Answer:
(a) Gastrointestinal
tract, kidney and heart also produce hormones other than endocrine glands
hence, the statement is True. Gl tract secretes hormones such as gastrin, secretin,
cholecysto kienin etc., Kidney secretes renin and erythropectin. Heart secretes
anti-natriuretic factor
(b) Pars distalis
produces six trophic hormones, i.e., Growth Hormone (GH) Prolactin (PRL),
Thyroid Stimulating Hormone (TSH), Adrinocortico Trophic Hormone (ACTH), Luteinising
Hormone (LH) and Follicle Stimulating Hormone (FSH) hence, the statement is
True.
(c)
T-lymphocytes are involved in providing cell-mediated immunity not
B-lymphocytes hence, the statement is False.
(d) The
Insulin Dependent Diabetes Mellitus (IDDM) is caused by the failure of beta
cells to produce adequate amount of insulin hence, results in a disease called
diabetes mellitus. So, the statement is True.
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