291: The maturity of a river course is recognised by the presence of
(a) V-shaped valley
(b) Meanders
(c) Gorges
(d) High denudational power
292: Consider the following pairs:
Medieval Indian State : Present Region
1. Champaka : Central India
2. Durgara : Jammu
3. Kuluta : Malabar
Which of the above pairs is / are correctly matched?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 1 and 3 Only
293: Which Article of the Constitution of India safeguards ones right to marry the person of ones choice?
(a) Article 19
(b) Article 21
(c) Article 25
(d) Article 29
294: Saddle Peak, the highest peak of Andaman and Nicobar islands, is located in
(a) Great Nicobar
(b) Middle Andaman
(c) Little Andaman
(d) North Andaman
295: Microbial fuel cells are considered a source of sustainable energy, Why ?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the Statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3