HSA Mixed Practice Test #600

Question 1

The enzyme that helps in protein digestion in humans:‌​‍

Accepted Answer

Trypsin — Trypsin (pancreatic enzyme) breaks proteins into peptides.‌​‍

Answer

Lipase

Answer

Maltase

Answer

Sucrase

Question 2

Idukki dam height:

Accepted Answer

168m — 168 m — 2nd largest arch dam in Asia.

Answer

200m

Answer

150m

Answer

100m

Question 3

Which district is known as the 'Rice Bowl of Kerala'?‌​‍

Accepted Answer

Palakkad — Palakkad is called the Rice Bowl of Kerala as it produces a large share of the state's rice through the Palakkad Gap.‌​‍

Answer

Thrissur

Answer

Alappuzha

Answer

Kottayam

Question 4

Peppara Wildlife Sanctuary is near which city?‌​‍

Accepted Answer

Thiruvananthapuram — Peppara Wildlife Sanctuary is about 50 km from Thiruvananthapuram and is a source of drinking water for the city.‌​‍

Answer

Thrissur

Answer

Kochi

Answer

Kollam

Question 5

The valency of an element is determined by the number of:‌​‍

Accepted Answer

Electrons in the outermost (valence) shell — Valency reflects electrons gained/lost/shared from the outermost shell.‌​‍

Answer

Protons

Answer

Total electrons

Answer

Neutrons

Question 6

Which of the following was the primary reason for the Travancore-Kochi merger in 1949 that led to the formation of the Travancore-Cochin State?

Accepted Answer

A. Economic integration to address post-independence financial challenges — The merger of Travancore and Cochin in 1949 was primarily driven by economic integration to address financial instability and administrative efficiency in the post-independence period. Option B is incorrect as the British had already left India by 1949. Option C refers to a later period (1956), and Option D pertains to the formation of Kerala State, not the initial merger.

Answer

B. Political pressure from the British to consolidate princely states

Answer

C. The recommendations of the States Reorganisation Commission (1956)

Answer

D. The demand for linguistic reorganization based on Malayalam-speaking regions

Question 7

5G refers to:‌​‍

Accepted Answer

5th generation mobile network — 5G = 5th generation of mobile network technology, offering faster speeds and lower latency.‌​‍

Answer

5 gigabyte storage

Answer

5th Google product

Answer

5th GPS satellite

Question 8

The Hijra (migration from Mecca to Medina) year 1 corresponds to:‌​‍

Accepted Answer

622 CE — 622 CE — when Muhammad and early Muslims migrated from Mecca to Medina. ‌​‍Start of Islamic (Hijri) calendar.

Answer

632 CE

Answer

610 CE

Answer

570 CE

Question 9

A rapidly developing urban area in Kerala is grappling with escalating levels of air pollution, primarily from vehicular emissions and industrial activities, leading to public health concerns and environmental degradation. Which of the following integrated strategies would be most effective and sustainable for long-term air quality improvement?

Accepted Answer

C. Promoting significant investment in electric vehicle infrastructure and public transport, enforcing stringent emission standards for both vehicles and industries, and facilitating the transition to cleaner energy sources. — Option C offers the most comprehensive and sustainable long-term solution by addressing the root causes of air pollution through technological advancements (electric vehicles, cleaner energy), infrastructure development (public transport), and robust regulatory enforcement. Option A is a partial and temporary measure, and relocating industries only shifts the problem. Option B treats symptoms rather than causes and is neither sustainable nor cost-effective. Option D is crucial for public health but does not directly mitigate the sources of pollution.

Answer

A. Implementing a strict 'odd-even' road rationing scheme for private vehicles and relocating all major polluting industries to designated industrial zones outside the city limits.

Answer

B. Focusing exclusively on establishing large-scale air purification towers in public spaces and providing free respiratory masks to all residents.

Answer

D. Initiating mass awareness campaigns on the health impacts of air pollution and establishing more health clinics to treat pollution-related illnesses.

Question 10

Who wrote the play 'Adukkalayil Ninnu Arangathekku'?

Accepted Answer

V.T. Bhattathiripad — V.T. Bhattathiripad's reformist play (1929) — 'From the Kitchen to the Stage'.

Answer

Swami Vivekananda

Answer

Poikayil Yohannan

Answer

Ezhuthachan

HSA Mixed Practice Test #600