Question

The root of the plant is __________.
i) positively phototropic but negatively geotropic
ii) positively geotropic but negatively phototropic
iii) negatively phototropic but positively hydrotropic
iv)negatively hydrotropic but positively phototropic
a) (i) and (ii)
b) (ii) and (iii)
c) (iii) and (iv)
d) (i) and (iv)

Answer 1

"$\textbf{b}$"

The root of the plant is positively geotropic but negatively phototropic.

As, root show movement in direction of stimuli of gravity but not so in case of stimuli by light.

Answer 2

$\bf\huge\color{red}\texttt{ hello\: mate!}$

$\bf\color{red}\mathfrak{thanks \:for\: asking\: this\: question !}$

$<b> here's your answer!$

$\color{blue}{ '(b)'}$

the root of the plant is positively geostropic but negatively phototropic and positively hydrotropic .

thus , option 'b' is correct.

$\green{\boxed{\bold{\underline{ hope \: it \: is \: helpful}}}}$