821: What is the correct chronological order in which the following appeared in India ?
I. Gold coins
II. Punch-marked silver coins
III. Iron plough
IV. Urban culture
Select the correct answer using the codes given below :
Codes :
(a) III, IV, I, II
(b) III, IV, II, I
(c) IV, III, I, II
(d) IV, III, II, I
822: Which one of the following statements is not correct?
(a) The National Song Vande Mataram was composed by Bankimchandra Chatterji originally in Bengali.
(b) The National Calendar of India based on Saka era has its 1st Chaitra on 22nd March normally and 21st March in a leap year.
(c) The design of the National Flag of India was adopted by the Constituent Assembly on 22nd July 1947.
(d) The song "Jana-gana-mana", composed originally in Bengali by Rabindranath Tagore was adopted in its Hindi version by the Constituent Assembly on 24th January 1950 as the National Anthem of India.
823: With reference to Dhrupad, one of the major traditions of India that has been kept alive for centuries, which of the following statements are correct?
1. Dhrupad originated and developed in the Rajput kingdoms during the Mughal period.
2. Dhrupad is primarily a devotional and spiritual music.
3. Dhrupad Alap uses Sanskrit syllables from Mantras.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None of the above is correct
824: It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?
1. Production of algae based biofuels is possible in seas only and not on continents.
2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.
3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.
Select the correct answer using the code given below:
a. 1 and 2 only
b. 2 and 3 only
c. 3 only
d. 1, 2 and 3
825: Avinash is Ravi's eldest brother. Ravi is younger to Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?
(a) Ajay is younger to Avinash
(b) Avinash is younger to Ajay
(c) Ajay is younger to Ravi
(d) None of the above