2446: There are eight poets, namely, A, B, C, D, E, F, G and H in respect of whom questions are being asked in the examination. The first four are ancient poets and the last four are modern poets. The question on ancient and modern poets is being asked in alternate years. Those who like H also like G, those who like D like C also. The examiner who sets question is not likely to ask question on D because he has written an article on him. But he likes D. Last year a question was asked on F. Considering these facts, on whom the question is most likely to be asked this year?
(a) B
(b) C
(c) D
(d) G
2447: Biological Oxygen Demand (BOD) is a standard criterion for
(a) Measuring oxygen levels in blood
(b) Computing oxygen levels in forest ecosystems
(c) Pollution assay in aquatic ecosystems
(d) Assessing oxygen levels in high altitude regions
2448: Panchayati Raj was first introduced in India in October, 1959 in
(a) Rajasthan
(b) Tamil Nadu
(c) Kerala
(d) Karnataka
2449: 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
2450: The blood pressure values of four persons are given below :
1. Mrs. X : 90/60
2. Mr. X : 160/120
3. Mr. Y : 120/80
4. Mrs. Y : 140/100
Who among the following has normal blood pressure?
(a) Mrs. X
(b) Mr. X
(c) Mrs. Y
(d) Mr. Y