1.	The approximate period between two consecutive new moons is _____ days. ?
	15.5
	28.5
	29.5
	15
	Answer: 29.5 Explanation: The approximate period between two new moons is 29.5 days. The time interval between a full moon and the next repetition of the same phase, a synodic month, averages about 29.53 days. Therefore, in those lunar calendars in which each month begins on the day of the new moon, the full moon falls on either the 14th or 15th day of the lunar month.
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2.	During the phenomenon of aphelion, the approximate distance between the earth and the sun is ?
	137 million km
	152 million km
	147 million km
	142 million km
	Answer: 152 million km Explanation: During the phenomenon of aphelion, the approximate distance between the Earth and Sun is 152 million km. Aphelion is the point of the Earth’s orbit that is farthest away from the Sun. Perihelion is the point of the Earth’s orbit that is nearest to the Sun.
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3.	In the sequence of planets in the solar system, which planet comes in between Mars and Saturn ?
	Venus
	Mercury
	Uranus
	Jupiter
	Answer: Jupiter Explanation: Sequence of planets in the solar system Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Jupiter is the fifth planet from the Sun and the largest in the Solar System.
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4.	Europa is the natural satellite of ?
	Saturn
	Uranus
	Jupiter
	Mars
	Answer: Jupiter Explanation: Europa is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet of all the 79 known moons of Jupiter. It is also the sixth-largest moon in the Solar System.
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5.	Which of the following is the outer layer of the Earth that is made of plates which fit together like a jigsaw puzzle ?
	Lithosphere
	Biosphere
	Mesosphere
	Asthenosphere
	Answer: Lithosphere Explanation: The rigid outer layer of the Earth, called the lithosphere, is made of plates which fit together like a jigsaw puzzle. These solid but lightweight plates seem to "float" on top of a more dense, fluid layer underneath.
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6.	The solar eclipse occurs when ?
	an asteroid comes between the sun and the moon
	the moon moves too far away from the sun
	the sun comes between the moon and the earth
	the moon comes between the earth and the sun
	Answer: the moon comes between the earth and the sun Explanation: A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of a new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.
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7.	Which of the following is known as the study of earthquakes ?
	Seismology
	Lithology
	Semiology
	Histology
	Answer: Seismology Explanation: Seismology is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.
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8.	The theory that dinosaurs were driven to extinction by the aftermath of a large asteroid impact on Earth was given by ______ ?
	Wilhelm Rontgen
	Luis Alvarez
	Henry Moseley
	William Crookes
	Answer: Luis Alvarez Explanation: The theory that dinosaurs were driven to extinction by the aftermath of a large asteroid impact on earth was given by Luis Alvarez. Luis Walter Alvarez was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968. The American Journal of Physics commented, "Luis Alvarez was one of the most brilliant and productive experimental physicists of the twentieth century."
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9.	About 70% of the Sun is made up of ___ ?
	Hydrogen
	Oxygen
	Carbon
	Helium
	Answer: Hydrogen Explanation: The Sun is a huge, glowing sphere of hot gas. Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur.
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10.	The term ‘Blood Moon’ is used to refer to ____ ?
	Solar Eclipse
	Crescent Moon
	Lunar Eclipse
	Full Moon
	Answer: Lunar Eclipse Explanation: A total lunar eclipse is sometimes called a Blood Moon, because of the reddish tinge the Full Moon takes on when fully eclipsed. The term is also frequently used to describe four total lunar eclipses that occur in a row. Earth's atmosphere filters out blue light.
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