UPSC Civil Services Prelims 2020: How to prepare for UPSC exam amid Covid-19 pandemic The UPSC Civil Services Prelims 2020 is scheduled to be held on October 4 W ith a couple of months left for the UPSC exam, aspirants must be in full swing, studying with sharp concentration to leave no stone unturned. While marching towards the final day, a sense of anxiety, fear must be lingering deep down within them. These concerns being natural for the students, the current year has added on to their uncertainties. From the dire shift in the preparation method to the skepticism surfacing the entire world, they are highly prone to visualize a bleak future. Therefore, compared to earlier, the aspirants are in urgent need of expert assistance to keep them motivated under the reeling effects of Covid-19. Detachment The very first step before sitting to study is to detach yourself from the surrounding. Where people are becoming restless with Covid-19 news, it is

Schools to reopen in August or September or October? 😕😕😕😕😕😕   Check latest updates here Centre seeks feedback from states and union territories on school reopening. Schools to reopen in August or September or October? The Union education ministry has asked states and union territories for parent's feedback on a likely period when they will be comfortable with reopening of schools. The education secretaries of all states and union territories have been asked to revert with the feedback by July 20 i.e. by today. A circular sent by the Department of School Education and Literacy, Ministry of Human Resource Development (HRD), has also asked for parent’s expectations from schools as and when they reopen. Feedback asked on following points for reopening of schools: ·        What is the likely period when they will be comfortable with reopening of schools —August / September / October 2020 ·        What are the parents’ expectations from Schools — when the

41. A solid cylinder of mass 2 kg and radius 4 cm rotating about its axis at the rate of 3 rpm. The torque required to stop after   2 p   revolutions is       (1) 2 × 10^ –6 N m           (2) 2 × 10^ –3 N m       (3) 12 × 10^ –4 N m        (4) 2 × 10^ 6 N m 42 . A force F = 20 + 10 y acts on a particle in y-direction where F is in newton and y in meter. Work done by this force to move the particle from y = 0 to y = 1 m is         (1) 30 J                            (2) 5 J        (3) 25 J                         (4) 20 J 43.Which of the following acts as a circuit protecting device?       (1) Conductor       (2) Inductor       (3) Switch       (4) Fuse 44.In the circuits shown below, the readings of voltmeters and the ammeters will be      (1) V 2 > V 1    and   i 1 = i 2      (2) V 1 = V 2  and   i 1 > i 2      (3) V 1 = V 2   and   i 1 = i 2      (4) V 2 > V 1   and  

36.If Avogadro number N A ,is changed from 6.022x10^23 mol^-1 to 6.022x10^20 mol^-1,this would change a)   The mass of one mole of carbon b)   The ratio of chemical species to each other in a balanced equation c)    The ratio of elements to each other in a compound d)   The definition of mass in units of grams.     37 . Which has the maximum number of molecules among the following? a)     44 g CO 2 b)     48 g O 3 c)      8   g H 2 d)     64 g SO 2    38. The amount of zinc required to produce 224m  of  H 2  at STP on treatment with dilute H 2 SO 4 will be a)     65g b)     0.065g c)     0.65g d)     6.5g    39. The dimension of pressure are the same as that of a)    Force per unit volume b)     Energy per unit volume c)     Force d)     Energy    40. One litre  hard water contains 12.00 mg  Mg^2+  milli- equivalents of washing soda required to remove its

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31.In which of the following dinoflagellates bioluminescence was reported for the first time? a)   Noctiluca b)   Ceratium c)   Alexandrium d)   Pyrocystis 32. Food particles in Ameoba are less active in        a)   Circumfluence        b)   Circumvallation        c)   Invagination        d)   Import 33. Wriggling type of locomotion is seen in       a)   Paramecium       b)   Zooflagellates       c)   Globigerina       d)   Sporozoans 34. A horticulturist used a certain bacteria X to cure off the bitterness of leaves of tea and tobocco.Name the bacteria X.       a)   Pseudomonas fluorescence       b)   Bacillus megatherium       c)   Clostridium butylicum       d)   Acetobacter aceti 35) select the correct statement regarding asexual reproduction in fungi       a)   Cilia help the Zoospores to swim in aquatic habitat for proper dispersal.       b)   Oidia are individual cells that multiply by budding.       c)   C