When is the World Population Day observed ?

• May, 31st
• October, 4th
• December, 10th
• July, 11th
Correct Option: D  [ July, 11th ]

Remark:

The first nuclear test conducted by India under the code name of "Smiling Buddha" was in the year:

• 1973
• 1974
• 1975
• 1976
Correct Option: B  [ 1974 ]

Remark: