Challenger App

No.1 PSC Learning App

1M+ Downloads
Which of the following nutrient cycles lacks a major gaseous component?
Nitrogen-fixing bacteria like Rhizobium are associated primarily with which part of the nitrogen cycle?

ചുവടെ കൊടുത്തിരിക്കുന്നവയിൽ ഘർഷണവുമായി ബന്ധപ്പെട്ട് ശരിയായ പ്രസ്താവനകൾ ഏതെല്ലാം ?

  1. ഘർഷണം കൂടുന്നതിനനുസരിച്ച് വസ്തുവിന്റെ വേഗത കുറയുന്നു
  2. ഘർഷണം കുറയുന്നതിനനുസരിച്ചു വസ്തുവിന്റെ വേഗത കൂടുന്നു
  3. ഒരു പ്രതലം, മറ്റൊരു പ്രതലത്തിലൂടെ ചലിക്കുമ്പോൾ അവയുടെ ആപേക്ഷിക ചലനത്തെ എതിർക്കുന്ന തരത്തിൽ പ്രതലങ്ങൾക്കിടയിൽ സമാന്തരമായി അനുഭവപ്പെടുന്ന ബലം
    Which of the following correctly describes the direction of energy flow in an ecosystem?
    Lindeman’s law in ecosystem energy flow is also known as:
    Net Primary Productivity (NPP) can be expressed as:
    The 6th term of an arithmetic sequence is 24 and the 8th term in 34. What is the sum of the first 13 terms of the arithmetic sequence?
    Consumers in an ecosystem include all of the following except:
    The base radii of two cones are in the ratio 5:3 and their heights are equal. If the volume of the first cone 750𝝅 cu centimeters, then what is the volume of the second come cu. centimeters?
    Which among the following represents the “producers” in an ecosystem?
    Which of the following is not an abiotic factor in an ecosystem?
    A rectangle has a perimeter 64 centimeters. Its length is represented by 4x + 6 and breadth by 3x - 2 What is its length and breadth in centimeters?

    If a+1/a=2a + 1/a =2 what is a2024+1a2024=?a^{2024}+\frac{1}{a^{2024}}=?

    The term ecosystem was first coined in 1935 by:
    The sum of inner angle of a regular polygon is 1800°. The measure one inner angle of polygon is
    Which among the following quadratic equation has no real solution?
    A metallic cylinder of base radius 6cm and height 16cm is melted and recast into spheres of radius 3 cm. The number of spheres that can be made is
    Which among the following fractions are in between 2/5 and 4/7 ?
    The sum of the factors 12 is equal to
    A square pyramid of base edge 10 centimeters and slant height 12 centimetres is made of paper.What are the lengths of the edges of the lateral face in centimetres?
    A number is first increased by 20% and then decreased by 20%. What is the net increase or decreased in the original number?
    The algebraic form of an arithmetic sequence 4n + 3 The sum of the first 20 terms of this sequence is
    The lengths of the adjacent sides of a parallelogram are 5 centimetres and 12 centimetres. The length of one of its diagonals is 13 centimetres. The area of the parallelogram is :

    With reference to Family Health Centres (FHCs), which of the following statements are correct?

    1. They are transformed from Primary Health Centres in a phased manner.
    2. The initiative is funded entirely through the National Rural Employment Guarantee Scheme (NREGS).
    3. The initiative is funded entirely through the National Rural Employment Guarantee Scheme (NREGS).
      2025 സെപ്റ്റംബറിൽ അന്തരിച്ച ഇതിഹാസ ഇംഗ്ലീഷ് ക്രിക്കറ്റ് അമ്പയർ?

      Which of the following are objectives of the Aardram Mission launched in the 13th Five-Year Plan?

      1. Converting Primary Health Centres into Family Health Centres.

      2. Making outpatient (OP) wings of government hospitals patient-friendly.

      3. Exclusive focus on privatization of hospitals.

      4. Ensuring protocol-based treatment is followed at all levels.

      നികുതി വെട്ടിപ്പും നിയമവിരുദ്ധ വാഹന ഇറക്കുമതിയും ഉൾപ്പെടുന്ന റാക്കറ്റിനെ ലക്ഷ്യം വച്ചുള്ള കസ്റ്റംസ് നടത്തിയ ഓപറേഷന്റെ പേര്?

      Consider the following about Kerala’s demographic features:

      1. Kerala’s Total Fertility Rate (TFR) is below the replacement level.

      2. Median age of first marriage for women in Kerala is higher than the national average.

      3. The state still reports instances of child marriage.

      ഒക്ലഹോമ സർവകലാശാലയിലെ വാട്ടർ സെന്റർ സ്പോൺസർ ചെയ്യുന്ന ദ്വിവത്സര 'ഇന്റർനാഷണൽ വാട്ടർ പ്രൈസ്' ലഭിച്ച ഇന്ത്യക്കാരൻ

      In the figure of the trapezium a =8 cm, b = 14cm h = 6cm what is its area ?

      image.png
      If m + 1/m = 4 then what is m³ + 1/m³
      The all-India average sex ratio as per the Census 2011 was:

      What is the value of (3/5)2×(5/7)23/5)3×(7/5)2=?\frac{(3/5)^2\times(5/7)^{-2}}{3/5)^3\times(7/5)^2}=?

      Which of the following best explains "systemic bias" in the context of gender gaps?
      Gender discrimination and sexism are described as:

      With reference to Kerala’s health indicators, which of the following statements are correct?

      1. Kerala has the highest life expectancy among all Indian states.

      2. Kerala’s Infant Mortality Rate (IMR) is in single digits, the only major state to achieve this.

      3. Kerala’s Maternal Mortality Ratio (MMR) is higher than the national average.

      4. Kerala has the lowest under-five mortality rate among large states.

      Which of the following is not listed as a cause of gender gaps in the given content?
      The word ‘agonistes’ in the title of Milton's play means :
      Which of the following fits under the economic gender gap?
      Jesting Pilate asks a question about:
      The educational gender gap is most evident in which area?
      "Strong Son of God, immortal Love..." Thus begins:
      When women, despite equal qualifications, have lower average earnings than men, this best illustrates:
      Tom Jones is a character created by :
      The gender gap in political empowerment primarily relates to:
      The most well-known example of a gender gap worldwide is:
      “Full many a gem of purest ray serene" is a line from :
      The term gender gap refers to:
      James Boswel is wel-known as a :
      ".. he is the father of English poetry.." said …………, of ………….