HSA Mixed Practice Test #656

Question 1

Ordinance must be approved within:‌​‍

Accepted Answer

6 weeks — 6 weeks of Parliament reassembling.‌​‍

Answer

3 months

Answer

3 weeks

Answer

6 months

Question 2

Which of the following soil types is predominantly found in the laterite regions of Kerala and is characterized by its red color due to iron oxide accumulation?

Accepted Answer

C. Laterite soil — Laterite soil is formed due to intense leaching in high rainfall and temperature conditions, leading to the accumulation of iron and aluminum oxides, which gives it a distinct red color. Alluvial soil is found in river basins, black soil is typical of Deccan regions, and red loamy soil is less common in Kerala's lateritic zones.

Answer

A. Alluvial soil

Answer

B. Black soil

Answer

D. Red loamy soil

Question 3

The Anti-Terrorist Act POTA was enacted in:‌​‍

Accepted Answer

2002 (POTA) — POTA (Prevention of Terrorism Act, 2002) under Vajpayee. ‌​‍Repealed 2004 by UPA. UAPA amendments (2008, 2019) now the main anti-terror law.

Answer

2019

Answer

1987 (TADA)

Answer

2008

Question 4

Aluminum hydroxide and Magnesium hydroxide are common ingredients in antacids. What is their primary mechanism of action?

Accepted Answer

B. They neutralize excess stomach acid by acting as weak bases. — Aluminum hydroxide and Magnesium hydroxide are inorganic salts that act as weak bases. Their primary mechanism of action as antacids is to chemically neutralize excess hydrochloric acid in the stomach, forming water and a salt, thereby raising the gastric pH. They do not inhibit proton pumps (like PPIs), form a protective barrier (like sucralfate), or increase mucus production.

Answer

A. They directly inhibit proton pump activity in gastric parietal cells.

Answer

C. They form a protective barrier over the gastric mucosa.

Answer

D. They increase the production of gastric mucus.

Question 5

Withdrawal of protoplasm from the cell wall due to exosmosis is called:‌​‍

Accepted Answer

Plasmolysis — Plasmolysis = shrinking of protoplasm in hypertonic solution.‌​‍

Answer

Pinocytosis

Answer

Diffusion

Answer

Cyclosis

Question 6

Section 377 read down in:

Accepted Answer

2018 — Navtej Johar v UoI (2018) — decriminalised homosexuality.

Answer

2013

Answer

2016

Answer

2020

Question 7

UNESCO World Heritage Natural site in India:‌​‍

Accepted Answer

Kaziranga NP, Manas, Nanda Devi, Sundarbans, Western Ghats, Great Himalayan NP, Khangchendzonga — Taj is cultural site. India has 40+ WHS (cultural + natural + mixed).‌​‍

Answer

Only monuments

Answer

Taj Mahal

Answer

Red Fort

Question 8

Persistence of vision (~0.1 s) is the principle behind:‌​‍

Accepted Answer

Moving pictures/movies — The eye retains an image for ~0.1 s; 24+ frames per second blend into smooth motion.‌​‍

Answer

Loudspeakers

Answer

Radios

Answer

Thermometers

Question 9

Synonym of SARDONIC:

Accepted Answer

Sarcastic — Mocking.

Answer

Sweet

Answer

Kind

Answer

Sincere

Question 10

Capacitance of parallel plate capacitor:

Accepted Answer

C = ε₀A/d — With dielectric K: C = Kε₀A/d. Units Farad. Energy stored: ½CV².

Answer

C = ε₀d/A

Answer

C = A/d

Answer

C = 1/ε₀

HSA Mixed Practice Test #656