Which of the following fluids lack enzymes?

Which of the following fluids lack enzymes?

مندرجہ ذیل میں سے کون سے سیال میں خامروں کی کمی ہے؟
Explanation

Bile is a digestive fluid produced by the liver and stored in the gallbladder, but it does not contain digestive enzymes.

Instead, bile contains bile salts, which help emulsify fats, making them easier for enzymes like lipase to break down.