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[C] Biological magnification
[C] scattering of light by air molecule
[A] Limited supply of real leads to incomplete combustion of fuel.
[C] Oxidation & Exothermic reaction
c. vitamin B12
The phenomenon when concentrations of a harmful substance increases in organisms at higher trophic levels in a food chain or food web is:
[C] Biological magnification
[C] Biological magnification
See lessThe colour of sky appears blue, it is due to the
[C] scattering of light by air molecule
[C] scattering of light by air molecule
See lessA student while walking on the road observed that a cloud of black smoke belched out from the exhaust stack of moving trucks on the road. Choose the correct reason for the production of black smoke:
[A] Limited supply of real leads to incomplete combustion of fuel.
[A] Limited supply of real leads to incomplete combustion of fuel.
See lessIdentify the types of chemical reaction occurring during the combustion of fuel:
[C] Oxidation & Exothermic reaction
[C] Oxidation & Exothermic reaction
See lessThe vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is:
c. vitamin B12
c. vitamin B12
See less