Doubt Clearance Thread: UPSC 2021

What is the jurisdiction limit of permanent lok adalt..10 lakh or 1 crore.

https://nalsa.gov.in/lok-adalat/permanent-lok-adalat . In this limit is mentioned as 1 crore.

https://nalsa.gov.in/services/lok-adalat ..in this link limit mentioned is 10 lakh.

Both link from same website.

Lakshmikant mentioned as 10 lakh.

So which one is correct

The first country to do mars landing .. whether it is USA or USSR ??

Largest zoo in india ..

Shankar ias mention - sri Venkateswara zoo in Andhra.

But in internet different zoos are mentioned as largest zoo of india

Anyone please clearify and tell me which is the largest zoo in india ??

Which is largest fresh water lake in india

Wular or pulicat or kolleru ??

Please confirm with source 

https://www.google.com/amp/s/www.thehindu.com/news/national/andhra-pradesh/atapaka-bird-sanctuary-opens-for-tourists/article33475849.ece/amp/

Kolleru is largest fresh water lake and also acc to Wikipedia kolleru is fresh water lake , although not mentioned as largest 

Effect of acid rains on lichens

According to vision test -8 ,Q-75 -- acid rain lead to high production of lichens on affected trees

But on searching online..get to know that acid rains has negative effect on lichens as lichens is sensitive to sulphur and acid rain contains Sulphur compounds.

So what is considered as correct??

Who decide the question of disqualification under office of profit ??

What's the procedure and who's decision is final ??