Jagran Josh Logo

Tips for IAS Prelims 2012 General Studies Paper 1-General Science

May 16, 2012 10:31 IST

With the change in the pattern of question asked, candidates in addition to the conventional part of the subject should study the technology part of Science. New technologies like Bluetooth, WiFi, Washing Machine, LED and LCD Televisions must be given extra attention as they cover a significant portion of the Science question.

Question Type

Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth's equator.
4. The orbit is at an altitude of 22,236 km.

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 Only
(d) 1, 2, 3 and 4
Answer: (a)

2. 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) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Answer: (c)

  • Citing safety concerns, non-Kashmiri students demand
  • They are also calling for action against cops who lathicharged students
  • NIT campus has been tense since students clashed over Indias T20 defeat

Post Comment
Suggested Colleges

Register to get FREE updates

    All Fields Mandatory
  • (Ex:9123456789)
  • Please Select Your Interest
  • Please specify

  • By clicking on Submit button, you agree to our terms of use
  • A verifcation code has been sent to
    your mobile number

    Please enter the verification code below

Stay Connected

Subscribe Newsletter

Straight To Your Inbox
LikeJagranjosh on Facebook!
Newsletter Signup
Follow us on

Register to view Complete PDF