1871: In an objective test there are 60 questions. Each question carries four alternative answers only one of which is correct. Suppose A and B are two candidates both of whom know correct answers to 30 questions. A answers only 30 questions while B answers all 60 questions choosing answers at random for those he does not know the answers of. If each question carries a mark of 1 and no negative marks are awarded, the marks obtained by B are expected to be larger than those obtained by A by
(a) 0
(b) 15
(c) 5
(d) 7.5
1872: 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
1873: Who among the following directed the film chosen as India's offical entry for the year 2006 Academy Awards?
(a) Adodor Gopalakrishnan
(b) Amol Palekar
(c) Sanjay Leela Bhansali
(d) Kunal Kohli
1874: In a tournament 14 teams play league matches. If each team plays against every other team once only then how many matches are played ?
(A) 105
(B) 78
(C) 85
(D) 91
1875: The Millennium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?
(a) Production of food and water
(b) Control of climate and disease
(c) Nutrient cycling and crop pollination
(d) Maintenance of diversity