Match the following:
| Satellite | Launch year |
| 1. Aryabhatt | a. 1980 |
| 2. APPLE | b. 1975 |
| 3. Bhaskar | c. 1981 |
| 4. Rohini | d. 1979 |
Answer & explanation
Correct answer: option 2
The correct answer is Option 2: 1-b, 2-c, 3-d, 4-a
| Satellite | Launch year |
| 1. Aryabhatt | b. 1975 |
| 2. APPLE | c. 1981 |
| 3. Bhaskar | d. 1979 |
| 4. Rohini | a. 1980 |
NCERT: Aryabhatt was launched on 19 April 1975, Bhaskar-I in June 1979 and Rohini in 1980. APPLE (Arian Passenger Payload Experiment) was launched on 18 June 1981.