Shifting Agriculture Shifting cultivation is an agricultural system in which a person uses a piece of land to abandon or alter the initial use... View Article
Antarctica It was the first Indian scientific research base station established in Antarctica as a part of the Indian Antarctic Program.... View Article
It is a fluid that fills the cell and occurs between the plasma membrane and the nucleus. Cell organelles such as mitochondria, ribosomes,... View Article
In an elastic collision, the total energy of molecules before and after collision remains the same. There is an exchange of energy between the... View Article
Answer: Soil erosion is the natural process in which physical sources such as wind and water carry away the field's topsoil. Soil erosion is an... View Article
Chromosomes are thread-like structures present in the nucleus of a eukaryotic cell, which carries genetic information from one generation to... View Article
Borax dissolves in water to give an alkaline solution. Na2B4O7 + 7H2O → 2NaOH + 4H3BO3 Sodium tetraborate decahydrate is the IUPAC name of... View Article
The interaction energy associated with London forces is inversely proportional to the sixth power of the distance between two interacting... View Article
When salt is mixed with water, the salt dissolves because the covalent bonds of water are stronger than the ionic bonds in the salt molecules.... View Article
A necessary condition for halogenation in benzene is the presence of a halogen carrier. Halogenation is an example of electrophilic aromatic... View Article
Answer: The total sum of the masses of the atoms or elements present in the molecule is termed as molecular mass. We can find the molecular... View Article
The image forms before the retina. Short-sightedness (myopia)Â usually occurs when the eyes grow slightly too long, which means they cannot... View Article
Two practical applications of reflection of sound waves are: (a) Reflection of sound is used to measure the distance and speed of underwater... View Article
Answer: Any visible movement such as walking, breathing, or growing is generally used to decide whether something is alive or not. However, a... View Article
Xenon has the highest boiling point. Down a group in the periodic table, due to a higher number of electrons in the molecules, there is greater... View Article
No, we cannot survive only on raw, leafy vegetables/ grass. Humans cannot survive only on raw, leafy vegetables or grass. The grass is rich in... View Article
The distance between two nuclei in a molecule is internuclear distance. In O2, the bond order =2 In O2+, the bond order =2.5 In O2−, the bond... View Article
The trichlorides of group 13 being covalent in nature, form tetrahedral [M(OH)4]-,on hydrolysis in water. When BCl3 is treated with water, it... View Article