Angiotensin II is a strong vasoconstrictor. It increases blood pressure by constricting blood vessels. It also stimulates the secretion of... View Article
Dehiscent fruits are the fruits, which open up at maturity and seeds are released after the pericarp split open, e.g. legume, poppy, etc. The... View Article
20-25% of CO2 is transported bound to haemoglobin as carbamino-haemoglobin. When the partial pressure of CO2 (pCO2) is higher and pO2 is lower,... View Article
Jellyfish is radially symmetrical. It belongs to the phylum Coelenterata. It is umbrella-shaped free-swimming having medusa body form. Also... View Article
Renin is released from juxtaglomerular cells in response to decreased glomerular blood flow. It converts angiotensinogen to angiotensin I and... View Article
An increase in temperature generally increases the enzyme activity and rate of reaction and lowering the temperature slows down the enzymatic... View Article
Yes, Azolla is a heterosporous fern. It produces bigger female spores called megaspores and smaller male spores called microspores. Also Check:... View Article
The carbohydrate digesting enzymes are salivary amylase, pancreatic amylase, maltase, lactase, sucrase, etc. Also Check: What is Digestion... View Article
Pseudocoelom or false coelom is found in the phylum Aschelminthes. Pseudocoelom is not lined by mesoderm. Scattered pouches of mesoderm are found... View Article
Nitrosomonas is a nitrifying bacteria, which oxidises ammonia to nitrite. It is a chemoautotroph. Also Check: Nodule Formation NEET Questions... View Article
Estrogen and progesterone are the two main female sex hormones. Estradiol is the most important estrogen hormone. Estrogen regulates the... View Article
The most common androgen is testosterone. It is synthesised and secreted by Leydig cells. Androgens regulate the development of the male... View Article
Insufficient adrenal hormones cause acute weakness, fatigue, low blood pressure, muscle weakness, hypoglycemia, etc. Also Check: How Can The... View Article
Vasopressin or ADH is a vasoconstrictor. It constricts blood vessels and thereby increases blood pressure. It is stored and released by the... View Article
Thyroid hormones, triiodothyronine (T3) and tetraiodothyronine (T4) or thyroxine require iodine for the synthesis in the thyroid gland. Also... View Article
Sodium and potassium level is regulated by the hormone aldosterone. It is a mineralocorticoid secreted by the adrenal cortex. It stimulates the... View Article
Sodium and water balance in the body is regulated by aldosterone (mineralocorticoid) secreted by adrenal glands and ADH secreted by the posterior... View Article
Yes, kidneys regulate total potassium concentration in the body and maintain sodium-potassium balance. The ionic balance of the body is... View Article
Aldosterone is the main mineralocorticoid secreted by the adrenal cortex. It helps in maintaining water and electrolyte balance. It stimulates... View Article