Plus 2 Lecturer Mixed Practice Test #193

Question 1

Palakkad is called the 'Granary of Kerala' because of:‌​‍

Accepted Answer

Rice/paddy cultivation — Palakkad has the largest paddy cultivation area in Kerala, enabled by the Palakkad Gap's plains.‌​‍

Answer

Spice cultivation

Answer

Rubber cultivation

Answer

Tea cultivation

Question 2

The general formula of cycloalkanes is:‌​‍

Accepted Answer

CₙH₂ₙ — Cycloalkanes share formula with alkenes: CₙH₂ₙ (e.g., cyclohexane C₆H₁₂).‌​‍

Answer

CₙH₂ₙ₋₂

Answer

CₙHₙ

Answer

CₙH₂ₙ₊₂

Question 3

First human in space was:‌​‍

Accepted Answer

Yuri Gagarin (USSR, 12 April 1961) — Yuri Gagarin orbited Earth aboard Vostok 1 — 108-minute flight. ‌​‍April 12 celebrated as International Day of Human Spaceflight.

Answer

Neil Armstrong

Answer

Alan Shepard

Answer

John Glenn

Question 4

An adolescent is known for making impulsive decisions and engaging in risky behaviors without fully considering the long-term consequences. From a neurodevelopmental perspective, this tendency is often attributed to the continued maturation of which part of the brain during adolescence?

Accepted Answer

C. Prefrontal cortex — The prefrontal cortex, responsible for executive functions like planning, impulse control, and risk assessment, undergoes significant maturation throughout adolescence, making teenagers more prone to impulsive and risky behaviors before it is fully developed. While the amygdala is involved in emotions, its *full maturation* is not the primary reason for this characteristic impulsivity.

Answer

A. Cerebellum

Answer

B. Brainstem

Answer

D. Amygdala (fully mature)

Question 5

Taj Mahal damage — main pollutant:‌​‍

Accepted Answer

SO₂ (acid rain from Mathura refinery) — SO₂ + H₂O → H₂SO₄ → damages marble (CaCO₃). ‌​‍'Marble cancer'. TTZ (Taj Trapezium Zone) restrictions.

Answer

O₃

Answer

NO₂

Answer

CO

Question 6

Functional group -CHO is:‌​‍

Accepted Answer

Aldehyde — R-CHO. ‌​‍Named -al (e.g., methanal = HCHO, ethanal = CH₃CHO). Ketones R-CO-R' (-one).

Answer

Ketone

Answer

Alcohol

Answer

Ester

Question 7

Sugathakumari known for:‌​‍

Accepted Answer

Poetry, environmentalism — Poet and environmental activist.‌​‍

Answer

Fiction

Answer

Politics

Answer

Cinema

Question 8

Transpiration occurs in:‌​‍

Accepted Answer

Leaves — Water loss through stomata on leaves.‌​‍

Answer

Roots

Answer

Stem

Answer

Flowers

Question 9

Synonym of INNATE:‌​‍

Accepted Answer

Inborn — Existing from birth.‌​‍

Answer

Learned

Answer

External

Answer

Acquired

Question 10

Under the Right to Education (RTE) Act, what is the minimum age at which children in Kerala are entitled to free and compulsory education?

Accepted Answer

C. 5 years — The RTE Act mandates free and compulsory education for children aged 6 to 14 years. Kerala follows this provision, with Class 1 enrollment starting at 5 years (LKG/UKG not covered under RTE). Option C (5 years) is incorrect because the Act specifically covers the age group 6-14.

Answer

A. 3 years

Answer

B. 6 years

Answer

D. 4 years

Plus 2 Lecturer Mixed Practice Test #193