Cyclic-photophosphorylation results in the formation of
NADPH
ATP and NADPH
ATP, NADPH and O2
ATP, NADPH and O2
D.
ATP, NADPH and O2
Cyclic-photophosphorylation involves only pigment system-I. When the photons activate PS-I, a pair of the electron are raised to a higher energy level. They are captured by the primary acceptor, which passes them on to ferredoxin, plastoquinone, cytochrome complex, plastocyanin and finally back to reaction centre of PS-I ie, P700. At each step of electron transfer, the electrons lose potential energy. Their trip downhill is caused by the transport chain to pump H+ across the thylakoid membrane. The proton gradient thus established is responsible for forming ATP ( 2 molecules). No reaction of NADP to NADPH + H+.
Reduction is vascular tissue, mechanical tissue and cuticle is characteristic of
xerophytes
mesophytes
epiphytes
epiphytes
Peripatus is a connecting link between
Ctenophora and Platyhelminthes
Mollusca and Echinodermata
Annelida and Arthropoda
Annelida and Arthropoda
T O Diener discovered a
free infectious RNA
free infectious DNA,
infectious protein
infectious protein
A fruit developed from hypanthodium inflorescence is called
hesperidium
sorosis
syconus
syconus
The bacterium Bacillus thuringiensis is widely used in contemporary biology as a/an
Indicator of water pollution
insecticide
agent for the production of dairy products
agent for the production of dairy products
Globulins contained in human blood plasma are primarily involved in
defence mechanisms of the body
the osmotic balance of body fluids
oxygen transport in the blood
oxygen transport in the blood
Which one of the following is considered important in the development of seed habit?
Dependent sporophyte
Heterospory
Haplontic life cycle
Haplontic life cycle