Brisbane is not a former capital of Australia. The other cities are all former capitals of their respective countries: 

Karachi: The capital of Pakistan from 1947 to 1959

Auckland: A former capital of New Zealand

Kyoto: A former capital of Japan

Brisbane was the capital of Australia before Canberra from 1842 to 1859. 

The headquarters of the International Cricket Council (ICC) is located in (B) Dubai, United Arab Emirates. The ICC is the global governing body for the sport of cricket and is responsible for organizing international cricket events, formulating rules, and promoting the game worldwide. The decision to move the headquarters to Dubai was made in 2005, and the ICC officially opened its office in Dubai in 2006.

The disconnected lines drawn on a map for showing the slope are called (B) Hachure. Hachures are short, parallel lines that are drawn on a map to represent relief features such as slopes and hills. The spacing and orientation of hachures provide a visual indication of the steepness and direction of slopes on the map. Hachures are commonly used in cartography to enhance the representation of terrain and elevation.

Arakan Yoma is the extension of the Himalayas located in (D) Myanmar. The Arakan Yoma mountain range runs through the western part of Myanmar (Burma) and extends into southeastern Bangladesh.

The land of white elephants is (C) Thailand. This term is often used metaphorically to refer to Thailand, highlighting its cultural richness and uniqueness. In Thai culture, the white elephant is considered a symbol of good luck and prosperity.

(A) Species that are found only in some particular areas

Endemic species are those that are native and restricted to specific geographical areas and are not naturally found anywhere else in the world. They have evolved and adapted to particular local conditions, making them unique to those specific regions.

The largest lake in the world by both area and volume is (A) Caspian Sea. The Caspian Sea, although called a "sea," is technically the largest lake on Earth. It is located in Central Asia and is bordered by five countries: Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. The Caspian Sea has significant economic and environmental importance for the surrounding regions and plays a crucial role in the geopolitical landscape of the area.

The decayed remains of living organisms in soil are called (B) Humus. Humus is the organic material that forms as a result of the decomposition of plant and animal matter. It is a dark, nutrient-rich component of soil and plays a vital role in soil fertility. Humus improves soil structure, retains moisture, and provides essential nutrients for plant growth. It is a key element in sustaining healthy and productive soils in various ecosystems.