1. Which blood group is called universal donor?

a. AB Positive
b. A Positive
c. B Negative
d. O Negative

2. Which one of the following has recently a communication satlelite for Indonesia into orbit?

a. JSRO
b. Space
c. NASA
d. JAXA

3. In absorption of inosolation the most signficant part is played by

a. Ozone
b. Oxygen
c. Haze
d. Carbon dioxide