Zero growth means
Natality balance mortality
Natality is more than mortality
Natality is less than mortality
Natality is zero
A.
Natality balance mortality
Zero growth rate means natality .e., birth rate). Balances the mortality i.e., death rate)
The following is the diagram of TS of another. Identify the parts labelled as A, B and C.
A-Connective, B-Endothecium, C-Pollen grain
A-Endothecium, B-Connective, C-Pollen grain
A-Pollen grain, B-Connective, C-Endothecium
A-Endothecium, B-Pollen grain, C-Connective
In some organisms, karyokinesis is not followed by cytokinesis as a result of which, the multinucleate condition arises leading to the formation of the syncytium. The perfect example of this is
The appearance of a furrow in the cell membrane
Liquid endosperm in coconut
Sexual reproduction
Fertilization
The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is
72 ATP, 48 NADPH
90 ATP, 60 NADPH
108 ATP, 72 NADPH
180 ATP, 72 NADPH
The most recent and direct pre-historic ancestor is
Cro-magnon
Neanderthal
Pre-neaderthal
None of these
‘Sun basket’ is
The device to utilize sun rays directly to meet the requirement of heat energy
The sufficient amount of sunlight stored in a cell
A device of taking a sunbath
All of the above
Jacob and Monod name some enzymes as allosteric whose activity is regulated by
End product
Substrate
by product
Coenzyme
Tyloses an outgrowth from ray or axial parenchyma cell into the lumen of a vessel, which partially or completely blocks the cavity are present in
Periderm
Heart wood
Sap wood
Secondary cortex
Ethylene is related with
Aerobic respiration
Climacteric phenomenon
Anaerobic respiration
Fermentation
