LGS Mixed Practice Test #402

Question 1

Chronic exposure to which heavy metal can lead to 'Minamata disease,' characterized by severe neurological damage?

Accepted Answer

D. Mercury — Minamata disease is a neurological syndrome caused by severe mercury poisoning, particularly methylmercury, often ingested through contaminated seafood. Lead poisoning (plumbism) causes CNS, GI, and hematological issues. Arsenic affects multiple organ systems, and cadmium toxicity can lead to 'Itai-Itai disease' affecting bones and kidneys.

Answer

A. Lead

Answer

B. Arsenic

Answer

C. Cadmium

Question 2

The largest district in Kerala by area is:‌​‍

Accepted Answer

Idukki — Idukki is the largest district in Kerala by area (~4,479 sq km). ‌​‍It is also home to the Idukki Arch Dam and Anamudi peak.

Answer

Kannur

Answer

Wayanad

Answer

Palakkad

Question 3

Which organ purifies blood in the human body?‌​‍

Accepted Answer

Kidney — Kidneys filter and purify blood, removing waste products and excess water to form urine. ‌​‍Each kidney has about 1 million nephrons.

Answer

Lungs

Answer

Heart

Answer

Liver

Question 4

Computers use the ___ number system to store data and perform calculations.

Accepted Answer

Binary — Computers operate on binary (0s and 1s) at the hardware level.

Answer

Decimal

Answer

Octal

Answer

Hexadecimal

Question 5

Highest mountain Antarctica:

Accepted Answer

Vinson Massif — Vinson Massif.

Answer

Erebus

Answer

Tyree

Answer

Shinn

Question 6

In what language was Chaucer's 'Canterbury Tales' written?‌​‍

Accepted Answer

Middle English — ~1387-1400. ‌​‍Pilgrims' tales on way to Canterbury. Father of English poetry. ‌​‍Old English: Beowulf.

Answer

Old English

Answer

Latin

Answer

Modern English

Question 7

Total bones adult:‌​‍

Accepted Answer

206 — 206 bones.‌​‍

Answer

196

Answer

216

Answer

300

Question 8

Lightest element:‌​‍

Accepted Answer

Hydrogen — Hydrogen (atomic number 1).‌​‍

Answer

Helium

Answer

Lithium

Answer

Carbon

Question 9

During normal inspiration, which of the following physiological changes primarily occurs to facilitate air entry into the lungs?

Accepted Answer

D. The volume of the thoracic cavity increases — During inspiration, the diaphragm contracts and flattens, and the external intercostal muscles contract, expanding the rib cage. This action significantly increases the volume of the thoracic cavity, which in turn decreases the intrapulmonary pressure below atmospheric pressure, causing air to flow into the lungs.

Answer

A. The diaphragm relaxes and moves upward

Answer

B. Intrapulmonary pressure increases above atmospheric pressure

Answer

C. The external intercostal muscles relax

Question 10

The Ezhuthachan Puraskaram is Kerala's highest literary honour, awarded for significant contributions to Malayalam literature. Which of the following statements regarding this award is incorrect?

Accepted Answer

D. M. T. Vasudevan Nair was the first recipient of this award. — The Ezhuthachan Puraskaram is indeed named after Thunchaththu Ezhuthachan and presented by the Kerala Government's Department of Cultural Affairs. The current cash prize is ₹5,00,000. However, the first recipient of this prestigious award in 1993 was Sooranad Kunjan Pillai, not M. T. Vasudevan Nair, who received it in 1995.

Answer

A. It is named after Thunchaththu Ezhuthachan, considered the father of the Malayalam language.

Answer

B. The award is instituted and presented by the Kerala State Government's Department of Cultural Affairs.

Answer

C. The cash prize associated with the award is currently ₹5,00,000.

LGS Mixed Practice Test #402