Which of the following is formed in light reaction of photosynthesis?
ATP
NADPH2
O2
All of the above
Who proposed 'fluid mosaic model' of plasma membrane?
Singer and Nicholson
Robertson
Benneson
None of the above
A.
Singer and Nicholson
Singer and Nicholson proposed fluid mosaic model of plasma membrane. According to this model, there is a lipid bilayer in which the protein molecules are embedded. The lipid bilayer gives fluidity and elasticity to the membrane.
Respiratory roots (pneumatophores) are present in
mesophytes
halophytes
xerophytes
None of these
Growth of stem in diameter is due to
apical cell
lateral meristem
apical meristem
intercalary meristem
The plant group in which stomata opens in night is
mesophytes
succulents
hydrophytes
None of the above