Answer: A) Hard disk Explanation: Most operating systems store files on a hard disk.

Answer: D) Carbon Explanation: Carbon is found in all organic compounds.

Answer: B) Earth Explanation: Earth is not a Jovian Planet as it is a Terrestrial planet. A planet designated as Jovian is hence a gas giant, composed primarily of hydrogen and helium gas with varying degrees of heavier elements.   Within the Solar System, four Jovian planets exist – Jupiter, Saturn, Uranus, and Neptune. Though these planets vary in terms of size, mass, and composition, they all share certain characteristics that cause them to differ greatly from the terrestrial planets located in the inner Solar System.

Answer: B) are nutrient-poor environments Explanation:

Answer: B) Executive Explanation:

Answer: C) Cart Explanation: Here the given words are related in such a way that, Trailer is pulled by Tractor and similarly, Cart is pulled by Horse.   Hence, Tractor : Trailer :: Horse : Cart.

Answer: D) Hockey Explanation:

Answer: C) Calamari Explanation: Here the given words follow a relation in such a way that, grapes are made into wine. Similarly, squid are made into calamari.   Hence, Grapes : Wine :: Squid : Calamari