HSA Mixed Practice Test #309

Question 1

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 Superseded by Paris Agreement 2015.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 2

Mandal Commission (1980):‌​‍

Accepted Answer

Recommended 27% reservation for OBCs in central government — Implemented by V.P. ‌​‍Singh (1990). Indra Sawhney case (1992): SC upheld, introduced 'creamy layer' exclusion.

Answer

Identified SCs

Answer

Partition

Answer

Anti-Sikh

Question 3

The SI unit of acceleration is:

Accepted Answer

m/s² — Acceleration = change in velocity / time; SI unit is m/s².

Answer

m/s

Answer

km/h

Answer

N/kg

Question 4

The property of matter by which it resists change in state of rest or uniform motion is:‌​‍

Accepted Answer

Inertia — Inertia is quantified by mass; more mass = more inertia.‌​‍

Answer

Velocity

Answer

Momentum

Answer

Force

Question 5

A regional planner is tasked with identifying areas most susceptible to severe flooding during monsoon seasons in Kerala, while also considering regions prone to significant soil erosion and landslides. Which two physiographic regions would likely be prioritized for flood mitigation and landslide prevention measures, respectively?

Accepted Answer

C. Lowland for flooding, Highland for landslides. — The Lowland region, being flat, low-lying, and crisscrossed by numerous rivers and backwaters, is highly vulnerable to severe flooding, especially during heavy monsoons. In contrast, the Highland region, with its steep slopes, high rainfall, and often fragile geological formations, is most susceptible to significant soil erosion and landslides, necessitating targeted prevention measures. Midland and Coastal Plain have varying degrees of these issues but are not the primary zones for the 'most susceptible' criteria as described.

Answer

A. Midland for flooding, Lowland for landslides.

Answer

B. Highland for flooding, Coastal Plain for landslides.

Answer

D. Coastal Plain for flooding, Midland for landslides.

Question 6

Power dissipated in a resistor is:‌​‍

Accepted Answer

All of the above are equivalent — Using Ohm's law V=IR, all three expressions give the same power.‌​‍

Answer

I²R

Answer

V²/R

Answer

V × I

Question 7

The Chairman of the Constituent Assembly of India:

Accepted Answer

Dr. Rajendra Prasad — Dr. Rajendra Prasad was permanent president of the Constituent Assembly.

Answer

Dr. B.R. Ambedkar

Answer

Dr. S. Radhakrishnan

Answer

Nehru

Question 8

Black soil is suitable for which crop?

Accepted Answer

Cotton — Black (Regur) soil — ideal for cotton due to high moisture-retention.

Answer

Tea

Answer

Vegetables

Answer

Fruits

Question 9

Newton's Second Law of Motion states that force equals:‌​‍

Accepted Answer

mass × acceleration — F = ma; net force = rate of change of momentum.‌​‍

Answer

mass × velocity

Answer

weight × time

Answer

mass × displacement

Question 10

Kerala's 'Public Education Rejuvenation Mission' (Pothuvidyabhyasa Samrakshana Yagnam) was launched with a vision to transform public education. Which of the following was a key strategy adopted under this mission to achieve its objectives?

Accepted Answer

C. Implementing 'Hi-Tech' classroom projects with advanced digital learning tools. — The Public Education Rejuvenation Mission heavily emphasized modernizing public school infrastructure and teaching methods, with 'Hi-Tech' classrooms being a prominent initiative. Options A and B contradict the mission's goals of strengthening public education and making it accessible, while D is an overstatement of the administrative shift.

Answer

A. Reducing the number of public schools to consolidate resources.

Answer

B. Introducing a mandatory fee structure for all public school students.

Answer

D. Shifting complete administrative control of public schools to local self-governments.

HSA Mixed Practice Test #309