1406: The working principle of a washing machine is
(a) centrifugation
(b) dialysis
(c) reverse osmosis
(d) diffusion
1407: Match List-I with List-II and select the correct answer using the code given below the lists:
List-I (Eminent Person) List-II(Known as)
A. Bhanu Bharti 1. Music composer
B. Mike Pandey 2. Poet and Literateur
C. Mohd. Zahur Khayyam 3. Theatre director
D. Vinda Karandikar 4. Wildlife film maker
(A) 1 4 3 2
(B) 1 2 3 4
(C) 3 2 1 4
(D) 3 4 1 2
1408: Which of the following pairs are correctly matched?
Publication : Group
1. Sportstar : The Hindu Publication group
2. Business World : ABP group
3. The Week : Malayala Manorama publication group
4. Reader's Digest : Indian Express publication group
Select the correct answer using the codes given below:
(a) 1 and 3
(b) 2 and 4
(c) 1, 2, and 3
(d) 1, 2, 3 and 4
1409: India-based Neutrino Observatory is included by the Planning Commission as a mega science project under the 11th five-Year Plan. In this context, consider the following statements:
1. Neutrinos are chargeless elementary particles that travel close to the speed of light.
2. Neutrinos are created in nuclear reactions of beta decay.
3. Neutrinos have a negligible, but nonzero mass.
4. Trillions of Neutrinos pass through human body every second.
Which of the statements given above are correct ?
(a) 1 and 3 only
(b) 1, 2 and 3 only
(c) 2, 3 and 4
(d) 1, 2, 3 and 4
1410: 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