Answer 'On' is correct because buttons are placed on the surface of a dress, so 'put red buttons on the dress' is appropriate.

'Transmission control Protocol' is the correct full form of the acronym TCP used in networking, so that expansion fits.

Answer '5' is correct because humans traditionally have five senses: sight, hearing, taste, smell, and touch.

Answer 'At' is correct because we laugh at someone (directing the action toward them), so 'Never laugh at the old persons' is the proper phrasing.

M1 — the motorway that links Peshawar to Islamabad is designated M1, so M1 is the correct route number.

337 km — the stated total length of Lake Victoria is 337 km, so 337 km is the correct figure.

1997 — Pakistan's first motorway project was inaugurated in 1997, so 1997 is the correct year.

Karachi — the All India Muslim League held its first annual meeting in Karachi, so Karachi is the correct city.

Pir Panjal — Murree is situated in the Pir Panjal range, so Pir Panjal is the appropriate mountain range.

145 — after the merger of FATA into Khyber Pakhtunkhwa, the number of general assembly seats was set at 145, making 145 the correct count.