LGS Mixed Practice Test #139

Question 1

Where did Sree Narayana Guru install a mirror (lamp) as an idol?

Accepted Answer

Karamukku — Sree Narayana Guru installed a mirror/lamp at Karamukku temple, symbolising that God is the light of knowledge within every person. At Aruvippuram (1888), he installed a Shiva Linga.

Answer

Aruvippuram

Answer

Sivagiri

Answer

Aluva

Question 2

A high school student memorizes the formula for the area of a triangle (A = ½ × base × height) but fails to apply it to solve a real-world problem about land measurement. Ausubel would attribute this to:

Accepted Answer

A. Rote learning without meaningful understanding or connection to prior knowledge — Ausubel emphasized meaningful learning, where new knowledge must be assimilated into existing cognitive structures. Rote memorization (A) leads to surface-level understanding and poor application. Cognitive dissonance (B) is a motivational concept, discovery learning (C) is Bruner’s approach, and practice alone (D) without meaning doesn’t address underlying comprehension issues.

Answer

B. Lack of cognitive dissonance in the learning process

Answer

C. Over-reliance on discovery learning methods

Answer

D. Insufficient practice with similar problems

Question 3

Smart Cities launched:‌​‍

Accepted Answer

2015 — June 2015.‌​‍

Answer

2020

Answer

2017

Answer

2014

Question 4

German silver contains:‌​‍

Accepted Answer

Cu + Zn + Ni — German silver has no silver — it is an alloy of Cu, Zn, Ni.‌​‍

Answer

Silver + zinc

Answer

Silver only

Answer

Silver + copper

Question 5

Kerala first SEC:‌​‍

Accepted Answer

Dr. Mohammed Kunju — Statutory appointments.‌​‍

Answer

Joseph

Answer

Varma

Answer

Nair

Question 6

BOD of domestic sewage should be less than ___ mg/L before discharge:

Accepted Answer

30 mg/L — Higher BOD indicates pollution. Secondary treatment brings BOD down via activated sludge/trickling filters.

Answer

100

Answer

300

Answer

1000

Question 7

Coulomb's law force between two point charges varies as:

Accepted Answer

1/r² — F = kq₁q₂/r². k = 1/(4πε₀) = 9 × 10⁹ N·m²/C². Valid in vacuum; medium reduces by dielectric constant.

Answer

1/r

Answer

1/r³

Answer

r

Question 8

Study of nervous system:

Accepted Answer

Neurology — Neurology.

Answer

Cardiology

Answer

Psychology

Answer

Hepatology

Question 9

First Indian Antarctic expedition:

Accepted Answer

1981 — 1981 under S.Z. Qasim.

Answer

1985

Answer

1990

Answer

1970

Question 10

When sound waves go from air (rarer) to water (denser), the speed:‌​‍

Accepted Answer

Increases — Sound speed: air 343 m/s, water ~1482 m/s, steel ~5960 m/s — faster in denser elastic media.‌​‍

Answer

Stays same

Answer

Decreases

Answer

Becomes zero

LGS Mixed Practice Test #139