(b) (i), (iii) and (iv) Explanation Yeast, reproduce by budding (small buds develop from body wall of parent that separate... View Article
When an electrical signal reaches the axonal end of a neuron, it releases a chemical substance. This chemical diffuses towards... View Article
The nervous system controls and coordinates all the functions in the body. It carries out its functions in close coordination... View Article
Reflex is an involuntary and sudden response to stimuli. It happens to be an integral component of the famed survival... View Article
There are four types of naturally occurring plant hormones. These are auxin, gibberellins, cytokinin and abscisic acid. The physiological effect... View Article
(a) Thyroxine hormone regulates carbohydrate, protein and fat metabolism in the body to provide the best balance for growth. (b)... View Article
Central Nervous System : It is hollowed part of nervous system that lies along the mid-dorsal part of the body.... View Article
Brain has three major parts or regions, namely the forebrain, midbrain and hindbrain. The major parts of the brain and... View Article
Testes Explanation Testes are the glands which are present only in males and secrete male sex hormone, testosterone. Testes are... View Article
Adrenal glands are located on the top of two kidneys. They are thus also called as supra renal gland. Explanation... View Article
Pancreas Explanation Though pancreas is an exocrine gland it functions both as a digestive exocrine gland and a hormone-producing endocrine... View Article
Pituitary Explanation The Pituitary gland, also known as the hypophysis, is a pea-sized endocrine gland situated at the base of... View Article
Thyroxine Explanation Thyroxine or T4 is a hormone secreted into the bloodstream by the thyroid gland. It is the inactive... View Article
Insulin Explanation Insulin and glucagon are hormones that help regulate the body’s glucose levels.When the body digests food rich in... View Article
Growth hormone Explanation Growth hormone(GH) is secreted by the anterior pituitary gland. Over-secretion of GH stimulates abnormal growth of the... View Article
Hormone responsible for the changes noticed in females at puberty is: Oestrogen. Explanation Estrogen is the female sex hormone produced in... View Article
Iodine is an element that is needed for the production of thyroid hormone. The body does not make iodine, so... View Article
Tropic movement is the movement of the plant in response to the stimulus present in the environment, this movement is... View Article
a) Dendrite b) Cell body c) Axon d) Axon terminal Explanation Dendrites These are branch-like structures that receive messages from... View Article
Figure a) is more accurate because in figure a plant root shows positive geotrophism and shoot shows positive phototrophism. Explanation... View Article
