LGS Mixed Practice Test #218

Question 1

A concave lens is:‌​‍

Accepted Answer

Diverging — Concave lens makes parallel rays diverge; used for short-sightedness.‌​‍

Answer

Plano

Answer

Converging

Answer

Cylindrical

Question 2

Gandhi's autobiography:‌​‍

Accepted Answer

My Experiments with Truth — The Story of My Experiments with Truth.‌​‍

Answer

Discovery

Answer

Key to Health

Answer

Hind Swaraj

Question 3

A teacher conducts a 6-minute microteaching session on 'Explaining a Science Concept' and receives feedback that students struggled with understanding the concept. What should be the NEXT step for the teacher?

Accepted Answer

B. Focus on improving clarity and simplification of the concept in the next session — The feedback indicates a need to refine the teaching skill itself (clarity and simplification), not just extend the session duration. Skipping feedback or changing the topic avoids addressing the core issue.

Answer

A. Increase the duration of the next microteaching session to 15 minutes

Answer

C. Skip the feedback session to save time

Answer

D. Change the topic entirely for the next session

Question 4

Which kingdom had matriarchy in South India?‌​‍

Accepted Answer

Chera — Kerala (Chera region) historically followed matrilineal (Marumakkathayam) succession.‌​‍

Answer

Pandya

Answer

Chola

Answer

Pallava

Question 5

Inverted pyramid in journalism:‌​‍

Accepted Answer

Most important info at top; least important at bottom — Originated in telegraph era. ‌​‍Editor can cut from bottom without losing essence. Feature writing uses other structures.

Answer

Chronological

Answer

Narrative

Answer

Reverse

Question 6

Kerala maritime history — Muziris:‌​‍

Accepted Answer

Ancient port near Kodungallur — Roman-era trade port.‌​‍

Answer

Medieval only

Answer

Modern port

Answer

Unknown

Question 7

Veenapoovu of Kumaranasan was first published in:‌​‍

Accepted Answer

Swaraj — Veenapoovu (1907) first published in Mithavadi journal — actually Mithavadi.‌​‍

Answer

Vivekodayam

Answer

Mithavadi

Answer

Malayalee

Question 8

Which of the following enzymes is considered the primary rate-limiting and regulatory step in the glycolysis pathway?

Accepted Answer

B. Phosphofructokinase-1 (PFK-1) — Phosphofructokinase-1 (PFK-1) is the most important regulatory enzyme in glycolysis. It catalyzes the irreversible committed step of converting fructose-6-phosphate to fructose-1,6-bisphosphate. Hexokinase and Pyruvate kinase also catalyze irreversible steps but PFK-1 is the key control point.

Answer

A. Hexokinase

Answer

C. Pyruvate kinase

Answer

D. Glucose-6-phosphatase

Question 9

Who used the adapted motor vehicle dubbed 'Chaitanya Ratham'?‌​‍

Accepted Answer

N.T. Rama Rao — NTR led his political campaign in 'Chaitanya Ratham' bus.‌​‍

Answer

Lalu Prasad Yadav

Answer

L.K. Advani

Answer

M.G. Ramachandran

Question 10

The 'Spice Garden of India' is:‌​‍

Accepted Answer

Kerala — Kerala is the 'Spice Garden of India'.‌​‍

Answer

Tamil Nadu

Answer

Karnataka

Answer

Andhra Pradesh

LGS Mixed Practice Test #218