LGS Mixed Practice Test #188

Question 1

Vitamin K is for:‌​‍

Accepted Answer

Blood clotting — Blood clotting. Source: green leafy vegetables.‌​‍

Answer

Vision

Answer

Energy

Answer

Bone strength

Question 2

Which planet is called the 'Red Planet'?‌​‍

Accepted Answer

Mars — Mars is called the Red Planet due to iron oxide on its surface.‌​‍

Answer

Venus

Answer

Jupiter

Answer

Saturn

Question 3

Acid rain is caused by:‌​‍

Accepted Answer

SO₂ and NO₂ — SO₂ and NO₂ from industrial emissions react with water to form sulphuric and nitric acids → acid rain (pH below 5.6).‌​‍

Answer

CO₂ only

Answer

Ozone

Answer

Methane

Question 4

Kyoto Protocol (1997, effective 2005) set binding targets for:‌​‍

Accepted Answer

Greenhouse gas emissions (developed nations) — Kyoto Protocol: developed countries agreed to ~5% reduction below 1990 levels. ‌​‍USA didn't ratify. Superseded by Paris Agreement 2015.

Answer

Population

Answer

Trade

Answer

Nuclear arms

Question 5

Whose autobiography is known as 'Ente Jeevitha Smaranakal'?

Accepted Answer

K. Kelappan — K. Kelappan's autobiography.

Answer

E.M.S. Namboodiripad

Answer

Vaikom Muhammad Basheer

Answer

Mannathu Padmanabhan

Question 6

Number of teeth in adults:

Accepted Answer

32 — 32 permanent teeth.

Answer

28

Answer

30

Answer

34

Question 7

P. Bhaskaran:‌​‍

Accepted Answer

Film lyricist, director — Neelakuyil director, lyricist.‌​‍

Answer

Actor

Answer

Novelist only

Answer

Politician

Question 8

A key recommendation of the National Education Policy (NEP) 2020 regarding the medium of instruction, especially at the foundational and preparatory stages, is to promote:

Accepted Answer

B. The mother tongue/local language/regional language as the medium of instruction until at least Grade 5, and preferably till Grade 8 and beyond. — NEP 2020 strongly advocates for the use of the mother tongue/local language/regional language as the medium of instruction in schools, particularly up to Grade 5, and ideally extending to Grade 8 and beyond. This approach aims to enhance learning outcomes and foster multilingualism. Options A and C contradict the policy's emphasis on linguistic diversity and local context, while D overlooks the specific policy recommendation.

Answer

A. English as the sole medium of instruction to ensure global competitiveness.

Answer

C. Hindi as the mandatory medium of instruction across all states for national integration.

Answer

D. Any language chosen by the parents, with no specific emphasis on regional languages.

Question 9

Percentage of N in NH₃ (M=17):‌​‍

Accepted Answer

14/17 = 82.35% — %N = (14/17) × 100 ≈ 82.35%. H = 3/17 ≈ 17.65%.‌​‍

Answer

100%

Answer

17%

Answer

14%

Question 10

Airports in India (operational):

Accepted Answer

~150 — Over 150 operational.

Answer

~75

Answer

~200

Answer

500

LGS Mixed Practice Test #188