Science – Fill in the Blank – GK Questions

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Showing 81–100 of 132 questions
science medium Fill in the Blank Biology - Plant Anatomy UPSC NDA, SSC CGL, Railway NTPC

The vascular bundles in dicot stems are arranged in a ________ pattern.

  1. Scattered
  2. Ring
  3. Radial
  4. Concentric
science medium Fill in the Blank Physics - Units and Measurements SSC JE, Railway NTPC, Banking IBPS

The SI unit of magnetic flux is ________.

  1. Tesla
  2. Weber
  3. Henry
  4. Gauss
science easy Fill in the Blank Environmental Science - Sustainable Practices SSC MTS, Railway Group D, Banking Clerk

The 3R principle for waste management stands for Reduce, Reuse, and ________.

  1. Recycle
  2. Refuse
  3. Rot
  4. Repair
science medium Fill in the Blank Chemistry - p-Block Elements SSC CGL, Railway JE, UPSC NDA

The inert pair effect is most prominent in the ________ group of p-block elements.

  1. 13
  2. 14
  3. 15
  4. 16
science medium Fill in the Blank Biology - Human Reproduction SSC CGL, Railway NTPC, UPSC CAPF

The hormone that triggers ovulation in human females is ________.

  1. FSH
  2. LH
  3. Estrogen
  4. Progesterone
science hard Fill in the Blank Physics - Modern Physics UPSC CSE, SSC Scientific Assistant, CSIR NET

The de Broglie wavelength of a particle is inversely proportional to its ________.

  1. Energy
  2. Momentum
  3. Mass
  4. Velocity
science hard Fill in the Blank Chemistry - Chemical Kinetics UPSC CSE, SSC Scientific Assistant, CSIR NET

For a zero-order reaction, the unit of rate constant is ________.

  1. s⁻¹
  2. mol L⁻¹ s⁻¹
  3. L mol⁻¹ s⁻¹
  4. mol² L⁻² s⁻¹
science easy Fill in the Blank Environmental Science - Climate UPSC Prelims, SSC CGL, Railway NTPC

El Niño is a climate pattern associated with warming of waters in the ________ Ocean.

  1. Atlantic
  2. Indian
  3. Pacific
  4. Arctic
science easy Fill in the Blank Biology - Human Physiology SSC MTS, Railway Group D, Banking Clerk

The pacemaker of the human heart is the ________ node.

  1. AV
  2. SA
  3. Bundle of His
  4. Purkinje
science hard Fill in the Blank Chemistry - Coordination Compounds UPSC CSE, SSC Scientific Assistant, CSIR NET

The coordination number of cobalt in [Co(NH₃)₆]Cl₃ is ________.

  1. 3
  2. 4
  3. 5
  4. 6
science medium Fill in the Blank Physics - Electronics Railway ALP, SSC JE, Banking Specialist Officer

A device that converts AC to DC is called a ________.

  1. Transformer
  2. Rectifier
  3. Inverter
  4. Amplifier
science medium Fill in the Blank Biology - Plant Physiology SSC CGL, Railway NTPC, UPSC CAPF

The hormone that promotes fruit ripening in plants is ________.

  1. Auxin
  2. Gibberellin
  3. Cytokinin
  4. Ethylene
science medium Fill in the Blank Technology - Space Technology UPSC Prelims, SSC CGL, Railway NTPC

ISRO's launch vehicle that uses cryogenic engines in its upper stage is ________.

  1. PSLV
  2. GSLV
  3. SSLV
  4. ASLV
science medium Fill in the Blank Physics - Atomic Physics UPSC CSE, SSC Scientific Assistant, Railway JE

The spectral series of hydrogen lying in the visible region is called ________ series.

  1. Lyman
  2. Balmer
  3. Paschen
  4. Brackett
science medium Fill in the Blank Biology - Human Pathology SSC CGL, Railway NTPC, UPSC CAPF

Jaundice is characterized by yellowing of skin and eyes due to accumulation of ________.

  1. Urea
  2. Bilirubin
  3. Creatinine
  4. Uric acid
science medium Fill in the Blank Chemistry - Industrial Chemistry SSC JE, Railway NTPC, UPSC CAPF

The Contact Process is used for the industrial production of ________ acid.

  1. Nitric
  2. Hydrochloric
  3. Sulfuric
  4. Phosphoric
science medium Fill in the Blank Environmental Science - Wildlife Conservation UPSC Prelims, SSC CGL, Railway NTPC

Project Tiger was launched in India in the year ________.

  1. 1971
  2. 1973
  3. 1980
  4. 1992