(iv) Endocrine System: General study of the following glands: Adrenal, Pancreas, Thyroid and Pituitary. Endocrine and Exocrine glands.
- Differences between Endocrine and Exocrine glands.
- Exact location and shape of the endocrine glands in the human body.
- Hormones secreted by the following glands: Pancreas: insulin and glucagon; Thyroid: only thyroxin; Adrenal gland: Cortical hormones and adrenaline; Pituitary: growth hormone, tropic hormones, ADH and oxytocin.
- Effects of hypo secretion and hyper secretion of hormones.
- A brief idea of Feedback mechanism with reference to TSH.
Chemical coordination in Plants (Plant Physiology 2(iv)): A general study of plant growth regulators; Tropic movements in plants.
- A brief idea of the physiological effects of Auxins, Gibberellins, Cytokinins, Abscisic acid and Ethylene in regulating the growth of plants.
- A basic understanding of the tropic movements in plants with reference to โ Phototropism, Geotropism, Hydrotropism, Thigmotropism and Chemotropism (supported with suitable examples).