Test Preparation on Plant growth and development - Biology Test Series for NEET - 2020
Phytotron is a device by which
(c) In glass houses when plants are kept on artificial light
and temperature, then this method is called phytotron
and is applicable in agriculture, horticulture and tissue
culture.
The rate of growth of any organism follows
Or
Typical growth curve in plants is
(c) The growth of an organism/organ passes through
different phases. If the growth rate of a plant part is
plotted against time on a graph paper, a sigmoid/Sshaped
growth curve is obtained.
Exponential growth occurs in
Dendrochronology is
To remove seed dormancy by mechanical removing of seed
coat is called
(b) Scarification is mechanical or chemical method to
soften/weaken hard seed coat by chipping, filing or
machine threshing, hot water, fat solvent, H2SO4 .
Highest growth is found in
(b) Log phase is the rapid growing phase of plants between
lag and stationary phase.
The instrument by which the rate of growth of stem is
accurately measured is
Or
Growth in length of a plant can be measured by
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