Which one of the following does'nt help in molecule transport?
Diffusion
Osmosis
Surface tension
Active transport
Stomatal opening in plants occurs due to influx of
Na
K
ABA
Auxins
B.
K
Opening of stomata is an energy consuming process whereas closing of stomata is not. The turgidity of guard cells is usually controlled by K+, Cl- and H+. The opening of stomata is initiated by excretion of H+ by guard cells, intake of K+ and Cl- and closing is controlled by abscisic acid.
Energy transfer in photosynthesis occurs as
Phycoerythrin Phycocyanin Carotenoid Chlorophyll a
Chlorophyll b Carotenoid Phycoerythrin Chlorophyll a
Phycocyanin Phycoerythrin Carotenoid Chlorophyll a
Chlorophyll b Carotenoid Phycocyanin Chlorophyll a
In photosynthesis what occurs in PS-II?
It takes longer wavelength of light and e- from H2O
It takes shorter wavelength of light and e- from H2O
It takes longer wavelength of light and e- from NADP
It takes shorter wavelength of light and e- from NADP
Though Cycas has 2 cotyledons, this is not included in dicot because
naked ovule
they have megaspore
appears as palm tree
has compound leaves
In meiosis division is
Ist reductional and IInd equational
Ist equational and IInd reductional
both reductional
both equational