Question

question 2
which of the following glands secretes watery plasma - like secretions rich in digestive enzymes?
serous gland
mucous gland
exocrine gland
endocrine gland

Explanation:

Serous glands secrete watery, plasma - like fluids rich in digestive enzymes. Mucous glands secrete mucus. Exocrine glands have a broader category (which includes serous and mucous glands but the description here specifically fits serous). Endocrine glands secrete hormones into the bloodstream.

Answer:

Serous gland