Which of the following shows minimum number of chromosomes?
n : 1
n : 2
n : 3
n : 4
A.
n : 1
Minimum number of chromosomes are present haploid, i.e. n : 1.
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
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