A vitamin requires cobalt for its activity. The vitamin is

• vitamin B₁₂

• vitamin D

• vitamin B₂

• vitamin A

Arrange the following in chronological order
1.   Tughlaqs                                          2. Lodis
3.   Saiyids                                            4. Illbari Turks
5.   Khiljis    

• 1, 2, 3, 4, 5

• 5, 4, 3, 2, 1

• 2, 4, 5, 3, 1

• 4, 5, 1, 3, 2

The term 'Caste' was derived from

• Portuguese

• Dutch

• German

• English

If input frequency of a full wave rectifier be n, then output frequency would be

• n/2

• n

• 3n/2

• 2n

Who was the founder of the 'Servants of India Society'?

• G K Gokhale

• M G Ranade

• B G Tilak

• Bipin Chandra Pal

Formalised system of trading agreements with groups of countries is known as

• trading blocks

• trade ventures

• trade partners

• trade organisations

The term 'Greater India' denotes

• political unity

• cultural unity

• religious unity

• social unity

The book titled "The Indian War of Independence" was written by

• Krishna Verma

• Madame Cama

• B G Tilak

• V D Savarkar

Mahatma Gandhi was profoundly influenced by the writings of

• Bernard Shaw

• Karl Max

• Lenin

• Leo Tolstoy

62.

One of the constituents of tear gas is

• ethane

• ethanol

• ether

• chloropicrin