M
C
Q
s
D
r
i
v
e
A
Diffusion
B
Passive transport
C
Osmosis
D
Active transport
A
Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
B
Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
C
Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D
Older sediment layers did not have these radioactive isotopes
A
Concentration of water molecules inside and outside the cell
B
Concentration of enzymes on either side of the cell membrane
C
Rate of molecular motion on either side of the cell membrane
D
None of these
A
Environmental biologist
B
Paleontologist
C
Marine biologist
D
Social biologist
A
DNA ad protein
B
Protein and Lipids
C
Protein and Chitin
D
Protein and RNA
A
Population
B
Community
C
Biome
D
Habitat
A
bacteria
B
fungi
C
virus
D
none of these
A
Population
B
Community
C
Biome
D
Habitat
A
Vasodilation
B
Vasoconstriction
C
Panting
D
All of these
A
Community
B
Population
C
Ecosystem
D
Biome