Results for “class 10 science”

In simple words, what is Social Science? · How is Social Science different from Physics, Chemistry and Biology? · A meal reaches your plate after being harvested, processed, transported,…

In science, what is a model? · When studying a falling object, scientists often ignore air resistance. Why? · To model whether a cricket ball hit for six will clear the boundary, which…

…to the chapter, what is the most important thing needed to learn science? · The chapter describes science as ______. · Why is science compared to a giant and unending jigsaw puzzle? ·…

What is the main aim of learning science through investigation? · Science learning in the middle school can be seen as three steps over Grades 6, 7 and 8. Which order best describes them? ·…

According to the chapter, science is best described as ______. · What kinds of deeper questions does the book say we will ask in Grade 7? · The page numbers in the book follow the flight of…

When a magnesium ribbon is burnt in air, the white powder formed is ______. · Which law requires a chemical equation to be balanced? · An unbalanced chemical equation is also called a…

Which of these is a natural indicator? · Substances whose odour changes in acidic or basic media are called ______ indicators. · Acids react with metals to give a salt and ______ gas. · The…

Which metal is a liquid at room temperature? · The property of metals by which they can be beaten into thin sheets is called ______. · The property of metals by which they can be drawn into…

The bond formed by sharing of electron pairs between two atoms is called a ______ bond. · The unique ability of carbon to form bonds with other carbon atoms, giving long chains, is called…

Which process makes food in green plants using sunlight? · Tiny pores on the surface of leaves through which gases are exchanged are called ______. · The enzyme in saliva that breaks down…

The functional unit of the nervous system is the ______. · The gap between the nerve ending of one neuron and the dendrite of the next is called a ______. · Which part of the brain…

The basic event in reproduction is the creation of a ______ copy. · Plasmodium, the malarial parasite, reproduces by ______. · Spirogyra breaks up into smaller pieces that grow into new…

Who worked out the main rules of inheritance using garden pea plants? · A trait that is expressed in the F1 generation is called a ______ trait. · A trait that is not expressed in the F1…

According to the laws of reflection, the angle of incidence is ______ the angle of reflection. · The centre of the reflecting surface of a spherical mirror is called its ______. · For…

The thin membrane through which light enters the eye is the ______. · The light-sensitive screen of the eye on which the image is formed is the ______. · The dark muscular diaphragm that…

The SI unit of electric charge is the ______. · Electric current is measured by an ______ connected in series. · The potential difference across a conductor is measured by a ______…

Who discovered that a compass needle is deflected by an electric current? · The region around a magnet in which its force can be detected is called a magnetic ______. · Outside a bar…

All the interacting organisms in an area together with the non-living constituents form an ______. · Organisms that make food using sunlight, such as green plants, are called ______. ·…

The total income of a country divided by its total population is called ______. · Which organisation publishes the Human Development Report? · The number of children that die before the age…

Belgium shares its borders with which countries? · In which year was an Act passed in Sri Lanka to recognise Sinhala as the only official language? · A belief that the majority community…

Resources obtained from the biosphere that have life, such as human beings and livestock, are called ______. · In which year was the Earth Summit held at Rio de Janeiro? · The Brundtland…

Which French artist prepared a series of four prints in 1848 visualising a world of 'democratic and social Republics'? · The Civil Code of 1804 in France is usually known as the ______. · A…

A system of government in which power is divided between a central authority and various constituent units is called ______. · Which list contains subjects like defence, foreign affairs,…

In which year was the Indian Wildlife (Protection) Act implemented? · In which year was Project Tiger launched? · Which state has the largest area under permanent forests (75% of its forest…

Where did Gandhiji organise his first satyagraha movement in India in 1917? · Which Act of 1919 gave the government enormous powers to repress political activities and detain prisoners…

Activities in which goods are produced by exploiting natural resources, such as agriculture, belong to the ______ sector. · Which sector covers activities that help in the development of…

A radical woman or man who believes in equal rights and opportunities for women and men is called a ______. · A system that values men more and gives them power over women is called ______.…

Money acts as an intermediate in the exchange process. This function is called ______. · In a barter system, when both parties have to agree to sell and buy each other's commodities, it is…

The historic trade routes linking China with Asia and Europe are called the ______. · Which food was introduced to Europe from the Americas? · The laws restricting the import of corn into…

What fraction of the earth's surface is covered with water? · Who proclaimed dams as the 'temples of modern India'? · On which river is the Sardar Sarovar Dam built? · Diversion channels…