Leaf produces the food of the plant, the process of making food in the presence of sunlight is called photosynthesis Photosynthesis reaction... View Article
An image formed by a concave lens cannot be obtained on a screen. Concave lenses create only virtual images . After the rays are refracted,... View Article
A device that is used to break an electric circuit is called a switch. A switch is the device which is used to break or make an electrical... View Article
(iv) m/s. Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has... View Article
A longer line in the symbol for a cell represents its positive terminal. A cell is a single unit of device that converts chemical energy into... View Article
An image that can be obtained on a screen is called a real image. A real image can be viewed on a screen , a virtual image can not. Rays from... View Article
Green plants are called autotrophs since they synthesise their own food. An autotroph ;is an organism that can produce its own food using... View Article
Air pollution should be checked at individual level in the following ways : We can use public transportation and encourage carpooling so that... View Article
The Materials which are attracted towards a magnet are called magnetic materials. Magnetic materials are classified into three categories, based... View Article
No. Different animals eat different kinds of food as per their body structure and internal organs. In order to survive, all living things need... View Article
A vertical section through different layers of the soil is called the soil profile. Each layer differs in feel (texture), colour, depth and... View Article
We often sneeze when we inhale a lot of dust-laden air to expel out these foreign particles. These particles get past the hair in the nasal... View Article
The rhythmic expansion and contraction of the heart is called Cardiac cycle.. The cardiac cycle is the rhythmic contraction and relaxation... View Article
An iron strip can be converted into a magnet by the following method: Place the iron strip on a table. Place one pole of a bar magnet near one... View Article
We all generally pack and wrap the gift in shiny paper to give a nice look to the gift. After use the packing material is thrown in the dustbin... View Article
An image formed by a convex mirror is always virtual and smaller in size. Convex mirror always form virtual and smaller in size or diminished... View Article
The component of air used by green plants to make their food is carbon dioxide gas. The oxygen in air is used by the organisms present in air ,... View Article
Kidneys eliminate the waste materials in the liquid form called Urine. Kidneys are reddish brown, bean-shaped structures situated between the... View Article
