The stem holds the plant upright. The roots of a plant take up water and nutrients from the soil. They also anchor the plant to the ground and... View Article
(b) Deficiency diseases can be prevented by eating a balanced diet. True A balanced diet is one that contains an adequate quantity of all the... View Article
An image formed by a plane mirror is always of the same size as that of the object. Images in a plane mirror are the same size as the object,... View Article
The inner wall of the small intestine has many finger-like outgrowths called villi. The digested food can now pass into the blood vessels in... View Article
Paper is one of the important thing we use in our day-to-day life. Thousands of trees are cut to fulfil the demand for paper. If the trees are... View Article
False Among various components of a mixture, there are so many substances, which could be harmful or not useful. To eliminate those harmful or... View Article
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
