Match Column I with Column II:

Column I	Column II
(a) Obligate aerobes	(i) Generally, respire anaerobically but can also survive in the presence of oxygen
(b) Facultative anaerobes	(ii) Generally, respire aerobically but can also survive in the absence of oxygen
(c) Obligate anaerobes	(iii) Respire only in the presence of oxygen
(d) Facultative aerobes	(iv) Respire only in the absence of oxygen

• A

   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

• B

  (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

• C

   (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)

• D

   (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)