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Blood sugar level rises due to deficiency of which hormone?

Insulin Insulin and glucagon are hormones that help regulate the body’s glucose levels.When the body digests food rich in carbohydrates,... View Article

Dwarfism results due to deficiency of which hormone?

Growth hormone Growth hormone(GH) is secreted by the anterior pituitary gland. Over-secretion of GH stimulates abnormal growth of the body... View Article

Which hormone is responsible for the changes noticed in females at puberty?

Hormone responsible for the changes noticed in females at puberty is: Oestrogen. Estrogen is the female sex hormone produced in the... View Article

What will happen if the intake of iodine in our diet is low?

Iodine is an element that is needed for the production of thyroid hormone. The body does not make iodine, so it is an essential part of your... View Article

What is a tropic movement? Explain with an example.

Tropic movement is the movement of the plant in response to the stimulus present in the environment, this movement is in response to root and... View Article

Label the parts of a neuron in Figure

a) Dendrite b) Cell body c) Axon d) Axon terminal Dendrites These are branch-like structures that receive messages from other neurons and... View Article

In Figure (a), (b) and (c), which appears more accurate and why?

Figure a) is more accurate because in figure a plant root shows positive geotrophism and shoot shows positive phototrophism. The roots of a... View Article

Label the endocrine glands in the Figure.

a) Pineal Gland b) Pituitary gland c) Thyroid gland d) Thymus This is also a gland located in the brain. It releases the hormone called... View Article

Name the plant hormones responsible for the following (a) elongation of cells (b) growth of stem (c) promotion of cell division (d) falling of senescent leaves.

1. Growth of the stem - Gibberillins 2. Promotion of cell division- cytokinins 3. Inhibition of growth - Abscissic acid in seed, Auxins in... View Article

Label the parts (a), (b), (c) and (d) and show the direction of flow of electrical signals in Figure

a) Sensory neuron b) Spinal cord c) Motor neuron d) Muscle The sensory neurons convert signals from the external environment into... View Article

In humans, the life processes are controlled and regulated by (a) reproductive and endocrine systems (b) respiratory and nervous systems (c) endocrine and digestive systems (d) nervous and endocrine systems

d) Nervous and endocrine systems Nervous System Endocrine System Electrical impulses are the messengers in the nervous system Hormones are... View Article

The junction between two neurons is called (a) cell junction (b) neuromuscular junction (c) neural joint (d) synapse

d) Synapse Synapse, also called neuronal junction, the site of transmission of electric nerve impulses between two nerve cells (neurons) or... View Article

Which of the following endocrine glands is unpaired? (a) Adrenal (b) Testes (c) Pituitary (d) Ovary

c) Pituitary The pituitary gland is an endocrine gland. It is present near the base of the brain. It is a gland that is not paired. Endocrine... View Article

The hormone which increases the fertility in males is called (a) oestrogen (b) testosterone (c) insulin (d) growth hormone

b)Testosterone Testosterone is a sex hormone that is secreted by the testes. In males, it is produced by the testes and ovaries in females. The... View Article

A doctor advised a person to take an injection of insulin because (a) his blood pressure was low (b) his heart was beating slowly (c) he was suffering from goitre (d) his sugar level in blood was high

d) His sugar level in blood was high Insulin is delivered from pancreas, from a specific cell called beta cells in Islets of Langerhans. If you... View Article

Dramatic changes of body features associated with puberty are mainly because of the secretion of (a) oestrogen from testes and testosterone from ovary (b) estrogen from adrenal gland and testosterone from pituitary gland (c) testosterone from testes and estrogen from ovary (d) testosterone from thyroid gland and estrogen from pituitary gland

c) Testosterone from testes and estrogen from ovaries. The male hormone testosterone starts releasing from the testes at the time of... View Article

Dwarfism results due to (a) Excess secretion of thyroxin (b) Less secretion of growth hormone (c) Less secretion of adrenaline (d) Excess secretion of growth hormone

b) Less secretion of growth hormone Dwarfism designates a considerable defect in growth (height). It is generally stated that growth is... View Article

Which statement is not true about thyroxin? (a) Iron is essential for the synthesis of thyroxin (b) It regulates carbohydrates, protein and fat metabolism in the body (c) The thyroid gland requires iodine to synthesise thyroxin (d) Thyroxin is also called thyroid hormone

a)Iron is essential for the synthesis of thyroxine Iron is a crucial component in the production of red blood cells and not in the... View Article

What is the correct direction of flow of electrical impulses?

Answer is (c) Dendrites of a neuron receive electrical impulse from axonal end of another neuron. After that, electrical impulse travels... View Article

Double Fish Hook Strategy [UPSC International Relations]

Strategies and doctrines in international relations are very important for the UPSC exam. Questions can be asked about them directly in the... View Article

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