The safety device based on heating effect of electric current is called FUSE. When the electric current passes through the wire in the electric... View Article
We need to separate different components of a mixture to separate the useful components from the non-useful or some harmful components. Tea... View Article
A balanced diet for the body should contain a variety of food items. √ A balanced diet should contain food items with different nutritional... View Article
Conservation of water mainly refers to protect, preserve, and control the usage of water and its resources. It is the system introduced to manage... View Article
Venus appears either in the eastern sky before sunrise or in the western sky after sunset. When it appears after sunset in the western sky, it is... View Article
False Jute string is a bad conductor of electricity, which means it does not allow electric current to flow through it. Hence, it cannot be... View Article
Stem conducts water to the leaves. The stem conducts water and nutrient minerals from their site of absorption in the roots to the leaves by... View Article
The milk that we drink, which comes from cows, buffaloes, and goats, is an animal product. The goat milk has lower calcium, phosphorous... View Article
If the picture is drawn with a pencil, then it can be erased; hence change can be reversed. But if the picture is drawn with colours,the change... View Article
Sugar can be separated from wheat flour by sieving. Sugar particles being larger in size are retained by the sieve whereas wheat flour will pass... View Article
True Vaporization is the conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. Evaporation is a process... View Article
In cockroaches, air enters the body through (iii) spiracles. The respiratory system of cockroach consists of a network of the trachea, that... View Article
In plants, water is transported through (i) xylem. Xylem moves water from roots to the leaves, and phloem moves food from the leaves to the rest... View Article
A flower may have either male or female reproductive parts. Such a flower is called unisexual flower The flowers which contain only the male... View Article
Animals, during respiration, take in oxygen and release carbon dioxide gas. Plants, on the other hand, utilise this carbon dioxide gas in the... View Article
(a) Sirius Sirius is a star, not a planet. The star Sirius is the brightest star in the sky. It is commonly known as the Dog Star.This star is... View Article
(a) By eating rice alone, we can fulfil the nutritional requirements of our body. False Rice is a good source of carbohydrates but they supply... View Article
Melting of ice is a reversible change. Explanation A change which cannot be reversed to form the original substance (or substances) is called an... View Article
The distance between Radha’s home and her school is 3250 m. We know that 1 km = 1000 m Or 1000 m = 1 km Or 1m = 1/1000 Km Thus, 3250 m =... View Article
In grasslands, there are very few trees to hide for animals from predators like lion and tiger. In small grasses, predators can easily locate... View Article
