LGS Mixed Practice Test #142

Question 1

The Tyndall effect is exhibited by:‌​‍

Accepted Answer

Colloids — Colloidal particles scatter light, making beam visible — Tyndall effect.‌​‍

Answer

Gases only

Answer

Pure liquids

Answer

True solutions

Question 2

Kerala's first Speaker:‌​‍

Accepted Answer

R. Shankaranarayanan Thampi — R. Shankaranarayanan Thampi (1957-59).‌​‍

Answer

Alexander Parambithara

Answer

P. Krishnan

Answer

K.M. Seethi

Question 3

World War II began with:‌​‍

Accepted Answer

German invasion of Poland (1 Sept 1939) — Germany invaded Poland 1 Sept 1939. ‌​‍UK and France declared war 3 Sept. War ended 2 Sept 1945 (Japan's surrender).

Answer

Japanese invasion of China

Answer

Italian invasion of Ethiopia

Answer

Pearl Harbor

Question 4

A teacher observes that a student struggles with understanding a concept despite multiple explanations. Which type of assessment should the teacher use to identify the root cause of the difficulty?

Accepted Answer

B. Diagnostic assessment — Diagnostic assessment is used to identify specific learning difficulties or gaps in understanding. It is conducted before or during instruction to help teachers adjust their methods. Summative assessment evaluates learning outcomes, formative assessment provides ongoing feedback, and aptitude assessment measures potential rather than current understanding.

Answer

A. Summative assessment

Answer

C. Formative assessment

Answer

D. Aptitude assessment

Question 5

Who founded 'Advaita Ashram' at Aluva in 1913?‌​‍

Accepted Answer

Sree Narayana Guru — Sree Narayana Guru founded the Advaita Ashram at Aluva in 1913.‌​‍

Answer

Thycaud Ayya

Answer

Chattampi Swami

Answer

Ayya Vaikundar

Question 6

Valence shell electron pair repulsion (VSEPR) predicts shape of NH₃:

Accepted Answer

Trigonal pyramidal (with lone pair) — 3 bond pairs + 1 lone pair on N; H-N-H angle ~107°. Tetrahedral electron geometry; pyramidal molecular.

Answer

Linear

Answer

Trigonal planar

Answer

Tetrahedral

Question 7

Social stratification means:‌​‍

Accepted Answer

Hierarchical organisation of society into layers based on wealth, power, prestige — Stratification systems: caste (closed), class (open), estate (feudal), slavery. ‌​‍Max Weber identified 3 dimensions: class (economic), status (prestige), party (political).

Answer

Classification of rocks

Answer

Population count

Answer

Economic growth

Question 8

Aadhaar program was launched in:‌​‍

Accepted Answer

2009 — UIDAI established January 2009. ‌​‍First Aadhaar issued September 2010 to Ranjana Sonawane of Maharashtra.

Answer

2006

Answer

2019

Answer

2016

Question 9

India AI Mission:‌​‍

Accepted Answer

10,000 crore approved 2024 — ₹10,372 crore IndiaAI Mission.‌​‍

Answer

Existing

Answer

Only plan

Answer

Cancelled

Question 10

Make in India was launched in:‌​‍

Accepted Answer

2014 — Make in India was launched on 25 September 2014 to encourage manufacturing in India.‌​‍

Answer

2012

Answer

2016

Answer

2018

LGS Mixed Practice Test #142