Complete The Given Passage | Class 10 English Grammar Worksheets

Each sentence given below contains one or more blank spaces. Fill in the blanks with an appropriate verb form. This grammar exercise is meant for students of classes 9 and 10.

Class 10 English grammar worksheets

The deal to set up the International Thermonuclear Experimental Reactor …………1…………… (has signed / is signed / has been signed0. ITER, a fusion energy project …………2…………. (is / was / has) a futuristic source of limitless energy. ITER ………..3………… (use / uses / has used) deuterium, a form of hydrogen ………..4……….. (find / found / finding) in sea water, as fuel. It ……….5…………. (seek / seeks / is seeking / has sought) to produce fusion energy by imitating the sun. Electromagnets ……….6………… (create / created / are creating / have created) a magnetic field inside the reactor where a gas …………..7…………. (composing / composed) of deuterium and tritium is injected and contained. The gas is then ……….8……….. (heat / heated / heating) to extremely high temperatures to transform it into plasma, a super hot gas. Plasma ………9………. (burns / is burned / burn) and releases neutron, helium and a great quantity of energy. The energy …………10………….. (released / releasing / release) is converted to heat which produces vapour that …………11…………. (feeds / is feeding / fed) a turbine alternator. As the turbine rotates, it ………….12………….. (generate / generating / generates) electricity. Fusion energy has many advantages over conventional nuclear power that …………13……….. (worked / has worked / works) by fission or the splitting of atoms. Unlike fossil fuel power stations, fusion reactors ……………14…………… (has not emitted / do not emit / does not emit) greenhouse gases. Nor …………15…………… (do / have / does) they create the highly radioactive waste found in current nuclear reactors.

Solution

The deal to set up the International Thermonuclear Experimental Reactor has been signed. ITER, a fusion energy project is a futuristic source of limitless energy. ITER uses deuterium, a form of hydrogen found in sea water, as fuel. It seeks to produce fusion energy by imitating the sun. Electromagnets create a magnetic field inside the reactor where a gas composed of deuterium and tritium is injected and contained. The gas is then heated to extremely high temperatures to transform it into plasma, a super hot gas. Plasma burns and releases neutron, helium and a great quantity of energy. The energy released is converted to heat which produces vapour that feeds a turbine alternator. As the turbine rotates, it generates electricity. Fusion energy has many advantages over conventional nuclear power that works by fission or the splitting of atoms. Unlike fossil fuel power stations, fusion reactors do not emit greenhouse gases. Nor do they create the highly radioactive waste found in current nuclear reactors.

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Manjusha Nambiar

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