Describe briefly (a) Catalytic converter (b) Defunct ships (c) e-wastes.

Discuss briefly the following: (i) Radioactive wastes (ii) Defunct ships and e-wastes (c) Municipal solid wastes.

Describe briefly the following (a) Bioreactors (b) Downstream processing

Observe the diagram of the catalytic converter and answer the questions which follow: (a) Name any two metals used as catalyst in the catalytic converter. (b) Name the gases that are released after passing the exhaust hydrocarbons through the catalytic converter. (c) Name the other poisonous gas which is missing (?) in the exhaust pollutant of an automobile in the above diagram?

Match the items in Column - I with those in Column - II and choose the correct option from the codes given below : {:(" Column-I "," Column-II "),("(a) Catalytic converter ","(i) Hospital waste "),("(b) Muffler ","(ii) " SO_(2)""),("(c) Incinerator","(iii) Noise"),("(d) Scrubber","(iv) CO"):}

Match the following {:(" Pollutant "," Removed by "),("A) "CO_(2),"1) Catalytic converter "),("B) Particulate matter ","2) Scrubber "),("C) CO","3) Afforestation "),("D) "SO_(2),"4) Incinerator "),(,"5) Electrostatic precipitator "):}

Certain chemical substances having profound effect on growth ,are called (a) Catalytic agents (b) Phytohormones (c) Enzymes (d) Compost

Discuss briefly the following: (a) Greenhouse gases (b) Catalytic converter (c) Ultraviolet B .

Describe briefly the biological effects of light on (a) Pigmentation (b) Locomotion

The reaction in which the same chemical reacts again and again with the substrate is (a) catalytic (b) enzymatic (c) chainamictic (d) both a and b

Match column I with column II and select the correct option from the given codes. {:("Column I", "Column II"),("Catalytic converter", (i)"Used in industries and power plants"),("Electrostatic precipitator", (ii) "Used in automobiles"),("Earmuffs", (iii)"High noise level"),("Land fils", (iv) "Solid wastes"):}