Ask questions which are clear, concise and easy to understand.
Ask QuestionPosted by Lavanya Moon 5 years, 3 months ago
- 2 answers
Posted by Pushkar Thakur 6E Gn 5 years, 3 months ago
- 0 answers
Posted by Srishti Verma 5 years, 3 months ago
- 5 answers
Yash Singh 5 years, 3 months ago
Shine Mehla 5 years, 3 months ago
Posted by Anushka Chauhan 5 years, 3 months ago
- 5 answers
Agantuk Yadav 5 years, 3 months ago
Lavanya Moon 5 years, 3 months ago
Posted by Tanmoyee Kalita 5 years, 3 months ago
- 5 answers
Yash Singh 5 years, 3 months ago
Agrita Verma 5 years, 3 months ago
Posted by Aditya Ojha 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
The first bicycle is typically credited to German Baron, Karl von Drais in 1818. Karl Drais worked on a device that he named "laufmaschine", which is a German word that roughly translates to "running machine.Christiaan Huygens, however, is usually credited as the inventor.
Posted by ?Taniskasree ? 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
Bones and cartilage form the skeleton of the human body. It gives the frame and shape to the body and helps in movement. It protects the inner organs.
Posted by Rachit Sharma 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
Anything that occupies space and has mass is known as matter. Everything around us is a form of matter.
Those atoms go on to build the things you see and touch every day. The matter is defined as anything that has mass and takes up space (it has volume).
Posted by Supriya Sahoo 5 years, 3 months ago
- 5 answers
Srishti Verma 5 years, 3 months ago
Aneeqa Abdul 5 years, 3 months ago
Nandika Rajput Rajput 5 years, 3 months ago
Lavkesh Yadav 5 years, 3 months ago
Rachit Sharma 5 years, 3 months ago
Posted by Ananya Srivastava 5 years, 3 months ago
- 1 answers
Srishti Verma 5 years, 3 months ago
Posted by Mrunal Bhonde 5 years, 3 months ago
- 4 answers
Posted by Aditya Ojha 5 years, 3 months ago
- 4 answers
Posted by Mistu Das 5 years, 3 months ago
- 5 answers
Pavni Gupta 5 years, 3 months ago
Posted by Nutan Rathee 5 years, 3 months ago
- 4 answers
Anshuman Jamle 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
The products that are obtained from milk are called dairy products. Butter, cheese, cream, curd and yoghurt are examples of dairy products.
Posted by Chirayu Dhande 5 years, 3 months ago
- 0 answers
Posted by Princess. Fatima . 5 years, 3 months ago
- 0 answers
Posted by Bhrunda G 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
Sinking: When a body is let into a liquid, and if the density of that body is greater than the density of that liquid, then the body gets fully immersed inside that liquid and reaches the bottom most surface of the liquid container. This process is called sinking of a body.
Floating: This process is exactly the opposite of sinking. When the density of the body that is let into a liquid is less than the density of that liquid, then the body tends to float on the surface of the liquid. This process is called floating of a body.
Posted by Hamza Juned 5 years, 3 months ago
- 2 answers
Yash Singh 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
Irreversible changes: The changes in which the matter cannot be brought back to its original state are known as irreversible changes. For example, burning of paper changes it into ash and smoke. Paper cannot be obtained back from ash and smoke.
Posted by Hamza Juned 5 years, 3 months ago
- 2 answers
Rajeevan Rajkumar 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
eversible changes: The changes which can be brought back to its original form are known as reversible changes. For example, melting of wax and stretching of a rubber band.
Posted by Tanvi Goswami 5 years, 3 months ago
- 2 answers
Posted by Vishwash Singh Singh 5 years, 3 months ago
- 2 answers
Yash Singh 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
Deficiency of minerals shown in table
|
Minerals |
Disease |
Symptoms |
|
Calcium /phosphorus |
Bone and tooth decay |
Weak bone, tooth decay |
|
Iodine |
Goiter |
Glands in the neck get swollen |
|
Iron |
Anaemia |
Decrease in the production of RBC causes weakness. |
Posted by Tejasmini Mahapatra 5 years, 3 months ago
- 1 answers
Posted by Rinky Bhutekar 5 years, 3 months ago
- 1 answers
Yogita Ingle 5 years, 3 months ago
Based on their role in biological processes and their effect different vitamins have different functions, their function can be best understood by knowing about their deficiency diseases. Given below is the list of vitamins and their deficiency diseases:
- Vitamin A – Hardening of the cornea in eye, night blindness.
- Vitamin B1 – Deficiency may cause beriberi, dwarfism.
- Vitamin B2 – Deficiency can cause disorders in the digestive system, skin burning sensations, cheilosis.
- Vitamin B6 – Deficiency of B6 causes convulsions, conjunctivitis, and sometimes neurological disorders.
- Vitamin B12 – Its deficiency can cause pernicious anemia and a decrease in red blood cells in hemoglobin.
- Vitamin C – It is a water-soluble vitamin, its deficiency causes bleeding in gums and scurvy.
- Vitamin D – It is obtained by our body when exposed to sunlight. Its deficiency causes improper growth of bones, soft bones in kids, rickets.
- Vitamin E – Deficiency of vitamin E leads to weakness in muscles and increases the fragility of red blood cells.
- Vitamin K – It plays an important role in blood clotting. The deficiency of vitamin K increases the time taken by the blood to clot. Severe deficiency may cause death due to excessive blood loss in case of a cut or an injury.
Posted by Shreya Jain 5 years, 3 months ago
- 3 answers
Vaishnavi Gupta 5 years, 3 months ago
Aradhya Tripathi 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
Reversible change
Reversible change is that change that can be reversed by one or more methods. In this kind of change, there is a change in physical properties, shape, and size of the material. Mostly a new substance is not formed in a reversible change. For example folding of paper, elongation of spring etc.
Irreversible change
The change which is almost permanent and cannot be undone by any physical or chemical means is called an irreversible change. Some new substances are formed in the case of an irreversible change.
Posted by Supriya Sahoo 5 years, 3 months ago
- 1 answers
Yogita Ingle 5 years, 3 months ago
Some of these objects are natural whereas other objects and man made or artificial. All these objects are of different shapes ,sizes and colour. They also have different properties. In order to understand objects around us, it is necessary to classify them into groups
Posted by L. Ahenba Singha 5 years, 3 months ago
- 1 answers
Yogita Ingle 5 years, 3 months ago
(a) Pure substances —
- Pure substances have definite composition and definite physical and chemical properties.
- They are all homogeneous i.e. their composition is uniform throughout the bulk.
- Examples: Elements and compounds.
Impure substances —
- Impure substances are made up of two or more pure substances mixed together in any proportion.
- They may be homogeneous or hetergeneous i.e. their composition is not uniform throughout the bulk.
- They are all mixtures.
Examples: air, sea water, petroleum, a solution of sugar in water are all impure substances.
Posted by Riya Ram Rankhamb... 5 years, 3 months ago
- 3 answers
Rishika Shri 5 years, 3 months ago
Posted by Riya Ram Rankhamb... 5 years, 3 months ago
- 4 answers
Vaishnavi Gupta 5 years, 3 months ago
Rishika Shri 5 years, 3 months ago
Meghna Thapar 5 years, 3 months ago
Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest of your body. The aorta is the large artery leaving the heart. The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart.
Posted by Sejal Verma 5 years, 3 months ago
- 2 answers
Rishika Shri 5 years, 3 months ago
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Anuj Yadav 5 years, 3 months ago
1Thank You