What meridian is the International Date Line?
The 180° meridian
The O° meridian
The 90° meridian
The 135° meridian
Correct Answer :
A. The 180° meridian
Related Questions
What is peninsula?
A narrow belt of land
A mountainous island
A piece of land surrounded by water on three sides
A range of hills
Sidereal means
Pertaining or referring to the stars
Pertaining or referring to the moon
Pertaining or referring to the Sun
Pertaining' or referring to the cosmic bodies
Which of the following is not an astronomical object?
Pulsar
Brittle Star
Black hole
Quasar
The term 'syzygy' is referred to when the
Earth is at prihelion and Moon at perigee
Earth is at aphelion and Moon at apogee
Moon and Sun are at right angles with reference to the Earth
Moon, Sun and Earth lie along a straight line
When a year divisible by 4 and not divisible by 400 is called
Siderial Year
Solar Year
Cosmic Year
Leap Year
Polar Auroras are
Quasars
b) Pulsar
Aurora Borealis
White Dwarfstar
A family or system of millions and millions of stars are called ____.
Universe
Solar System
Galaxy
Asteroids
How much time does earth take in making one rotation on its axis with respect to a fixed star at infinite distance?
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
The length of its day and the tilt of its axis are almost identical to those of the Earth. This is true or
Uranus
Neptune
Saturn
Mars
The axis of Mars la inclined at an angle of
25°
30°
35°
15°
Which one of the following stars is nearest to the Earth?
Polaris
Alpha Centauri
Sun
Sirius
What is the difference between a lake and a tank?
A lake is small and a tank is big
A lake has flowing water, a tank has still water
A lake is a geographical feature, a tank is not
Both are land-enclosed water bodies, but the latter is man-made
The rate of rotation of the Earth on its axis is the highest on which of the following date?
It never changes
January-4
January-3
January-21
Polar diameter of the Eearth is.
17214 km
12741 km
12714 km
17124 km
Equatorial diameter of the Earth is __.
12757 km
17257 km
17527 km
17572 km
The difference between day and night increases as one moves
From equator to poles
From poles to equator
From tropics to equator
From plains to mountains
Who was the first person to describe the earth as a sphere?
Columbus
Varahmihir
Aryabhat
Copernicus
The dark patches, associated with the Sun storms present in Sun are called
Sunspots
Pulsars
White Dwarfstar
Supernova
What la the difference between a gulf and a bay?
A gulf is big and a bay is small
A gulf is at a rivermouth and a bay is not
A bay is surrounded by cliffs and a gulf by lowland
Both are part of the sea that extend considerably into the land, but a bay usually has a wider entrance than a gulf
The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause
Day and night
Varying lengths of day and night at different times of the year
Differences in time between places on different meridians
The deflection of winds
How many degrees north and south are the Tropics?
47 degrees
23.5 degrees
12 degrees
30 degrees
Which of the following is known as the Cold Planet?
Mars
Uranus
Jupiter
Venus
Equatorial circumference of the Earth is
40067 km
50067 km
4067 km
5067 km
Orion and Great Bear stand for ______.
star
planet
Solar System
Constellation
The Jupiter's atmosphere comprises mainly of
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Average density of the Earth is ( relative to water) __.
5.5
4.5
9.5
6.5
How many planets does our Solar System consist of?
9
6
7
10
When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
days and nights are of equal lengths in the Northern Hemisphere
Nights are longer than days in the Southern Hemisphere
Days and nights are of equal lengths at the poles
Night is equal to 24 hours at the North Pole
Distance between the Moon and the Earth is
1. Approximately 386000 km
2. 1.25 light seconds
Only 1
Only 2
Both land 2
None of these
A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called
Comet
Great Bear
Meteores
Asteroides