Assertion: Lichen is important for chemical i | vedclass

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

Question

(A) Lichens are economically important in various industries, including the chemical industry.Litmus is a well-known acid-base indicator used extensiv

Vedclass · Accepted Answer

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

Vedclass · Answer

(A) Lichens are economically important in various industries, including the chemical industry.Litmus is a well-known acid-base indicator used extensively in chemical laboratories, which is extracted from lichens like $Rocella montaignei$.Orcein is another important dye and biological stain derived from lichens like $Rocella tinctoria$.Since these chemical products are derived from lichens, the reason correctly explains why lichens are important for chemical industries.

Column-$I$	Column-$II$
$1$. Ivanowsky	$p$. Discovered viroids.
$2$. Tulasne	$q$. Studied algae.
$3$. Diener	$r$. Coined the term virus.
$4$. Beijerinck	$s$. First to discover lichen.
	$t$. Studied mycology.
	$u$. First to discover $TMV$.

Assertion: Lichen is important for chemical industries.
Reason: Litmus and Orcein are formed from lichens.

Similar Questions

The potato spindle tuber disease is caused by which of the following?

Which of the following is the most suitable indicator of $SO_2$ pollution in the environment?

Which of the following is true for viroids?

What is the cause of 'Mad Cow' disease in England?

Match the following columns:

Column-$I$ Column-$II$

$1$. Ivanowsky $p$. Discovered viroids.

$2$. Tulasne $q$. Studied algae.

$3$. Diener $r$. Coined the term virus.

$4$. Beijerinck $s$. First to discover lichen.

$t$. Studied mycology.

$u$. First to discover $TMV$.

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Assertion: Lichen is important for chemical industries.Reason: Litmus and Orcein are formed from lichens.