4. Carbon and its compounds(10)
Ques 15
0
Taken 0
4. Cell-Structure and function(8)
Ques 20
0
Taken 0
4. Combustion and Flame(8)
Ques 20
0
Taken 0
4. Diversity in living organisms(9)
Ques 20
0
Taken 0
4. Electricity(7)4.
Ques 20
0
Taken 0
4. Transportation In Animals(7)
Ques 20
0
Taken 0
4. animal kingdom(11)
Ques 20
0
Taken 0
4.Chemical effects of electric current(8)
Ques 20
0
Taken 0
4.Pure substances and mixtures (6)
Ques 20
0
Taken 0
5. Pollution of Air and Water(8)
Ques 20
0
Taken 0