The thylakoid in chloroplast are arranged as
interconnected disc
interconnected sacs
stacked discs
none of the above
The non- photosynthetic, non- symbiotic N2 fixing bacteria are
Rhodobacter
Spirillum
Azotobacter
All of these
In monocot roots which types of vascular bundles are found?
Collateral, conjoint and closed
Radial with exarch xylem
Bicollateral, conjoint and closed
Radial with endarch xylem
The modified stem of Opuntia is
phyllode
phylloclade
cladode
stamroinode
B.
phylloclade
When the stem is flattened and function as leaf, it is called phylloclade or cladophyll.
Phyllode is a flattened petiole or leaf rachis that resembles and functions as a leaf and may or may not be combined with an actual lamina.
Cladode is a flattened origin arising from the stem of a plant.
Staminode is a sterile or abortive stamen, frequently resembling a stamen without its anther.
In bacteria respiration occurs in
cytoplasmic membrane
mitochondria
nuclear membrane
endoplasmic reticulum