Plus 2 Lecturer Mixed Practice Test #566

Question 1

The Sun appears reddish at sunrise/sunset because:‌​‍

Accepted Answer

Longer path through atmosphere scatters away blue; only red passes — At low angles, sunlight traverses more atmosphere → blue scattered away → red/orange dominates.‌​‍

Answer

Earth rotates faster

Answer

Atmospheric refraction

Answer

Sun changes colour

Question 2

The Nazi secret police force was called the:‌​‍

Accepted Answer

Gestapo — Gestapo (Geheime Staatspolizei) gathered intelligence and suppressed opposition.‌​‍

Answer

Einsatzgruppen

Answer

SS

Answer

SA

Question 3

Stefan-Boltzmann law: power radiated per unit area by black body is:‌​‍

Accepted Answer

σT⁴ — P/A = σT⁴. σ = 5.67 × 10⁻⁸ W/m²K⁴.‌​‍

Answer

σT²

Answer

σT

Answer

σT³

Question 4

The slope of a line parallel to x-axis is:

Accepted Answer

0 — Horizontal line has zero slope; vertical line has undefined slope.

Answer

1

Answer

Undefined

Answer

Infinity

Question 5

What was India's peak foreign exchange reserves in 2024?‌​‍

Accepted Answer

$700+ B — Crossed $700 billion.‌​‍

Answer

$800 B

Answer

$600 B

Answer

$500 B

Question 6

Part of speech of 'beautifully' in 'She sings beautifully':‌​‍

Accepted Answer

Adverb — Modifies the verb 'sings' → adverb of manner.‌​‍

Answer

Adjective

Answer

Noun

Answer

Verb

Question 7

If CAT = 24, DOG = ?

Accepted Answer

26 — C(3)+A(1)+T(20)=24. D(4)+O(15)+G(7)=26.

Answer

24

Answer

25

Answer

27

Question 8

When you accidentally touch a hot stove, your hand quickly recoils before you even consciously register the pain. This rapid, involuntary action is mediated by a reflex arc. Which part of the nervous system is NOT directly involved in the immediate effector response of a simple reflex arc?

Accepted Answer

D. Cerebrum — A typical reflex arc involves a sensory neuron (detects stimulus), an interneuron (processes in the spinal cord), and a motor neuron (activates muscle). The cerebrum is responsible for conscious thought, perception, and voluntary actions, which occur after or parallel to the immediate reflex action, not as part of its direct pathway.

Answer

A. Sensory neuron

Answer

B. Motor neuron

Answer

C. Interneuron

Question 9

Foreign Direct Investment (FDI) vs FPI:‌​‍

Accepted Answer

FDI: long-term, control; FPI: portfolio, short-term investment — FDI creates lasting interest (10%+ voting shares). ‌​‍FPI is financial investment in securities. Both need regulatory compliance.

Answer

FDI only bonds

Answer

Same

Answer

FPI only stocks

Question 10

Kerala New Year:

Accepted Answer

Vishu — Vishu — Malayalam New Year (Medam 1).

Answer

Onam

Answer

Kerala Piravi

Answer

Pongal

Plus 2 Lecturer Mixed Practice Test #566