• Qutubuddin Aibak (1206-1210) was the founder of Slave Dynasty (1206-1290).

• He ruled his empire initially from the Capital Lahore and later moved the capital to Delhi.

• He ruled for only 4 years.

• After Muhammad Ghori's death, all the Muslim rulers who ruled over India from AD 1206-1290 were either slaves or were descendants of the slave ruler.

• So, the Dynasty is generally known as the Slave Dynasty.

Balkrishna and Vasudeo Chapekar shot WC Rand, ICS, Chairman of the Special Plague Committee in 1897. Madan Lal Dhingra assassinated Lord Curzon. Prafulla Chaki and Khudiram Bose were involved in Alipore Bomb Conspiracy which is also called the Manicktolla bomb conspiracy. 

The Danube is one of the most important rivers in Europe and the continent’s second longest river after the Volga. The river was one of the long standing frontiers of the Roman Empire and today forms a part of the borders of 10 European countries. It originates in the Black Forest in Germany and flows east wards for a distance of some 2850 km (1771 miles), passing through 4 capitals, before emptying into the Black Sea.

Of the above-mentioned plant species, Ilex khasiana (commonly known as Aquifoliaceae) is critically endangered. This critically endangered plant species is found only in Shillong Peak in Meghalaya, where only four rare specimens are available. It grows up to 15-20 meters tall. The plant is so threatened because seed germination in nature happens very rarely and viable seeds have a prolonged stage of dormancy. Other mentioned plant species are – Amentotaxus assamica (Endangered), Actinodaphne lawsonii (Vulnerable), and Kingiodendron pinnatum (Endangered).

SIXTH SCHEDULE of the constitution talks about the provisions as to the Administration of Tribal Areas in the States of Assam, Meghalaya, Tripura and Mizoram.

Nokrek National Park, the core area of Nokrek Biosphere Reserve, is a national park located approximately 2 km away from Tura Peak in the West Garo Hills district of Meghalaya. The Nokrek region has a remnant population of the red panda. The Great Rann of Kutch is a salt marsh in the Thar Desert in the Kutch District of Gujarat, India. It is one of the last places on earth where the endangered wild ass can be spotted. The Seshachalam Hills are hilly ranges part of the Eastern Ghats in southern Andhra Pradesh. Slender lorises are found in this area. Dihang-Dibang is a biosphere reserve in the Indian state of Arunachal Pradesh. Rare mammals, such as Mishmi takin, red goral and musk deer are found here.

● Extended Binary Coded Decimal Interchange Code (EBCDIC) is an 8-bit character encoding used primarily on mainframe operating systems. EBCDIC represents each letter, number or other symbol with a unique 8-bit code.

● Thus, the correct option is D.

Hirudinaria is commonly called leech. It is mostly found in freshwater ponds or ponds and pits. It is an external parasite and Sanguivorous. Leech extracts a type of antiperspirant while sucking blood, which prevents blood from freezing. Aphrodite is called Sea mouse. The earthworm is known as the friend of farmers, nature's ploughman, intestine of earth and barometer of soil fertility. Nereis is a marine polycet found around the world on the beach under rocks or among marine flora.

Malaria Fever   -    Female Anopheles

Yellow Fever   -   Female Aedes aegypti

Cholera    -     Domestic Fly

Typhoid   -    Pediculus