This crossword No. 10834 clues and answers were published on Wed 26 Jan 2005 and the puzzle can be visited by following The Guardian Quick Crossword No. 10834 link.
All Across Clues and Answers:
1-across – Seize as penalty : CONFISCATE
7-across – False : SPURIOUS
8-across – Arduous journey : TREK
9-across – Smear roughly : DAUB
10-across – Aftermath of explosion – quarrel : FALLOUT
12-across – Downcast : CRESTFALLEN
14-across – Make using thread and hooked needle : CROCHET
16-across – Among : AMID
19-across – Metallic element used in batteries : ZINC
20-across – Mathematical study of points, lines, curves, surfaces etc : GEOMETRY
21-across – Appliance for cleaning plates, cutlery etc : DISHWASHER
All Down Clues and Answers:
1-down – Roman god of love : CUPID
2-down – Supply sustenance to : NURTURE
3-down – Press – club : IRON
4-down – Shipwrecked person : CASTAWAY
5-down – Complete sum : TOTAL
6-down – Come back : RETURN
11-down – Might : STRENGTH
12-down – Lower part of womb : CERVIX
13-down – London borough with palace and walk : LAMBETH
15-down – Spiny desert plants : CACTI
17-down – German painter and engraver : DURER
18-down – Duty list : ROTA
This crossword has in total 23 where 11 are across and 12 are down.