A. Green house effect
B. Radioactive effect
C. Ozone layer effect
D. Solar effect
Pollution
Pollution
A. Nucleus
B. All cell membrane system
C. Cell wall
D. Plasmodesmata
A. Ferns and Cycas
B. Green algae and aquatic liverworts
C. Lichens and mosses
D. Neem’ tree and Eichhornia
A. Decay of bodies of aquatic organisms
B. Rain
C. Growth of phytoplankton
D. Industrial effluents
A. Alga
B. Lichen
C. Pinus
D. Mustard
E. Fern
A. O3
B. CO
C. CO2
D. N2
A. 27 & 73
B. 73 & 27
C. 37 & 63
D. 63 & 37
A. Sewage and industrial effluents
B. Household detergents and pesticides
C. Automobile exhausts and chemicals from industry
D. Sewage and pesticides
A. Aquatic plants
B. Penicillin
C. Micro-organisms
D. Fishes
A. Soil
B. Water
C. Noise
D. Air