Which of the following gland/s is/are exocrine gland/s?
a) liver and tear glands
b) salivary glands
c) sweat glands
d) all of these
Explanation all these have duct and release their secretion into it.
Which of the following cells directly release their secretion?
a) muscle cells
b) brain cells
c) goblet cells
d) testis cells
Explanation goblet cells release mucin on the target surface by Exocytosis.
Which of the
following are ductless glands?
a) Endocrine glands
b) exocrine glands
c) both a and b
d) none them
Explanation Endo means inside, crine means to secrete
Which of the following is/are endocrine gland/s?
a) liver and tear glands
b) salivary glands
c) pituitary glands
d) all of these
Explanation endocrine glands produce hormones by Exocytosis to extracellular space from their transported by blood to the target tissues.
Goblet cells are scattered in……..
a) epithelial lining of the intestinal tract
b) epithelial lining of the respiratory tract
c) cardiac muscles and smooth muscles cells
d) both a and b
Explanation these cells produce Mucin which dissolve in water and form mucus
Chemically hormones are of……..basic types.
a) three
b) four
c) five
d) two
Explanation 1. Steroids 2. Amino acids and their derivatives and 3. Proteins and polypeptides
