31: Superconductors are so called because they
(a) Efficiently conduct heat from one hot body to another
(b) Offer no resistance to conduction of heat at high temperatures
(c) Offer no resistance to conduction of electricity at low temperatures
(d) Produce high temperatures while conducting electricity
32: Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by
(a) moulds
(b) viruses
(c) protozoa
(d) bacteria
33: Consider the following :
I. Saxena, David. Jain and Kumar were District Collectors at places P, Q, R and S respectively in 1970.
II. In 1972 they were transferred. Saxena and Jain interchanged places. Kumar and David also interchanged places.
III. One year later in 1973 they were again transferred such that David and Jain interchanged places and Saxena and Kumar were also interchanged.
What should be the next round of transfers so that all the four persons could have been posted at all the four places ?
(a) Interchange Saxena and David as well as Jain and Kumar
(b) Interchange Saxena and Kumar as well as David and Jain
(c) Interchange David and Kumar as well as Saxena and Jain
(d) It is not possible for all the four persons to have been posted at all the four places
34: Who among the following introduced the famous Persian Festival of NAUROJ in India?
(a) Balban
(b) Iltutmish
(c) Firuz Tughlaq
(d) Ala-ud-din Khilji
35: With reference to 'Forest Carbon Partnership Facility', which of the following statements is/ are correct?
1. It is a global partnership of governments, businesses, civil society and indigenous peoples.
2. It provides financial aid to universities, individual scientists and institutions involved in scientific forestry research to develop eco-friendly and climate adaptation technologies for sustainable forest management.
3. It assists the countries in their 'REDD + (Reducing Emissions from Deforestation and Forest Degradation+)' efforts by providing them with financial and technical assistance.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3