NEET Practice Questions (MCQs) with Answers & Solutions

An electron       

A proton

A neutron         

A neutrino

1           

2

3           

4

25 MeV           

200 MeV

800 MeV         

1050 MeV

${}_4{}^9\mathrm{Be}+{}_2{}^4\mathrm{He}\to {}_6{}^{12}\mathrm{C}+{}_0{}^{-1}\mathrm{n}$

${}_2{}^3\mathrm{He}+{}_2{}^3\mathrm{He}\to {}_2{}^4\mathrm{H}+{}_1{}^1\mathrm{H}+{}_1{}^1\mathrm{H}$

${}_{56}{}^{144}\mathrm{Ba}+{}_{56}{}^{92}\mathrm{Kr}\to {}_{92}{}^{235}\mathrm{U}+{}_0{}^{-1}\mathrm{n}$

${}_{26}{}^{56}\mathrm{Fe}+{}_{48}{}^{112}\mathrm{Ca}\to {}_{74}{}^{167}\mathrm{W}+{}_0{}^{-1}\mathrm{n}$

Neutron                 

Proton

$\mathrm{\alpha }$ particle               

Neutrino

${}_3{}^1\mathrm{H}+{}_2{}^1\mathrm{H}\to {}_4{}^2\mathrm{He}+{}_1{}^0\mathrm{n}$

${}_{92}{}^{238}\mathrm{U}\to {}_{82}{}^{206}\mathrm{Pb}+8\left({}_2{}^4\mathrm{He}\right)+6\left({}_{-1}{}^0\mathrm{\beta }\right)$

${}_7{}^{12}\mathrm{C}\to {}_6{}^{12}\mathrm{C}+{\mathrm{\beta }}^{+}+\mathrm{\gamma }$

None of these

Two light nuclei combine to produce a heavier nucleus

A light nucleus bombarded by thermal neutrons breaks up

A heavy nucleus bombarded by thermal neutrons breaks up

A heavy nucleus breaks up by itself

Nuclear fission             

Nuclear fusion

Radioactive decay       

None of these

0           

1

2           

3

Proton             

Neutron

Positron           

Neutrino