Answer: Option B. -> Venus
:
B
- Venus is very similar to Earth in terms of size and mass. Due to this Earth and Venus do often get called "Planetary Twins".

Answer: Option D. -> Venus
:
D
- Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star.

Answer: Option B. -> orbit
:
B
- A planet has a definite path in which it revolves around the Sun. This path is called an orbit.

Answer: Option C. -> Uranus
:
C
- Our solar system has eight planets which revolve around the Sun.
- The order of planets in their distance from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. So, Uranus is the seventh planet from the Sun.

Answer: Option D. -> asteroid belt
:
D
Asteroid are rocky and metallic objects that orbit around the Sun.
The vast majority of asteroids that orbit within the main asteroid belt are located between the orbits of Mars and Jupiter.

Answer: Option B. -> (a) - (iv), (b) - (ii), (c) - (iii), (d) -(i)
:
B
- Venus is known as the "rocky" or "terrestrial" planet as itis similar to Earth in composition.
- Saturn is known as the gas giant because it is made up of gases and it is too huge that about 760 earths can fit into it.
- Uranusis known as an ice giant because it is made up of ice and it is too huge that 63 earths can fit into it.
- Pluto is known as the dwarf planet because of its size as it is even smaller than the Earth's moon.

Answer: Option C. -> Uranus
:
C

- Our solar system has eight planets which revolve around the Sun.
- The order of planets in their distance from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. So, Uranus is the seventh planet from the Sun.

Answer: Option B. -> 8
:
B

- Till 2006, Pluto was considered as the last planet of our solar system but after that it was excluded and was reclassified as a dwarf planet.
- Now, there are 8 planets in our solar system, on count from Mercury to Neptune.

Answer: Option B. -> Venus
:
B
- Venus is very similar to Earth in terms of size and mass. Due to this Earth and Venus do often get called "Planetary Twins".

Answer: Option B. -> Venus
:
B and D
The rotation of planets Venus and Uranus on their axes, is somewhat unusual. They rotate from the East to the West, while all other planets rotate from the West to the East.