Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Choose the correct options to fill $A, B$ and $C$, so as to complete the given $NCERT$ statement

$I.$ Sacral

$II.$ Coccygeal

$III.$ Thoracic

$IV.$ Cervical

$V.$ Lumber

$(i)$ All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.

$(ii)$ Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.

$(iii)$ Photoperiod affects the process of reproduction.

$(iv)$ Human being is the only organism who has self consciousness.