LGS Mixed Practice Test #850

Question 1

The axis of the Earth is inclined to the plane of its orbit at an angle of:‌​‍

Accepted Answer

23.5° — Earth's axial tilt of 23.5° produces seasons as the planet revolves around the Sun.‌​‍

Answer

24.5°

Answer

25°

Answer

22.5°

Question 2

Coffee #1 state:‌​‍

Accepted Answer

Karnataka — Karnataka (Baba Budan Hills).‌​‍

Answer

Kerala

Answer

Tamil Nadu

Answer

Assam

Question 3

The Nobel Peace Prize is awarded at:‌​‍

Accepted Answer

Oslo, Norway — The Nobel Peace Prize is awarded in Oslo, Norway. ‌​‍All other Nobel Prizes (Physics, Chemistry, Medicine, Literature, Economics) are awarded in Stockholm, Sweden.

Answer

Stockholm, Sweden

Answer

Geneva, Switzerland

Answer

The Hague, Netherlands

Question 4

The tribal chieftain who led the Kurichiya Rebellion (1812) against the British in Wayanad was:

Accepted Answer

Talakkal Chandu — Talakkal Chandu led the Kurichiya tribal uprising of 1812 against British taxation and forest restrictions.

Answer

Edachena Kunkan

Answer

Pallur Eman

Answer

Velu Thampi Dalawa

Question 5

Moment Magnitude Scale:

Accepted Answer

Replaces Richter for large quakes — Mw preferred for M > 7.

Answer

Same as Richter

Answer

Different measure

Answer

Unused

Question 6

A convex lens placed in water — its focal length:‌​‍

Accepted Answer

Increases — Refractive index of water is closer to glass than air. ‌​‍By lensmaker's equation, focal length increases (lens becomes weaker).

Answer

Doubled

Answer

Decreases

Answer

Remains the same

Question 7

Aadhaar is a biometric identification system unique to:‌​‍

Accepted Answer

India — Aadhaar (UIDAI, 2009) provides 12-digit unique ID based on biometrics + demographic data.‌​‍

Answer

Japan

Answer

USA

Answer

UK

Question 8

Coelenterates (Cnidaria):

Accepted Answer

Jellyfish, corals — Jellyfish, corals — stinging cells.

Answer

Fish

Answer

Starfish

Answer

Sponges

Question 9

If ax² + bx + c = 0 has real roots, discriminant:‌​‍

Accepted Answer

b² - 4ac ≥ 0 — >0: two distinct real; =0: equal; <0: complex conjugate pair. ‌​‍Roots: (-b ± √D)/(2a).

Answer

= 0 only

Answer

< 0

Answer

≠ 0

Question 10

In a patient experiencing metabolic acidosis, which of the following compensatory mechanisms would the body primarily employ to restore acid-base balance?

Accepted Answer

C. Increased respiratory rate (hyperventilation) — In metabolic acidosis, the body attempts to compensate by increasing the respiratory rate (hyperventilation). This leads to increased exhalation of carbon dioxide (CO2), which reduces the amount of carbonic acid in the blood, thereby raising the blood pH. Decreased respiratory rate or increased renal bicarbonate excretion would worsen acidosis.

Answer

A. Increased renal bicarbonate excretion

Answer

B. Decreased respiratory rate

Answer

D. Increased hydrogen ion secretion in the stomach

LGS Mixed Practice Test #850