller than Earth's volcanoes
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It is hotter than Earth's volcanoes
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It is colder than Earth's volcanoes
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It is bigger than Earth's volcanoes
Explanation
Olympus Mons is a volcano on Mars. It is the tallest volcano, and mountain, in the solar system.
Olympus Mons is 25 km high and is three times taller than the highest mountain on Earth, Mount Everest.
The volcano is located in Mars's western hemisphere near the uplifted Tharsis bulge region.
Consider the following statements:
$$1$$. Uranus has retrograde rotation and has sunrise in the west and not in the east as we have on the earth.
$$2$$. Neptune has the largest diurnal range of temperature.
Which of the following statement(s) is/are correct?
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
1. Uranus and Venus are two planets of the solar system which have retrograde rotation.
2. Mercury(and not Neptune) has the largest diurnal range of temperature.
3. Day and night temperatures at Mercury are the
430
o
430o
C and
−
180
o
−180o
C respectively whereas Neptune, being farthest from the sun has one of the lowest temperatures of
−
200
o
−200o
C.
Consider the following pairs.
Satellite
Name of the discoverer
$$1$$. Europa
Galileo
$$2$$. Titan
Christaan Huygens
$$3$$. Titania
William Herschel
Which of the pairs given is/are correctly matched?
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$$1$$ only
0%
$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Consider the following statements.
$$1$$. A galaxy is a huge mass of stars, nebulae and interstellar material.
$$2$$. The sun situated at the centre of the Milky Way and all the planets revolve around the sun.
Which of the above mentioned statements is/are correct?
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$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
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Neither $$1$$ nor $$2$$
Explanation
Sun is not at the centre of the Milky Way but is near its edge. It revolves around the centre of the Milky Way and completes one revolution in about
250
250
million years.
Pluto was demoted from the status of a planet to that of dwarf planet in $$2006$$ because it:
(I) does not have sufficient mass.
(II) has not cleared the neighbour around its orbit.
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Statement I is correct
0%
Statement II is correct
0%
Both statements I and II are correct
0%
Neither statement I nor II is correct
Explanation
The new definition of a planet adopted by the International Astronomical Union(IAU) during its week long discussion at Prague in the Czech Republic on August
24
24
,
2006
2006
was as follows.
Planet: A planet is a celestial body that:
(a) Is in orbit around the Sun.
(b) Has Sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium(nearly round) shape.
(c) Has cleared the neighbourhood around its orbit.
(d) Should be as effective around the sun as other planets are.
According to the above definition, pluto has lost its status as a planet and is demoted to the status of a dwarf planet.
Consider the following pairs:
$$1$$. Mercury: Jovian plant
$$2$$. Venus: Duration of day longer than that of year
$$3$$. Satum: A planet having density less than that of water
Which of the pairs given is/are correctly matched?
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$$1$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Mercury is not a Jovian planet but inner or terrestrial planet. Jovian means Jupiter- like(the largest planet of the solar system), with an equatorial diameter of just
4875
4875
km, Mercury is the smallest planet of the solar system.
Venus has rotation period of
243
243
days(duration of day) and revolution period around the sun of
224.4
224.4
days(duration of the year). Thus the planet Venus has duration of day longer than that of year.
Saturn has density of
0.69
0.69
which is less than the of water
(
1.0
)
(1.0)
.
Consider the following pairs.
Planet
Satellite
$$1$$. Mars
Titan
$$2$$. Uranus
Titania
$$3$$. Neptune
Triton
Which of the pairs given is/are correctly matched?
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$$1$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$2$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Satellite Titan belongs to Saturn, Titania belongs to Uranus, and Triton belongs to Neptune.
Which of the following pairs is/are correctly matched?
Spacecraft
Purpose
$$1$$. Cassini-Huygens
Orbiting the Venus and transmitting data to the earth
$$2$$. Messenger
Mapping and investing the planet Mercury
$$3$$. Voyager $$1$$ and $$2$$
Exploring the outer solar system
Select the correct answer using the codes given.
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$$1$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Cassini-Huygens in a space craft of NASA to probe into the mysteries of the planet Saturn. Messenger is NASA mission to Mercury and Voyager
1
1
and
2
2
are meant for exploring the outer space.
Consider the following statements:
$$1$$. Venus is named after the Roman Goddess of beauty.
$$2$$. Mars is named after the Roman God of war.
$$3$$. Neptune is known as lopsided planet.
Which of the following statement(s) is/are correct?
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$$1$$ only
0%
$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1, 2$$ and $$3$$
Explanation
Uranus and not Neptune has its axis tilted at $$
98_0$$.
98o_0
on its orbital plane and is called a lopsided planet...
Which of the following pairs is/are correctly matched?
Planet
Chief characteristic feature
$$1$$. Saturn
King of Planets
$$2$$. Jupiter
Planet with Great Red spot in its atmosphere
$$3$$. Mercury
Slowest rotating planet
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$$1$$ only
0%
$$2$$ only
0%
$$1$$ and $$2$$
0%
$$2$$ and $$3$$
Explanation
Jupiter is the largest of all the planets of the solar system and is known as the king of planets. Jupiter has Great Red Spot in its atmosphere. It is a high pressure zone in the southern hemisphere near the equator where temperatures are lower than the surrounding atmosphere. It covers a vast area which is
40
,
000
40,000
km long and
32
,
000
32,000
m wide.
Venus is the slowest rotating planet with rotation period of
243
243
days whereas rotation period of Mercury is only
58.65
58.65
days.
Consider the following statements.
$$1$$. Astronomical unit is the average distance between the earth and the sun.
$$2$$. Neptune is over $$30$$ astronomical units away from the sun.
Which of the following statements is/are correct?
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0%
$$1$$ only
0%
$$2$$ only
0%
Both $$1$$ and $$2$$
0%
Neither $$1$$ nor $$2$$
Explanation
Astronomical unit is the average distance between the sun and the earth which is about
149.6
149.6
million km. Neptune is
30.07
30.07
Astronomical units away from the sun.
What is the position of the asteroid belt?
$$1$$. Between the Sun and the Earth.
$$2$$. Between Mars and Jupiter.
$$3$$. It surrounds the orbital path of the Neptune
Which statement(s) about the position of the asteroid belt is/are correct?
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$$1$$ and $$2$$ only
0%
$$2$$ and $$3$$ only
0%
$$1$$ only
0%
$$2$$ only
Explanation
Asteroids are small planets between the orbits of Mars and Jupiter. There are thousands of asteroids in this belt which revolve around the sun along a particular orbit. every asteroid has its own orbit but these orbits remain between the orbits of Mars and Jupiter.
The plateau of India is roughly _______ in shape.
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Circular
0%
Cylindrical
0%
Spherical
0%
Triangular
Explanation
The plateau of India is roughly triangular in shape.
Consider the following statements
$$1$$. The Archaean System consists of the oldest rocks India.
$$2$$. The Dharma system is very well developed in Karnataka.
$$3$$. The Upper Vindhyan has enclosed diamond bearing horizons.
Which of the given statements is/are correct?
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$$1$$ only
0%
$$2$$ only
0%
$$1$$ and $$2$$ only
0%
$$1, 2$$ and $$3$$
The Himalayas started rising in the period of?
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Middle Miocene
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Middle Eocene
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Middle Oligocene
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Middle Paleocene
The correct chronological sequence of the Indian Geological Time Scale is?
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Aryan, Dravidian, Purana, Archaean
0%
Archaean, Purana, Dravidian, Aryan
0%
Dravidian, Aryan, Archaean, Purana
0%
Purana, Dravidian, Archaean, Aryan
A satellite moving in an elliptical orbit around the earth as shown. The minimum and maximum distance of the satellite from earth are $$3$$ unit and $$5$$ unit respectively. The distance of satellite from earth is at 'P' is ______ (unit)
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$$4$$
0%
$$3$$
0%
$$3.75$$
0%
$$6$$
The Indian Standard time is 5 and half hour ahead of GMT to or false
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0%
True
0%
False
Explanation
Answer
True
Explanation:
India Standard Time ( IST ) is 5:30 hours (5 hours 30 minutes) ahead of Greenwich Mean Time .
Which of the following is not a Jovian planet?
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Jupiter
0%
Earth
0%
Saturn
0%
Neptune
Explanation
There are four Jovian planets:
Jupiter
,
Saturn
,
Uranus
, and
Neptune
. These four planets also called as outer planets. Their compositions are mostly gases, such as hydrogen, and small amounts of rocky material. Here Earth is not a Jovian planet.
Which statement describes the density of the inner planets?
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All the inner planets are dense.
0%
The inner planets are less dense than the outer planets.
0%
.Earth is dense, while the other inner planets are not.
0%
Mercury and Venus are dense, while Earth and Mars are not.
Explanation
Answer
All the inner planets are dense.
Tick the correct option.
The equator does not pass through which one of the following continents?
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Europe
0%
South America
0%
Asia
0%
Africa
What is true about relative humidity
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It is the temperature to which a parcel of air would need to be cooled to reach saturation
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It is the general term used to describe the amount of water vapor in the air
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It indicates the actual quality of water vapor in the air
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It indicates how near the air is to saturation
Which of the following is a function of the geosphere?
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providing a moderate, livable climate
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serving as the interface between the other spheres
0%
facilitating the movement of water through spheres through transpiration
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facilitating the process of photosynthesis
In usa early century what were cornet star sun moon
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Bus manufactures
0%
motor car manufacturers
0%
motor cycle manufacturers
0%
bi cycle manufactures
According to the 'Theory of Plate Tectonics,' what have been the effects of the movement of the plates?
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Change in position and size of continents.
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Formation of ocean basins
0%
Evolution of the present landforms and relief of India,
0%
All of the above
According to the 'Theory of Plate Tectonics,' in the event of two plates coming together, which of the following is not possible?
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The plates may collide and crumble
0%
The plates may move horizontally past each other.
0%
The plates may form divergent boundary
0%
One plates may slide under the other.
Ox bow lakes are found in
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glaciers
0%
river valleys
0%
deserts
0%
mountains
Explanation
(B)
Explanation:
Oxbow lakes are found in river valleys. An oxbow is a crescent-shaped lake lying alongside a winding river. The oxbow lake is created over time as erosion and deposition of soil changes the river's course.
The air layer of atmosphere whose temperature is less than the hot layer behave as optically
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0%
denser medium
0%
rarer medium
0%
inactive medium
0%
either denser or rarer medium
_______ for centuries that the world is round, but before that everyone thought it was flat.
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It has been believed
0%
It was always been believed
0%
It is believable that
0%
It have been believed
Explanation
It has been believed for centuries that the world is round, but before that everyone thought it was flat.
Which one of the following disciplines attempts temporal synthesis?
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Sociology
0%
Geography
0%
Anthropology
0%
History
When there is noon at IST meridian, people in another place of the Earth are taking their 6 O' clock morning tea. The longitude of the place is ______.
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$${7}^{o}30''E$$
0%
$${7}^{o}30''W$$
0%
$${172}^{o}30''E$$
0%
$${90}^{o}W$$
Explanation
If the time of the concerned place is 6 hours behind Indian Standard Time (IST), which itself is 5.5 hours ahead of Greenwich Mean Time (GMT), it means that it is located to the west of Prime Meridian, i.e. 0 degrees meridian. A difference of 15 degrees in longitude represents 1 hour of difference. This means that the given location is located 7.5 (15 divided by 2) degrees west of the Prime Meridian, i.e 7 degrees and 30 minutes W.
Which of the following statements is the reason for 'Seasons' on the surface of the Earth?
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Rotation of the Earth
0%
Revolution of the Earth around the Sun
0%
The 23.5 degrees inclination of the Earth's rotation axis with respect to the plan of the ecliptic
0%
Revolution of Earth in elliptical orbit around the Sun
Explanation
The earth has an axial tilt of 23.5 degrees which means that its rotation axis is inclined to its orbital axis at an angle of 23.5 degrees. This causes one pole of the earth to be directed more towards the Sun on one side of the orbit, and the other pole on the other side. This is the reason for occurrence of 'seasons' on earth.
What is the difference between asteroids and comets?
(1) Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
(2) Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
(3) Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is/are correct?
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0%
1 and 2
0%
1 and 3
0%
Only 3
0%
All of the above
Explanation
Difference between asteroids and comets lies mainly in their composition. Both were formed during the early phase of the solar system. Asteroids consist mainly of rocky and metallic material, while comets comprise if ice, frozen gases, dust and rocky and metallic material.
Asteroids are found nearer to the Sun while comets are found farther from the Sun as the heat can melt away comet's ice. In fact, when a comet approaches the Sun, it starts losing its ice because of the Sun's heat as a result of which a perceptible glowing tail can be seen.
Match List I with List correct answer using the the Lists:
List I
(Low-latitude Climate)
List II
(Characteristic)
A. Wet Equatorial
1. Uniform temperatures, mean near $$27^o C$$
B. Monsoon and trade
2. Marked temperature cycle with very high temperature before the rainy season
C. Wet-dry tropical
Temperatures show an annual cycle with high temperature in the high-Sun season Strong temperature cycle. with intense temperature during high-Sun season
D. Dry tropical
Strong temperature cycle, with intense temperature during high-Sun season
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A-2, B-3, C-4, D-1
0%
A-1, B-2, C-3, D-4
0%
A-2, B-4, C-3, D-1
0%
A-1, B-3, C-2, D-4
Which of the following statements concerning temperature is/arc correct
In winter season isotherms in Northern Hemisphere are more or less circular on continents
Isotherms are parallel to latitude in Southern Hemisphere in oceans
Minimum temperature during winter is recorded in Northern Canada
Select the correct answer using the code given below:
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0%
1 and 2 only
0%
1 and 3 only
0%
1, 2 and 3
0%
2 only
Which of the following statements concerning Mediterranean climatic region are correct?
It is found in the latitude range $$30^o \,\,to\,\, 45^o$$ northern and southern hemisphere
Mediterranean climate experiences extreme temperature conditions
In Mediterranean climate, rainfall occurs mainly during summer season
In Mediterranean climate, rainfall is mainly due to Westerlies
Select the correct answer using the code given below:
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0%
1, 2 and 4
0%
1 and 4 only
0%
1, 2 and 3
0%
3 and 4
Explanation
The Mediterranean climate is usually characterized by rainy winters and dry, warm to hot summers. The regions are
between roughly 30 and 45 degrees north and south of the equator. The
weather in the region is very dry, stable, and pleasant.
Mediterranean climates receive around 20 inches of annual (yearly) rainfall.
The main controlling factor over the characteristics of the dry summer subtropical
climate
is the alternating influence of the subtropical high in summer and
Westerlies
during the winter.
The free fall acceleration g increases as one proceeds, at sea level, from the equator toward either pole. The reason is:
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Earth is a sphere with same density everywhere
0%
Earth is a sphere with different density at the polar regions than in the equatorial regions
0%
Earth is approximately an ellipsoid having its equatorial radius greater than its polar radius by 21 km
0%
Earth is approximately an ellipsoid having its equatorial radius smaller than its polar radius by 21 km
South Pacific island nation Samoa, positioned to the East of the International Date Line, on May 2011 decided to forego a day and shift to the time zone on its West. The reason for this shifting is to ________.
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0%
facilitate smooth internal administration throughout the country
0%
attain political stability in the country
0%
facilitate trade with Australia and New Zealand
0%
promote tourism industry in the country
Explanation
Samoa decided to shift to the west of the International Date Line in order to come in the same time zone as Australia, New Zealand and Eastern Asia which would have facilitated trade with these nations and thus would have been in the economic interests of Samoa.
Weather maps are published in India from:
Report Question
0%
Mumbai
0%
Pune
0%
Delhi
0%
Dehradun
Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter)?
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0%
Mars-Venus-Earth-Mercury-Uranus
0%
Mercury-Mars-Venus-Earth-Uranus
0%
Mercury-Mars-Venus-Uranus-Earth
0%
Venus-Mercury-Mars-Earth-Uranus
Explanation
The correct sequence of the planets in increasing order of their sizes is as follows: Mercury < Mars < Venus < Earth < Neptune < Uranus < Saturn < Jupiter
What is the relationship between solar day and sidereal day?
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Solar day is shorter than sideral day
0%
Solar day is longer than sideral day
0%
Both are equal
0%
There is no relationship between the two
Explanation
Solar day is time taken for the Sun to appear on the same meridian in the sky. Sidereal day refers to time taken for a distant star to appear in the same meridian in the sky, which is in fact equal to time taken for the earth to rotate around its own axis as the angular speed is measured by taking distant stars as references.
Earth moves a little less than a degree around the Sun during the time it takes for 1 full axial rotation. So, for the Sun to appear on the same meridian in the sky again after 1 full axial rotation, the Earth has to rotate one extra degree to bring the Sun in to the same apparent meridian in the sky. This is why the solar day is longer than the sidereal day by about 4 minutes.
If the time of a place located on $${165}^{o}E$$ meridian is 11:00 pm on Sunday, what would be the time at the place located on $${165}^{o}W$$ meridian?
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0%
1:00 pm on Sunday
0%
12:00 noon on Sunday
0%
1:00 am on Sunday
0%
11:00 pm on Sunday
Explanation
A difference of 15 degrees in longitude accounts for 1 hour of time difference. In this case, total difference in longitude is 330 degrees which means that total time difference between the two places would be 330/15 which is equal to 22 hours. Thus the time at the place at 165 degrees West would be 1 AM (Sunday).
Consider the following statements:
(1) When the Sun, the Earth and the Moon are aligned in a straight line, the position is referred to as SYZYGY.
(2) When the Sun and Moon are in straight line, it results in Spring Tide.
(3) When the Sun and Moon are in right angle, it results in Neap Tide.
Which of the statements given above is/are correct?
Report Question
0%
1 and 2
0%
2 and 3
0%
1 and 3
0%
1, 2 and 3
Explanation
SYZYGY, in astronomy, basically refers to a particular situation when three celestial bodies come in a straight line in a gravitational system. The word is often used in reference to the Sun, the Moon and the Earth coming in straight line.
Spring tides occur on full moon and new moon when the Sun, the Moon and the Earth are in straight line. Neap tides, on the other hand, occur when the Sun and the Moon are at right angle to each other. Average range of tides is higher in case of spring tides.
Nearly 30% of the solar radiations return back to the space without contributing anything to the Earth's surface temperature. This amount of radiation is known as ________.
Report Question
0%
solar insolation
0%
tropopause
0%
earth's albedo
0%
mesopause
Explanation
Albedo is a measure of reflection of solar radiation out of the total solar radiation incident on a body. It is measured on a scale of 0 to 1. Earth's albedo is about 0.30, which means it reflects almost 30% of the solar radiation incident on it.
Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of universe?
(1) Detection of microwaves in space.
(2) Observation of red shift phenomenon in space.
(3) Movement of asteroids in space.
(4) Occurrence of supernova explosions in space.
Select the correct answer using the codes given below.
Report Question
0%
1 and 2
0%
Only 2
0%
1, 3 and 4
0%
None of these
The only planet whose period of rotation is longer than the period of revolution around the Sun is _____________.
Report Question
0%
Mercury
0%
Venus
0%
Mars
0%
Neptune
Explanation
The period of rotation of Venus on its own axis is about 243 Earth days, while the period of revolution of Venus around the Sun is about 225 Earth days. Moreover, Venus spins in backwards direction when compared to most other planets. This means that the Sun rises in the West and sets in the East at Venus.
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