The mud mosque of Djenné is in which country? The Weekend quiz

The questions

1 Whose 1843 Note G is claimed to be the first computer program?
2 The southern elephant is the largest species of what mammal?
3 Which gland is located in the middle of the brain?
4 Whose third husband was Henry VIII?
5 The mud-rendered mosque of Djenné is in which country?
6 One in five Koreans have what family name?
7 What has an ‘e’ in Cambridge, but not in Oxford?
8 Which diminutive character was originally called Tommelise in Danish?

What links:

9 Gerry and the Pacemakers; Tubeway Army; Band Aid; Oasis; Tony Christie?
10 Genevieve; Christine; The Love Bug; Chitty Chitty Bang Bang?
11 Hostile; friendly; reverse; backflip?
12 Marlborough; Robin Goodfellow; Templegate; Newsboy; The Scout?
13 Aardvark; laager; meerkat; rondavel; trek; veld?
14 Cauldron Snout; High Force; Low Force; Bleabeck Force?
15 Vatican City; Malaysia; Cambodia (heads of state)?

The answers

1 Ada Lovelace.
2 Seal (pinnipeds).
3 Pineal.
4 Catherine Parr.
5 Mali.
6 Kim.
7 Magdalen(e) College.
8 Thumbelina.
9 Number Ones with questions: How Do You Do It?; Are “Friends” Electric?; Do They Know It’s Christmas?; D’You Know What I Mean?; Is This The Way To Amarillo?
10 Films named after cars.
11 Types of company takeover.
12 Newspaper racing tipsters.
13 Words of Afrikaans origin.
14 Falls/cataracts on the Tees.
15 Elective monarchies.