Challenger App

No.1 PSC Learning App

1M+ Downloads
What is the position of India in Global Hunger Index 2021?
How many times india has been elected to the UN Human Rights Council?
തെക്ക് - കിഴക്കൻ ഏഷ്യൻ രാജ്യങ്ങൾ ചേർന്ന് രൂപീകരിച്ച സാമ്പത്തിക സഹകരണ സംഘടന ഏത് ?

Which of the following statement is false?

i. Earth rotates from west to east.

ii.Earth takes 24 hours to complete one rotation.

iii. In one hour, the sun passes over 4° longitudes.

iv.The sun rises in the east.

ഐക്യരാഷ്ട്ര സഭയുടെ സെക്യൂരിറ്റി കൗൺസിലിൽ സ്ഥിരാംഗത്വത്തിന് വേണ്ടി പ്രവർത്തിക്കുന്ന രാജ്യങ്ങളുടെ സംഘടന ഏത് ?
സമ്പന്ന രാഷ്ട്രങ്ങളുടെ സാമ്പത്തിക സംഘടന ഏത് ?
വികസ്വര രാഷ്ട്രങ്ങളുടെ സാമ്പത്തിക സംഘടന ഏത് ?
ലോകത്തിൽ വ്യാവസായികമായി വികസിച്ചതും ഉയർന്നു വരുന്നതുമായ പ്രമുഖ രാജ്യങ്ങളുടെ കൂട്ടായ്മയാണ് ?
ഐക്യരാഷ്ട്ര സംഘടനയുടെ ആദ്യത്തെ പ്രത്യേക ഏജൻസി ഏത് ?

Consider the following factors:

  1. Rotation of the Earth 
  2. Air pressure and wind 
  3. Density of ocean water 
  4. Revolution of the Earth

Which of the above factors influence the ocean currents?

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino? 

1.La Nina is characterised by unusually cold ocean temperature in equatorial Indian Ocean whereas El Nino is characterised by unusually warm ocean temperature in the equatorial Pacific Ocean.

2.El Nino has adverse effect on south-west monsoon of India, but La Nina has no effect on monsoon climate.

Which of the statements given above is/are correct?

Normally, the temperature decreases with the increase in height from the Earth’s surface, because?


1.The atmosphere can be heated upwards only from the Earth’s surface

2.There is more moisture in the upper atmosphere

3.The air is less dense in the upper atmosphere

Select the correct answer using the codes given below :

' ലോക കൈ കഴുകല്‍ ദിനം ' എന്നാണ് ?
ബഹിരാകാശത്ത് എത്തുന്ന ഏറ്റവും പ്രായം കൂടിയ മനുഷ്യനെന്ന റെക്കോർഡ് സ്വന്തമാക്കിയ ഹോളിവുഡ് നടൻ ആരാണ് ?
Which Indian footballer has broken Brazilian legend Pele's international goal record?
What is the theme of the ‘World Arthritis Day 2021’?
Which public sector unit has recently been accorded “Maharatna” status?
Who become the first men's player to score ten hat-tricks in international football?
What is the current number of judges in Kerala High Court?
Which is the venue for the G20 Summit 2023?
Which project is launched by KSRTC to bring changes in the public transport sector in Kerala?
'Damra Port' under the Adani Group is located at ?
Which is the capital city of Armenia?
Rumisa Gelgi is the tallest woman in the world from which country?
National Philately Day 2021 is celebrated on?
Who has been appointed as the advisor of Indian Prime Minister in October 2021 ?
The scheme launched by central government for bringing all basic development projects into a single platform ?
VM Kutty, who passed away in October 2021, is associated with
Which is the first country to qualify for the FIFA World Cup 2022 ?
Which country has become the first in the world to vaccinate children aged 2 and above against Covid-19?
Which company has acquired the rights to operate the Thiruvananthapuram International Airport?
Who is the youngest cricketer to score a century in international cricket?
Who wrote 'The Book of Passing Shadows'?
Which country unveiled the world's first automated driverless train?
ഏറ്റവും കുറഞ്ഞ പ്രായത്തിൽ രാജ്യാന്തര ക്രിക്കറ്റിൽ സെഞ്ച്വറി നേടിയത് ആരാണ് ?
Indian Army chief general Manoj Mukund Naravane will visit which neighbouring country in October 2021?
Who is known as the father of Pakistan nuclear bomb?
Who among the following is not a recipient of Nobel Prize in Economic Science 2021?
Bathukamma festival is celebrated in which state?
Which International Forum has recognised access to a clean and healthy environment as a fundamental right?
The State Election Commission of which state is set to conduct India’s first dry run for “Voting through smart phone”?
Which is the rare species of butterfly is spotted in Paithalmala in Kannur district?
Malayalam actor Nedumudi Venu ,who passed away on October 11, 2021, won the National Award for Best Supporting Actor in 1990 for his performance in which film?
Who is the Malayalee to won a silver medal in World Junior Shooting 2021 ?
The mascot of U-17 Women's World Cup 2021 is`?
Which among the following statements is not related to longitude?
Which of the following statement is false?
Why does the pressure decreases when the humidity increases?
Find the correct statement from those given below.?
ബ്രസീലിന്റെ ഭൗമനിരീക്ഷണ ഉപഗ്രഹമായ ആമസോണിയുടെ വിക്ഷേപണ വാഹനം ഏത് ?