NextMockపరీక్షలు వెతకండి, ఉదా. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ప్రశ్న 38

The Earth's inner layer NIFE is rich in which elements?

  1. Silica and magnesium
  2. Basalt and silica
  3. Nickel and ferrum (iron)
  4. Silica and aluminium
  5. None of the above / More than one of the above
సమాధానం చూపించు & వివరణ

సమాధానం: (C) Nickel and ferrum (iron)

వివరణ

Suess's layers: SIAL (crust), SIMA (mantle), NIFE (core of nickel and iron).

  • (A) తప్పు

    Wrong: that is SIMA.

  • (B) తప్పు

    Wrong: basalt is a rock, not an element.

  • (C) సరైనది

    Correct: NIFE = Nickel + Ferrum.

  • (D) తప్పు

    Wrong: that is SIAL.

  • (E) తప్పు

    Wrong: only one of the options A–D is correct.