The dark patches, associated with the Sun storms present in Sun are called
Sunspots
Pulsars
White Dwarfstar
Supernova
Correct Answer :
A. Sunspots
Related Questions
What part of the moon's surface can be visible from the earth?
1.59
1.41
0.5
1/3rd
Period of sunspot cycle is
11 years
15 years
21 years
33 years
The shortest route between two places is along the
longitudes
latitudes
rivers
direction of winds
A celestial body having its own heat and light is called
Planet
Moon
Star
Satellite
The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron
1 and 2
2 and 3
3 and 4
1,2 and 4
Earth ranks _____ in the Solar System away from the Sun.
5th
4th
6th
3rd
Polar circumference of the Earth is
40000 km
4000 km
50000 km
5000 km
The planet of lowest density (0.69) is __ .
Jupiter
Saturn
Neptune
Pluto
Which planet has the largest equatorial radius?
Jupiter
Saturn
Mars
Earth
The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called
Quasars
Polar Auroras
Meteorites
Pulsar
The atmosphere of Venus contains large quantity of
Carbondioxide and sulphuric acid
Carbondioxide and nitric acid
Nitrogen and sulphuric acid
Nitrogen and nitric acid
What is the name given to the widened rivermouth found at the point a river enters the sea?
Estuary
Bay
Gulf
Delta
On which date is the Earth in 'aphelion'?
July-4
December-22
September-23
June-21
Which is the second largest satellite in the Solar System?
Titan
Charon
Ganymede
Europa
What is the average radius of the Earth?
6071km
6571km
6371km
6771 km
Largest planet of our Solar System is _____.
Jupiter
Mars
Saturn
Uranus
Which of the following planets is called 'blue planet'?
Venus
Earth
Mars
Uranus
A leap year consists of
365 days
365 days and 6 months
364 days
366 days
The solar eclipse takes place when
The Earth comes between the Sun and the Moon
The Moon passes between the Sun and the Earth
The Sun comes between the Earth and the Moon
The Planets of the Solar System lies on the same plane
Which of the following conditions la the most relevant for the presence of life on Mars?
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone
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
Equatorial circumference of the Earth is
40067 km
50067 km
4067 km
5067 km
Big Bang Theory' explains
the formation of universe
the origin and evolution of earth's crust
formation of Solar System
formation of constellation
Brightest planet of our Solar System is _____.
Venus
Mercury
Uranus
Saturn
Which star has the largest percentage In the universe
Single stars
Binary stars
Multiple stars
Cephied stars
Which of the following statements best describes longitudes?
An imaginary line on the earth's surface joining the north and south pole
The angular distance east or west of the Greenwich Meridian
The distance of place east or west of the Greenwich Meridian
The position of a place on the Earth surface with reference to the Prime Meridian
Going into the interior of the earth the weight of an object
Increases
Decreases
Remains unchanged
First increases and then decreases
What happens during the equinoxes?
The countries along the Equator are in darkness
The countries along the Equator are at their hottest
The countries along the Equator are at their wettest
The Sun shines vertically over the Equator
Earth revolves round the Sun In an orbit once In every __.
24 hours
20 hours
365 % days
366 days
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