Tooth Enamel is the hardest and most highly mineralized substance in the human body. It is a tissue and not a bone. The Femur and Temporal bone... View Article
Sciophytes are shade-loving trees or plants. These plants have larger photosynthetic units than sun plants or heliophytes. Example: Java Moss. It... View Article
Total number of laddoos= 80 (a) Are the sweets in the tray enough to pack 23 small boxes? Number of laddoos required to pack 1 small box = 4... View Article
A hydrometer is an instrument used to determine specific gravity.The specific gravity of a liquid is the density of that liquid divided by the... View Article
There were several causes for the outbreak of the Russian Revolution.The Russian Revolution is dated to November 1917 (October 1917 on the... View Article
This process of conversion of complex food substances to simple absorbable forms is called digestion and is carried out by our digestive system... View Article
When chlorine is passed over slaked lime, Ca(OH)2, it is rapidly absorbed, forming bleaching powder, or chloride of lime. The reaction is:... View Article
Leaves are adapted for photosynthesis and gaseous exchange. The function of a leaf is photosynthesis, to absorb light and carbon dioxide to... View Article
Jute fibre is obtained from stem of Jute plants. Plant fibres are obtained from various parts of plants, such as the seeds (cotton, kapok,... View Article
The scientific study of plants is known as Botany. Botany is a field of Life Sciences. The study of their relationship to their environment and... View Article
pH is defined as the negative logarithm of H+ ion concentration. Hence the meaning of the name pH is justified as the power of hydrogen. The pH... View Article
Given, diameter of the vessel = 12 cm So, radius of the vessel = 12/2 = 6 cm We know that, volume of the sphere = π r 3 On substituting the... View Article
The shape of a molecule is the structure of the molecule predicted using the bond electron pair on the central atom. The geometry of a molecule... View Article
The force that always opposes the motion of one body over the other body in contact with it is known as the force of friction or frictional... View Article
Benzene is reacted with con HNO3 in presence of H2SO4 to form Nitrobenzene. Reduce it to Aniline by reacting Nitrobenzene with Sn+HCl or Fe+HCl... View Article
A cuboid, or right-angled prism, has eight corners. A cuboid is a three dimensional solid that has 6 faces (rectangular), 8 vertices and 12... View Article
Parasitism is a symbiotic relationship between two species in an ecosystem. Ectoparasites refer to a parasite that lives on its host. They cause... View Article
