VFA Mixed Practice Test #527

Question 1

Aikya Kerala movement culminated on which date with Kerala's formation?‌​‍

Accepted Answer

1 November 1956 — Kerala State came into existence on 1 November 1956 under States Reorganisation Act.‌​‍

Answer

26 January 1950

Answer

1 July 1949

Answer

15 August 1947

Question 2

When resistors are connected in series, the total resistance is:‌​‍

Accepted Answer

Sum of resistances — Series: R = R₁ + R₂ + R₃ + … (same current through each).‌​‍

Answer

Reciprocal of sum

Answer

Average

Answer

Product over sum

Question 3

When introducing a complex abstract concept in mathematics, such as 'calculus limits', which type of teaching aid would be most effective in helping students grasp the underlying principles through visualization and manipulation, rather than just theoretical explanation?

Accepted Answer

A. Interactive simulations or dynamic geometry software (e.g., GeoGebra) — Interactive simulations and dynamic geometry software allow students to visualize the abstract concepts of calculus limits, manipulate variables, and observe immediate graphical changes, leading to a deeper conceptual understanding. While other options provide information, they lack the hands-on, exploratory, and dynamic visualization capabilities crucial for demystifying complex abstract mathematical concepts.

Answer

B. Detailed textbook explanations and solved examples

Answer

C. Traditional whiteboard explanations with static diagrams

Answer

D. Video lectures by an expert mathematician

Question 4

XX chromosomes:‌​‍

Accepted Answer

Female — Female = XX. Male = XY.‌​‍

Answer

Male

Answer

Neither

Answer

Both

Question 5

The Russo-Japanese War (1904-05) was won by:‌​‍

Accepted Answer

Japan (first major Asian victory over European power) — Japan's victory stunned Europe; encouraged Asian nationalism. ‌​‍Treaty of Portsmouth (1905) negotiated by US president Theodore Roosevelt.

Answer

Draw

Answer

Russia

Answer

China

Question 6

Parambikulam Tiger Reserve is in:‌​‍

Accepted Answer

Palakkad — Parambikulam Tiger Reserve is in Palakkad district, known for teak plantations and wildlife.‌​‍

Answer

Idukki

Answer

Thrissur

Answer

Wayanad

Question 7

What is the ideal temperature range that must be maintained for vaccines stored in an Ice-Lined Refrigerator (ILR) under the Universal Immunization Programme (UIP)?

Accepted Answer

D. +2°C to +8°C — The Universal Immunization Programme (UIP) mandates that vaccines must be stored within a strict temperature range of +2°C to +8°C to maintain their potency and effectiveness. Temperatures below +2°C can lead to freezing, which damages many vaccines, while temperatures above +8°C can reduce vaccine efficacy over time. Therefore, +2°C to +8°C is the ideal range for safe storage.

Answer

A. -2°C to +2°C

Answer

B. +8°C to +12°C

Answer

C. 0°C to +4°C

Question 8

Suez Canal length:‌​‍

Accepted Answer

193 km — Approximately 193 km.‌​‍

Answer

100 km

Answer

300 km

Answer

500 km

Question 9

Chemical formula of water:

Accepted Answer

H₂O — H₂O.

Answer

H₂O₂

Answer

HO

Answer

H₃O

Question 10

Largest cell in human body:‌​‍

Accepted Answer

Ovum (egg cell) — Ovum is the largest cell (~0.1 mm).‌​‍

Answer

WBC

Answer

Nerve cell

Answer

RBC

VFA Mixed Practice Test #527