What does a diamond shape represent in an ER

Consider the following statements:

1.  Rajmahal highlands consist of lava flow deposits.

Which is the highest peak in Andaman and Nicobar Islands?

Consider the following events in the geological history of India:

1. Formation of Gondwana coal

2. Formation of Himalayas

Which of the following divides India into northern and Southern parts?

The McMahon Line serves as a de facto boundary between which two countries?

Arrange the following North-Eastern hills in order starting from North to South:

1. Lushai Hills

2. Manipur Hills

Which of the following pairs is NOT correctly matched?

Venus's atmosphere primarily contains what type of clouds?

In which of the following region midnight Sun is visible?

Regarding the Peninsular plateau, which of the statements given below is incorrect?