HSA Mixed Practice Test #719

Question 1

Beats frequency between two waves of frequencies 256 Hz and 260 Hz is:‌​‍

Accepted Answer

4 Hz — Beat frequency = |f1 - f2| = 4 Hz. Audible if beats <~10 Hz.‌​‍

Answer

2 Hz

Answer

0

Answer

516 Hz

Question 2

Which article of the Constitution pertains to Financial Emergency?‌​‍

Accepted Answer

360 — Article 360 — never invoked.

Answer

352

Answer

356

Answer

365

Question 3

The only Keralite whose birthday and death anniversary are observed as holidays is:

Accepted Answer

Sree Narayana Guru — Chathayam (birthday) and Samadhi day of Sree Narayana Guru are both Kerala public holidays.

Answer

Kuriakose Elias Chavara

Answer

Poykayil Yohannan

Answer

Brahmananda Swami Sivayogi

Question 4

Dhupgarh is highest in:‌​‍

Accepted Answer

Satpura — Satpura's highest.‌​‍

Answer

Ghats

Answer

Aravalli

Answer

Vindhya

Question 5

C-295 aircraft:‌​‍

Accepted Answer

Transport — Tata-Airbus — Medium transport built in Vadodara.‌​‍

Answer

UAV

Answer

Helicopter

Answer

Fighter

Question 6

Chinese fishing nets origin:

Accepted Answer

Chinese traders 14th century — Kublai Khan era Chinese.

Answer

Portuguese

Answer

Dutch

Answer

Indian origin

Question 7

Oxygenated blood from lungs enters:‌​‍

Accepted Answer

Left atrium — Pulmonary veins → left atrium.‌​‍

Answer

Right ventricle

Answer

Right atrium

Answer

Left ventricle

Question 8

Colour blindness is:‌​‍

Accepted Answer

X-linked recessive — more common in males — Red-green (most common). ‌​‍Males (XY): one X = affected if recessive. Females: carriers unless homozygous.

Answer

Autosomal dominant

Answer

Mitochondrial

Answer

Y-linked

Question 9

Who led the anti-colonial tribal revolt of 1812 in the jungles of Wayanad?‌​‍

Accepted Answer

Raman Namby — Raman Namby (Raman Nambi) led the 1812 Kurichiya–Kurumba revolt in Wayanad (per PSC official key).‌​‍

Answer

Pazhassi Raja

Answer

Edachana Kunkan

Answer

Thalakkal Chandu

Question 10

The formation of the United State of Travancore and Cochin on July 1, 1949, was a pivotal moment in the administrative history of Kerala. Which of the following accurately describes a key constitutional arrangement immediately implemented with this merger?

Accepted Answer

C. The Maharaja of Travancore assumed the position of Rajpramukh, symbolizing the integration of the two princely states. — The United State of Travancore and Cochin was formed on July 1, 1949, through the merger of the two princely states. As per the Instrument of Accession and subsequent agreements, the Maharaja of Travancore, Chithira Thirunal Balarama Varma, was appointed as the Rajpramukh (constitutional head) of the new state. This arrangement symbolized the integration of the two states under a unified ceremonial head, while the executive power rested with an elected ministry.

Answer

A. The Maharaja of Cochin was designated as the constitutional head (Rajpramukh) of the newly formed state.

Answer

B. A fully elected legislative assembly, based on universal adult franchise, was established to govern the new state.

Answer

D. Both Travancore and Cochin retained separate high courts, with a federal court resolving inter-state disputes.

HSA Mixed Practice Test #719