Question

Which of the following pair is/are correctly matched?
Spacecraft : Purpose
1. Cassini-Huygens : Orbiting the Venus and transmitting data to the Earth
2. Messenger : Mapping and investigating the Mercury
3. Voyager 1 and 2 : Exploring the outer solar system
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

Answer 1

2 and 3 only(Messenger and Voyager 1 and 2) is the correct answer.
Hope it helps you.

Answer 2

The correct answer is (b) 2 and 3 only  

1) Cassini- Casini spacecraft is for saturn, not for venus. so point 1 is wrong which eliminates all the 3 option except option (b) 2 and 3 only

2) Messenger - Messenger was a NASA robotic spacecraft that orbited the planet Mercury between 2011 and 2015. The probe was launched aboard a Delta II rocket in August 2004 to study Mercury's chemical composition, geology, and magnetic field

3)Voyager 1 and 2-  Voyager 1 is a space probe launched by NASA on September 5, 1977. Part of the Voyager program to study the outer Solar System. Voyager 2 is a space probe launched by NASA on August 20, 1977, to study the outer planets.