The process of water changing into its vapour, is called evaporation. (True or False)
True Vaporization is the conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. Evaporation... View Article
True Vaporization is the conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. Evaporation... View Article
In cockroaches, air enters the body through (iii) spiracles. Explanation The respiratory system of cockroach consists of a network of... View Article
In plants, water is transported through (i) xylem. Xylem moves water from roots to the leaves, and phloem moves food... View Article
A flower may have either male or female reproductive parts. Such a flower is called unisexual flower Unisexual flower The... View Article
Animals, during respiration, take in oxygen and release carbon dioxide gas. Plants, on the other hand, utilise this carbon dioxide... View Article
(a) Sirius Explanation Sirius is a star, not a planet. The star Sirius is the brightest star in the sky.... View Article
(a) By eating rice alone, we can fulfil the nutritional requirements of our body. False Rice is a good source... View Article
Melting of ice is a reversible change. Explanation A change which cannot be reversed to form the original substance (or... View Article
The distance between Radha’s home and her school is 3250 m. We know that 1 km = 1000 m Or... View Article
In grasslands, there are very few trees to hide for animals from predators like lion and tiger. In small grasses,... View Article
Husk or dirt particles can be separated by winnowing method. It is used to separate the heavier and lighter components... View Article
The bus is an example of a non-living thing that shows two characteristics of living things. Like living things, it... View Article
False. Explanation Water also gets evaporated from the upper layer of the soil. Evaporation happens when a liquid substance becomes... View Article
The fishes have lungs for respiration. (False) Explanation Respiration in fish takes place with the help of gills. Most fish... View Article
Given fibres are classified as follows: Natural fibres Wool, cotton, jute, silk. Natural fibres are the fibres that are obtained... View Article
Roots absorb water and minerals from the soil. Explanation Most water absorption happens in the root hairs. The root hairs... View Article
False. Rain is not the ultimate source of water. Explanation The ultimate source of water is the water bodies which... View Article
An electric bell has an electromagnet – True Explanation An electric bell consists of one or more electromagnets , made... View Article
False Explanation The mixture of sugar and salt solution can be separated by evaporation (the process of turning from a... View Article
The Plant Which Traps And Feeds On Insects Is 1 Cuscuta 2 China Rose 3 Pitcher Plant 4 Rose