Motion of wheel of a bicycle is______________.
Motion of the wheel of a bicycle is Circular motion. Explanation When an object moves in such a way that... View Article
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Motion of a child on a swing is ______________.
Motion of a child on a swing is periodic. Motion which repeats itself after certain intervals is called periodic motion.... View Article
Haemoglobin is present in ___ cells
Haemoglobin is present in Red blood cells. Haemoglobin Haemoglobin is the protein inside red blood cells. It carries oxygen. Red... View Article
Oil mixes with water. (True or False)
False Explanation Oil is immiscible in water. It forms a separate layer on the surface of the water.Oils and fats... View Article
How is clayey soil useful for crops?
Water retention capacity of the clayey soil is quite high Explanation Clayey soil has very small sized particles. These particles... View Article
Name the major nutrients in our food.
There are six major nutrients : Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water. Carbohydrates- Carbohydrates are the main energy... View Article
Tiger is a ____________________ because it eats only meat.
Tiger is a carnivore because it eats only meat. Explanation Animals which eat only flesh of other animals are called... View Article
______________ is caused by deficiency of Vitamin D.
Rickets is caused by deficiency of vitamin D. Explanation Rickets is a rare disease that causes the bones to become... View Article
People obtain groundwater through________ and ________.
People obtain groundwater through a well and hand pump. Explanation The groundwater, which have come from rainwater and other sources,... View Article
Some tribals depend on the jungle. How?
Some tribals depend on jungles , because jungle provides them every commodity they need to live. They fetch fresh water... View Article
Differentiate between flora and fauna
Difference between flora and fauna Flora Fauna All plant life occurring in an area is known as Flora. All animal... View Article
Burning of wood and coal causes __________of air.
Burning of wood and coal causes pollution of air. When wood is burned , the combustion reaction produces heat and... View Article
Yarn is made from fibres. (True or False).
Yarn is made from fibres – True Explanation Yarn is a strand composed of fibres, filaments (individual fibres of extreme... View Article
The largest gland in the human body is __________.
The liver is the largest gland in the human body that secretes bile. Explanation The liver is the largest gland... View Article
Where are poles of a bar magnet located?
Poles of a bar magnet are located at its two ends. Explanation The magnetic pole is the region at each... View Article
The water bearing layer of the earth is ________.
The water-bearing layer of the earth is an aquifer. Explanation An aquifer is an underground layer of water-bearing permeable rock,... View Article
Draw a labelled sketch of the human eye.
The human eye is a spherical organ, responsible for perceiving visual stimuli. It is enclosed within the eye sockets in... View Article
How is a compass used to find directions?
A compass has a magnetic needle that can rotate freely. When a compass is kept at a place, the magnetic... View Article
The fore arm has two bones. (True or False)
True Explanation Your forearm is made up of two bones, the radius and ulna. In most cases of adult forearm... View Article
Sand settles down in water. (True or False)
True Explanation Soil is heavier than water, i.e. its density is more than that of water. When we mix sand... View Article
