Microbiology Which one of the following is true about Giardia? A Cyst is infective to man B Inhabits duodenum and upper jejunam C Tropozoite has 2 flagella D Both 'a' and 'b' 💡 Explanation Which one of the following is true about Giardia? ✓ Correct Answer: D. Both 'a' and 'b'