UPPSC Prelims
UPPSC Prelims 2018: Previous-Year Questions
13 questions from this paper, sorted by subject, with their options. Each one opens to its answer and explanation.
Biology 5 questions
Double-helical structure of DNA was given by whom?
- AJacob and Monod
- BWatson and Crick
- CH.G. Khorana
- DNone of the above
Which of the following is NOT obtained from insects?
- ASilk
- BHoney
- CLac
- DPearl
Which of the following animals can live for the longest duration without drinking water?
- AGiraffe
- BCamel
- CKangaroo
- DKangaroo rat
Which of the following is the richest source of Vitamin C?
- AOrange
- BApple
- CCarrot
- DAmla
Which pain killer given to cattle is responsible for near extinction of vultures in India?
- AIbuprofen
- BAcetaminophen
- CAspirin
- DDiclofenac
Chemistry 2 questions
Graphene is ________.
- AAn alloy of carbon
- BNano structure of carbon
- CIsotope of carbon
- DNone of the above
A powerful eye irritant in smoke is
- AOzone
- BSulphur dioxide
- CCarbon dioxide
- DPeroxyacetyl nitrate
Physics 6 questions
Sound will have the highest velocity in
- AVacuum
- BAir
- CWater
- DSteel
Which of the following represents the decibel level of rustling of tree leaves in normal circumstances?
- A10 dB
- B20 dB
- C60 dB
- D100 dB
Which of the following electromagnetic radiations has the maximum energy?
- AVisible light
- BInfrared rays
- CUltraviolet rays
- DX - Rays
Which of the following elements is a semiconductor?
- AAluminium
- BSilicon
- CSilver
- DLead
Which of the following has the highest velocity?
- ACosmic rays
- BLight
- CElectron
- DSupersonic wave
Which of the following was invented by Wilhelm Roentgen?
- ARadio
- BX - Ray Machine
- CElectric Bulb
- DNone of the above