Questions

From the aboe given options, only extreme and unexplained tiredness is the symptom of AIDS.

The other symptoms of AIDS include: recurring fever, thrush — a thick, whitish coating of the tongue or mouth that's caused by a yeast infection and sometimes accompanied by a sore throat, diarrhea that lasts more than a week, headaches, lightheadedness, and/or dizziness.

The given matching is about the policies and acts names and in which year they took place.

Here Green Revolution - 1991 is given and which is not TRUE. It took place in between 1960 - 1980.

ECHO.

A grouping of stars that resembles a picture i.e, forms an imaginary outline or pattern typically representing an animal, mythological person or creature, a god, or an inanimate object is called a constellation. The night sky is divided into 88 sections called constellations.

Hindol Sengupta

Hubs are specified or operate at Layer1 i.e, the physical layer in the OSI model. Hubs regenerate electrical signals. A hub sends data packets (frames) to all devices on a network, regardless of any MAC addresses contained in the data packet.