ಮುಖ್ಯ ವಿಷಯಕ್ಕೆ ಹೋಗಿ

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 38

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

Silica and magnesium
Basalt and silica
Nickel and ferrum (iron)
Silica and aluminium
None of the above / More than one of the above

ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (C) Nickel and ferrum (iron)

ವಿವರಣೆ

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

(A) ತಪ್ಪು
Wrong: that is SIMA.
(B) ತಪ್ಪು
Wrong: basalt is a rock, not an element.
(C) ಸರಿ
Correct: NIFE = Nickel + Ferrum.
(D) ತಪ್ಪು
Wrong: that is SIAL.
(E) ತಪ್ಪು
Wrong: only one of the options A–D is correct.