What is the name given to the widened rivermouth found at the point a river enters the sea?
Estuary
Bay
Gulf
Delta
Correct Answer :
A. Estuary
Related Questions
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
The dark patches, associated with the Sun storms present in Sun are called
Sunspots
Pulsars
White Dwarfstar
Supernova
When the earth is at its maximum distance from the Sun it is said to be in
Perigee
Apogee
Perihelion
Aphelion
Which of the following is known as 'King of Planets'?
Earth
Jupiter
Mercury
Venus
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
What part of the moon's surface can be visible from the earth?
1.59
1.41
0.5
1/3rd
A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?
Mars and Jupiter
Earth and Venus
Neptune and Pluto
Jupiter and Saturn
The word 'planet' means ____.
wanderer
pollution
celestial body
heavenly body
Arrange the Outer Planets in increasing order of their sizes.
1. Jupiter
2. Uranus
3. Saturn
4. Neptune
4, 2, 3, 1
4, 2, 1, 3
2, 4, 3, 1
4, 2, 3, 1
Nearest star to the earth is _____.
Alfa Centaury
Sun
Proxima Centaury
Dog Star
Average temperature of the Earth is.
14°C
24°C
34°C
20°C
How much time is taken by the Moon in completing one revolution around the Earth?
27 days
29 days
29.32 days
27.32 days
Which two planets do not have any satellites?
1. Mercury
2. Venus
3. Saturn
4. Pluto
1 and 2
2 WtQ 3
3 and 4
1 and 4
What is the position of the moon called when it la farthest from the earth?
Perigee
Perihelion
Aphelion
Apogee
Deimos and Phobos are the satellites of
Earth
Mars
Uranus
Neptune
Our Solar System is an orderly community of _____.
One star
Two stars
Three stars
Four stars
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
A family or system of millions and millions of stars are called ____.
Universe
Solar System
Galaxy
Asteroids
Which planet does take the longest time in completing one revolution around the Sun?
Uranus
Saturn
Pluto
Neptune
Which of the following is 'the cruel planet' in Indian astrology?
Jupiter
Saturn
Uranus
Neptune
Outside Antarctica, which is the deepest part of the earth?
The Dead Sea
The Aral Sea
The Caspian Sea
Lake Baikal
Average density of the Earth is ( relative to water) __.
5.5
4.5
9.5
6.5
Which of the following is known as the Cold Planet?
Mars
Uranus
Jupiter
Venus
What proportion of the mass of the earth does the mass of the Moon equal?
1/81
1/18
1/27
1/72
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 planet does experience a day almost of the same duration as the Earth?
Venus
Mercury
Mars
Jupiter
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
If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the \
Equator
Tropic of Cancer
South Pole
North Pole
Going into the interior of the earth the weight of an object
Increases
Decreases
Remains unchanged
First increases and then decreases