Write a story on how packaging increases the amount of garbage.
We all generally pack and wrap the gift in shiny paper to give a nice look to the gift. After... View Article
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Image formed by a convex __________ is always virtual and smaller in size.
An image formed by a convex mirror is always virtual and smaller in size. Explanation Convex mirror always form virtual... View Article
The component of air used by green plants to make their food, is ___________.
The component of air used by green plants to make their food is carbon dioxide gas. Explanation The oxygen in... View Article
Kidneys eliminate the waste materials in the liquid form called ___
Kidneys eliminate the waste materials in the liquid form called Urine. Kidneys are reddish brown, bean-shaped structures situated between the... View Article
State the characteristics of the image formed by a plane mirror
A mirror with a flat surface is a plane mirror that reflects light and produces a virtual image without the... View Article
Explain the factors responsible for the depletion of water table.
The factor responsible for the depletion of water table: Increasing industries: The higher the number of industries will require more... View Article
In photosynthesis solar energy is absorbed by the pigment called ___________.
In photosynthesis, solar energy is captured by the pigment called Chlorophyll. Explanation Chlorophyll, the primary pigment used in photosynthesis, reflects... View Article
What are sex hormones? Why are they named so? State their function
Hormones that control the growth and development of secondary sexual characters are called as sex hormones. Explanation These hormones are... View Article
The method of separating seeds of paddy from its stalks is called ___________.
The method of separating seeds of paddy from its stalks is called Threshing Threshing Threshing is the process of separation... View Article
List five activities that are possible due to the presence of air.
Air is composed of nitrogen, oxygen, carbon dioxide, many other gases, water vapour and dust particles.Air is present all around... View Article
The silk fibre is obtained from the stem of a plant. (True or False).
The silk fibre is obtained from the stem of a plant – FALSE Explanation Silk fibres are also animal fibres.... View Article
Differentiate between the Wildlife sanctuary and Biosphere reserve
(a) Difference between Wildlife sanctuary and biosphere reserve Wildlife sanctuary Biosphere reserve Wildlife sanctuary area protected for animals where animals... View Article
Changes in our surroundings that make us respond to them, are called ____ .
Changes in our surrounding that makes us respond to them are called stimuli. The changes in the environmental conditions to... View Article
The evaporation of water takes place only in sunlight. (True or False)
False Explanation Evaporation of water may take place in absence of sunlight. During the daytime, all the air surrounding us... View Article
The stomach releases hydrochloric acid and ___________ juices which act on food.
The stomach releases hydrochloric acid and digestive juices which act on food. Explanation Gastric juice is made up of digestive enzymes,... View Article
Protected forests are also not completely safe for wild animals. Why?
Protected forests are not completely safe for wild animals because people who live near or adjacent to forests use resources... View Article
Bar magnets always point towards North-South direction. (True or False)
True Explanation The direction of magnetic lines of force of a bar magnet is from north to south pole outside... View Article
Water vapour is present in air only during the monsoon. (True or False)
False Explanation Some amount of water vapour is always present in the air in all seasons. Evaporation takes place from... View Article
Explain how you can locate the Pole Star with the help of Ursa Major.
We can look for two stars at one end of the Ursa Major constellation that appears like a quadrilateral. Imagine... View Article
In olden days, sailors used to find direction by suspending a piece of ___________.
In olden days , sailors used to find direction by suspending a piece of bar magnet. A freely suspended magnet... View Article
