VFA Mixed Practice Test #555

Question 1

Compton effect demonstrates:‌​‍

Accepted Answer

Photon's particle nature (elastic scattering) — X-ray scattering from electrons; wavelength increases (energy drops). ‌​‍Nobel 1927.

Answer

Polarization

Answer

Diffraction

Answer

Wave nature

Question 2

'Kothikkallu' refers to:

Accepted Answer

Boundary stones between Kochi and Travancore kingdoms — Ko-thi = Kochi+Thiruvithamkoor; stones marked the erstwhile kingdom boundary.

Answer

Ancient script carvings

Answer

Temple foundations

Answer

Memorial pillars

Question 3

The primary function of the epiglottis during swallowing is to:

Accepted Answer

B. Prevent food from entering the trachea. — The epiglottis is a flap of cartilage located at the root of the tongue that closes over the opening of the larynx (trachea) during swallowing, preventing food and liquids from entering the respiratory tract. It does not primarily direct food into the esophagus (that's the pharynx's role), initiate the gag reflex, or facilitate air passage during swallowing.

Answer

A. Direct food into the esophagus.

Answer

C. Initiate the gag reflex.

Answer

D. Facilitate air passage into the larynx.

Question 4

The velocity of sound is highest in:‌​‍

Accepted Answer

solid — Sound travels fastest in solids due to closely packed particles. ‌​‍In vacuum, sound cannot travel.

Answer

gas

Answer

liquid

Answer

vacuum

Question 5

The Sree Narayana Dharma Paripalana (SNDP) Yogam was founded in 1903 by:

Accepted Answer

Dr. Padmanabhan Palpu and Kumaran Asan with Narayana Guru as patron — Dr. Palpu initiated the SNDP Yogam in 1903 with Kumaran Asan as first secretary and Narayana Guru as patron.

Answer

Sree Narayana Guru personally alone

Answer

Ayyankali

Answer

Chattambi Swamikal

Question 6

Atmanirbhar Bharat Abhiyan was announced in:‌​‍

Accepted Answer

May 2020 — PM Modi announced Atmanirbhar Bharat Abhiyan (Self-Reliant India) on 12 May 2020 with a Rs 20 lakh crore package.‌​‍

Answer

January 2021

Answer

March 2020

Answer

August 2020

Question 7

Latent heat of fusion of ice at 0°C is approximately:

Accepted Answer

80 cal/g (334 J/g) — Fusion: 80 cal/g. Vaporisation of water at 100°C: 540 cal/g (2260 J/g).

Answer

540 cal/g

Answer

100 cal/g

Answer

1 cal/g

Question 8

The basic structural and functional unit of life is:‌​‍

Accepted Answer

Cell — Cells are the smallest units of life; discovered by Robert Hooke (1665).‌​‍

Answer

Organelle

Answer

Tissue

Answer

Organ

Question 9

Unlike Spearman's Two-Factor theory, which posits a single overarching general intelligence (g-factor) influencing all cognitive tasks, Howard Gardner's theory of Multiple Intelligences emphasizes:

Accepted Answer

B. The existence of several independent intelligences, each with its unique neurological basis. — Howard Gardner's theory of Multiple Intelligences directly contrasts with unitary theories like Spearman's by proposing that intelligence is not a single entity but rather a collection of distinct, independent abilities. Each intelligence, according to Gardner, operates relatively autonomously and has its own developmental trajectory and neurological basis. This offers a broader view of human potential beyond traditional academic measures.

Answer

A. The importance of emotional intelligence in academic success.

Answer

C. The role of practical intelligence in adapting to real-world situations.

Answer

D. The hierarchical organization of cognitive abilities.

Question 10

Republic Day 2025 chief guest:‌​‍

Accepted Answer

Prabowo Subianto — Indonesian President.‌​‍

Answer

None

Answer

Obama

Answer

Merkel

VFA Mixed Practice Test #555