Correct statement

c. Pineal secretes a hormone called melatonin. It influences metabolism, pigmentation,the menstrual cycle as well as our defense capability.

d. Thymus gland secretes the peptide hormones called thymosins. Thymosins play a major role in the differentiation of T-lymphocytes, which provide cell-mediated immunity.

e. Thyroid gland also secretes a protein hormone called thyrocalcitonin (TCT) which regulates the blood calcium levels. Incorrect statement

a. Prolactin released from anterior pituitary regulates growth of mammary glands and milk formation in females.

b. Neurohypophysis (pars nervosa) also known as posterior pituitary, stores and releases two hormones called oxytocin and vasopressin, which are actually synthesised by the hypothalamus and are transported axonally to neurohypophysis.