Phototropic curvature is the result of uneven distribution of
gibberellin
phytochrome
cytokinins
cytokinins
Male and female gametophytes are independent and free - living in
mustard
castor
Pinus
Pinus
The technical term used for the androecium in a flower of China rose (Hibiscus rosa siensis( is
monadelphous
diadelphous
polyandrous
polyandrous
During mitosis ER and nucleolus begin to disappear at
late prophase
early metaphase
late metaphase
late metaphase
The free-living, anaerobic nitrogen - fixer is
Beijerinckia
Rhodospirillum
Rhizobium
Rhizobium
What is true about RBCs in humans?
They carry about 20-25 percent of CO2
They transport 99.5 percent of O2
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
The main arean of various types of activities of a cell is
Plasma membrane
mitochondrion
cytoplasm
cytoplasm
C.
cytoplasm
The main area of various types of activities of a cell is cytoplasm. Cytoplasm is an aqueous substance containing a variety of cell organelle along with non- living inclusions. The soluble part of cytoplasm forms the background material or ground substance between the cell organelles.
The principal nitrogenous exceretory compound in humans is synthesised
in kidneys but eliminated mostly through the liver
in kidneys as well as eliminated by kidneys
In liver and also eliminated by the same through bile
In liver and also eliminated by the same through bile