VFA Mixed Practice Test #341

Question 1

Work done by a conservative force along a closed path is:

Accepted Answer

Zero — Conservative forces (gravity, spring) — W around closed loop = 0, path-independent. Defines potential energy.

Answer

Positive

Answer

Negative

Answer

Depends on path

Question 2

Mendeleev's periodic table arranged elements by:‌​‍

Accepted Answer

Atomic mass — Mendeleev (1869) used atomic mass; Moseley later switched to atomic number.‌​‍

Answer

Atomic number

Answer

Electronegativity

Answer

Atomic radius

Question 3

UPI (Unified Payments Interface) in India was launched by:‌​‍

Accepted Answer

NPCI — National Payments Corporation of India (NPCI) launched UPI in April 2016.‌​‍

Answer

RBI

Answer

SEBI

Answer

IRDAI

Question 4

The six categories of Fundamental Rights are: Equality, Freedom, Against Exploitation, Freedom of Religion, Cultural/Educational, and:‌​‍

Accepted Answer

Constitutional Remedies — Right to Constitutional Remedies (Article 32) — called 'heart and soul' of Constitution by Ambedkar. ‌​‍Right to Property was a Fundamental Right until 1978.

Answer

Privacy

Answer

Property

Answer

Life

Question 5

IIM Kozhikode:

Accepted Answer

1996 — IIM-K established 1996.

Answer

2000

Answer

1990

Answer

2005

Question 6

Newton's Third Law of Motion states that:‌​‍

Accepted Answer

For every action there is an equal and opposite reaction — Action-reaction pairs act on different bodies with equal magnitude, opposite direction.‌​‍

Answer

Force is always positive

Answer

Inertia is proportional to mass

Answer

Momentum is conserved

Question 7

Chemical formula of water:‌​‍

Accepted Answer

H₂O — H₂O.‌​‍

Answer

HO

Answer

H₂O₂

Answer

OH

Question 8

C₄ pathway (Hatch-Slack) first forms:

Accepted Answer

4-C oxaloacetic acid — In mesophyll (via PEP carboxylase), then transported to bundle sheath for Calvin cycle. Reduces photorespiration. e.g., sugarcane, maize, sorghum.

Answer

3-PGA

Answer

Pyruvate

Answer

Glucose

Question 9

Kerala's Gulf migration peak:‌​‍

Accepted Answer

1970s-80s — Oil boom of 1970s drove migration.‌​‍

Answer

2000s

Answer

1990s

Answer

2010s

Question 10

Under the National Health Policy 2017, what is the recommended target for the reduction of premature mortality from cardiovascular diseases, cancer, diabetes, or chronic respiratory diseases by 2025?

Accepted Answer

D. 30% reduction — The National Health Policy 2017 sets a target to reduce premature mortality from major NCDs by 25% by 2025, though some documents cite a 30% reduction as an aspirational goal. Option A (10%) and B (15%) are too low, while Option C (25%) is the officially stated target. The question focuses on the policy's measurable outcome for NCDs.

Answer

A. 10% reduction

Answer

B. 15% reduction

Answer

C. 25% reduction

VFA Mixed Practice Test #341