The questions
1 Which father and son footballers both have more than 100 international caps?
2 In 1907, who opened her first classroom in Rome?
3 Which mythical beast had a human face, lion’s body and scorpion’s tail?
4 What becomes the Padma within Bangladesh?
5 Used in the 14th century, the pot-de-fer was an early type of what?
6 Whose work is sold and authenticated by the Pest Control Office?
7 Which African country is named from the Shona for “houses of stone”?
8 What list currently ends with oganesson?
What links:
9 Buckthorn bark; brazilwood; cochineal; madder; safflower?
10 Platypus (0); human (1); dolphin (2); ostrich (3); cattle (4)?
11 Brownie; Frankenstrat; Lucille; Red Special; Trigger?
12 Aktau; Baku; Makhachkala; Rasht; Türkmenbaşy?
13 Albert Square pub; Bombay Sapphire bottle; first postage stamp?
14 Big Bounce; Big Crunch; Big Freeze; Big Rip?
15 Asparagus; Burgh; Burrow; Lindisfarne; Mersea?

The answers
1 Peter and Kasper Schmeichel (Denmark).
2 Maria Montessori.
3 Manticore.
4 Ganges river.
5 Cannon.
6 Banksy.
7 Zimbabwe.
8 Periodic table of the elements (highest atomic number).
9 Natural red dyes.
10 Number of stomachs (or stomach compartments).
11 Named guitars: Bonnie Raitt; Eddie Van Halen; BB King; Brian May; Willie Nelson.
12 Cities on the Caspian Sea: Kazakhstan; Azerbaijan; Russia; Iran; Turkmenistan.
13 Featured images of Queen Victoria.
14 Theories of the origin and fate of the universe.
15 Tidal islands in England: Cornwall; Devon; Hampshire; Northumberland; Essex.