LGS Mixed Practice Test #453

Question 1

Which type of memory is RAM?‌​‍

Accepted Answer

Volatile memory — RAM (Random Access Memory) is volatile — it loses all data when the computer is turned off. ‌​‍ROM is non-volatile.

Answer

Permanent memory

Answer

Read-only memory

Answer

Optical memory

Question 2

A child receives a vaccine against measles. This type of immunity, where the body actively produces antibodies after exposure to an antigen (either naturally or through vaccination), is known as:

Accepted Answer

D. Active artificial immunity — Active artificial immunity is acquired when the body's immune system is stimulated to produce its own antibodies after exposure to an antigen through vaccination. The vaccine introduces a weakened or inactivated form of the pathogen, prompting the immune response without causing the disease. Passive immunity involves receiving pre-formed antibodies.

Answer

A. Passive natural immunity

Answer

B. Active natural immunity

Answer

C. Passive artificial immunity

Question 3

A Headmaster of a government primary school in Kerala needs to process the appointment of a new qualified teacher and secure funds for the urgent maintenance of school buildings. Which state-level body is the primary administrative authority for approving such personnel matters and sanctioning routine school maintenance grants?

Accepted Answer

C. Directorate of Public Instruction (DPI) — The Directorate of Public Instruction (DPI) is the apex administrative body for school education in Kerala, responsible for teacher appointments, transfers, financial management, and overall administration of government schools. SCERT focuses on academic aspects, and SSA on specific project-based interventions for universal education. While the Department of General Education (DGE) is the overarching department, DPI is the operational administrative authority for these specific functions at the school level.

Answer

A. State Council of Educational Research and Training (SCERT)

Answer

B. Sarva Shiksha Abhiyan (SSA)

Answer

D. Department of General Education (DGE)

Question 4

What is Pulluvan Paattu?‌​‍

Accepted Answer

Serpent worship songs — Serpent songs.‌​‍

Answer

Folk

Answer

Royal

Answer

Religious

Question 5

Christopher Columbus reached the Americas in:

Accepted Answer

1492 — Columbus landed in Caribbean (Bahamas) on 12 October 1492 under Spanish flag. Mistakenly thought he reached India. Triggered European colonisation of Americas.

Answer

1453

Answer

1498

Answer

1522

Question 6

Champakulam Moolam is the:‌​‍

Accepted Answer

Oldest snake boat race — Oldest snake boat race in Kerala.‌​‍

Answer

Newest race

Answer

Women's race

Answer

Children's race

Question 7

Lyman series (hydrogen) transitions end at:‌​‍

Accepted Answer

n=1 (UV) — Balmer (n=2, visible), Paschen (n=3), Brackett (n=4), Pfund (n=5). ‌​‍All in IR except Lyman and Balmer.

Answer

n=3 (IR)

Answer

n=2 (visible)

Answer

n=4

Question 8

Chloroplasts contain:

Accepted Answer

Chlorophyll, thylakoids, stroma, own DNA — Site of photosynthesis. Grana (stacks of thylakoids). Endosymbiotic origin from cyanobacteria.

Answer

Only chlorophyll

Answer

Only starch

Answer

Only water

Question 9

Which two Kerala visual arts are on the UNESCO Intangible Heritage list?‌​‍

Accepted Answer

Koodiyattam and Mudiyettu — Koodiyattam (2001) and Mudiyettu (2010) are inscribed on the UNESCO list.‌​‍

Answer

Koodiyattam and Padayani

Answer

Kathakali and Ottamthullal

Answer

Theyyam and Koodiyattam

Question 10

Which is the biggest soil museum in the world?‌​‍

Accepted Answer

Central Soil Analytical Lab Thiruvananthapuram — India's first/largest Soil Museum at Parottukonam, Thiruvananthapuram.‌​‍

Answer

Central Soil Analytical Lab Ernakulam

Answer

Central Soil Analytical Lab Chennai

Answer

Central Soil Analytical Lab Nagpur

LGS Mixed Practice Test #453