Which of the following statements are INCORRE | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Statement $i$ is incorrect because phytochrome is present in almost all parts of the plant,not just leaves.Statement $ii$ is correct; it exists as

Vedclass · Accepted Answer

$i, ii$ and $iv$ only

Vedclass · Answer

(C) Statement $i$ is incorrect because phytochrome is present in almost all parts of the plant,not just leaves.Statement $ii$ is correct; it exists as $P_r$ and $P_{fr}$.Statement $iii$ is correct; $P_r$ and $P_{fr}$ are interconvertible by red and far-red light.Statement $iv$ is incorrect because phytochromes are located in the cytoplasm or cell membrane of green cells,not specifically in the chloroplast.Statement $v$ is correct; $P_r$ form is inactive and does not promote flowering in $LDP$ (Long Day Plants) during the dark period.Therefore,statements $i$ and $iv$ are incorrect.

Similar Questions

Phytochrome is:

If a tree flowers thrice in a year $(October, January, \text{and } July)$ in Northern India, it is said to be

Phytochromes are active in

$A$: Soyabean and sugarbeet flower when they are exposed to a photoperiod shorter than the critical period.
$R$: Most winter-flowering plants are $LDP$.

Assertion $(A)$: Vernalization is acceleration of subsequent flowering by low temperature treatment.
Reason $(R)$: Site of vernalization is apical meristem.

Vedclass Test Series

Exam Paper Generator

Online Exam Module