36: Which of the following States has "Urdu" as its official language?
(a) Bihar
(b) Jammu & Kashmir
(c) Madhya Pradesh
(d) Rajasthan
37: With reference to the provisions made under the National Food Security Act, 2013 consider the following statements:
1. The families coming under the category of 'below poverty line (BPL)' only are eligible to receive subsidised grains.
2. The eldest woman in a household, of age 18 years or above, shall be the head of the household for the purpose of issuance of a ration card.
3. Pregnant women and lactating mothers are entitled to a take-home ration' of 1600 calories per day during pregnancy and for six months thereafter.
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only
38: Indias ranking in the Ease of Doing Business Index is sometimes seen in the news. Which of the following has declared that ranking?
(a) Organization for Economic Cooperation and Development (OECD)
(b) World Economic Forum
(c) World Bank
(d) World Trade Organization (WTO)
39: The rainbow and the rainbow-like colours seen on a thin film of oil on a water surface are two phenomena. They are
(a) Similar in nature and both are due to refraction of light
(b) Different in nature and rainbow is due to interference of light, while colour of thin film is due to diffraction
(c) Similar in nature and both are due to interference of light
(d) Different in nature and rainbow is due to refraction, while colour of thin film is due to interference of light
40: 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