The process of loosening and turning the soil is called ploughing (tilling). Before sowing the seeds, it is necessary to loosen and turn the soil... View Article
The food synthesized by the plant is stored as starch. Starch is the food that gets stored in plant leaves. Starch is a polymeric carbohydrate... View Article
Preparation of the soil is the first step before the growing of the crop. It helps to turn the soil and loosen it to allow the roots to penetrate... View Article
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a solution of high concentration through a... View Article
A vascular bundle is a part of the transport system in vascular plants which is comprised of two tissues: xylem and phloem. Both the tissues... View Article
We know that the charge on an electron is negative and it is -1.6⨯10-19 coulomb. We need to calculate the number of electrons constituting one... View Article
A change of state is a physical change in a matter. They are reversible changes and do not involve any chemical changes in the makeup of the... View Article
Anything that has mass and occupies space is called matter. A matter is made up of tiny particles. These particles are invisible to a naked eye.... View Article
Static electricity can be defined as the imbalance of electric charges on the surface of a metal or an object. The static electricity can be... View Article
Anode rays are produced in the discharged tubeon applying a high electrical voltage to the gas which is present in the tube.Theatoms break down... View Article
Alcohols reactions with phosphorus trihalides. (i) Alcohols react with liquid called phosphorus trichloride to make chloroalkanes. The reaction... View Article
Given Two triangles. ΔABC and ΔPQR in which AB, BC and median AD of ΔABC are proportional to sides PQ, QR and median PM of ΔPQR AB/PQ = BC/QR... View Article
A protective covering that surrounds fibers called axons is called Myelin sheaths. Myelin sheaths are sleeves or covering of fatty tissue that... View Article
To understand auxiliary motion we need to first learn about weaving. Weaving is the process of producing fabric by interlacing warp and weft... View Article
Stomata are the minute openings or tiny pores,presentin the epidermis of leaves. Stomata plays an important role by permitting theexchangeof... View Article
Locomotion is defined as the act of exhibiting various motions such as running, walking, jumping, crawling, swimming, etc by the body.The... View Article
The number of particles present in one mole of any substance is a fixed value of 6.022 x 1023. This value is called Avogadro’s number.The... View Article
The light from the reel is focussed on a lens that forms a real inverted image and this light is then sent out from an opening which inverts the... View Article