LGS Mixed Practice Test #479

Question 1

International Court of Justice (ICJ) is:‌​‍

Accepted Answer

Principal judicial organ of UN, in The Hague — ICJ (World Court) founded 1945. ‌​‍15 judges elected by UNGA + UNSC for 9 years. India's Dalveer Bhandari currently (2024) on ICJ.

Answer

Private court

Answer

Private dispute resolution

Answer

US court

Question 2

A mixture of iron filings and sulphur powder can be separated by:‌​‍

Accepted Answer

Magnetic separation (for iron) — Iron filings attracted by magnet; sulphur left behind.‌​‍

Answer

Distillation

Answer

Decantation

Answer

Filtration

Question 3

The green pigment in plants is:‌​‍

Accepted Answer

Chlorophyll — Chlorophyll absorbs sunlight (mainly red and blue) and reflects green — making plants look green.‌​‍

Answer

Haemoglobin

Answer

Melanin

Answer

Carotene

Question 4

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 5

The functional unit of the kidney responsible for filtering blood and forming urine is the:

Accepted Answer

B. Nephron — The nephron is the microscopic functional unit of the kidney, consisting of a renal corpuscle (which includes the glomerulus) and a renal tubule, responsible for filtering blood, reabsorbing useful substances, and excreting waste to form urine. The ureter transports urine, the glomerulus is part of the nephron, and the renal pelvis collects urine before it enters the ureter.

Answer

A. Ureter

Answer

C. Glomerulus

Answer

D. Renal pelvis

Question 6

One who can use both hands equally well is:

Accepted Answer

Ambidextrous — Ambidextrous = equally skilled with both hands.

Answer

Bilingual

Answer

Agnostic

Answer

Amphibious

Question 7

The 'Swayam' initiative of the Kerala Education Department is primarily associated with which of the following objectives?

Accepted Answer

B. Offering online courses and skill development programmes — 'Swayam' is an online platform launched to provide free, self-paced learning courses in various subjects, including skill development. The other options are unrelated to 'Swayam' but are initiatives under different schemes like 'She Pad' or mid-day meal programmes.

Answer

A. Providing free sanitary napkins to girl students

Answer

C. Promoting eco-friendly practices in schools

Answer

D. Ensuring mid-day meals for all government school students

Question 8

Which of the following correctly lists the five generations of computers?‌​‍

Accepted Answer

1st (vacuum tubes), 2nd (transistors), 3rd (ICs), 4th (microprocessors), 5th (AI) — 1940s onwards. ‌​‍ENIAC (1946) 1st gen. Modern PCs — 4th gen. ‌​‍5th gen AI and parallel processing in progress.

Answer

Ten

Answer

Three

Answer

Four

Question 9

Which of the following best describes the Hoffmann bromamide reaction?‌​‍

Accepted Answer

Amide → amine with one less carbon (Br₂ + NaOH) — RCONH₂ → RNH₂. Degradation for primary amine synthesis.‌​‍

Answer

Amide to alcohol

Answer

Amide to ketone

Answer

Amide to ester

Question 10

'___ rose is the loveliest of all flowers.'

Accepted Answer

The — Definite article 'The' before a noun used as representative of a class.

Answer

A

Answer

An

Answer

None

LGS Mixed Practice Test #479