HSA Mixed Practice Test #190

Question 1

Bose disappeared in:‌​‍

Accepted Answer

1945 (plane crash Taipei) — Reported plane crash 18 Aug 1945.‌​‍

Answer

1943

Answer

1946

Answer

1947

Question 2

High-density lipoprotein (HDL) is often referred to as 'good cholesterol' because it plays a crucial role in:

Accepted Answer

C. Removing excess cholesterol from peripheral tissues and transporting it back to the liver. — HDL is known as 'good cholesterol' because it mediates reverse cholesterol transport, a process where it collects excess cholesterol from peripheral cells and arterial walls and transports it back to the liver for excretion or reprocessing. This action helps to prevent the buildup of plaque in arteries, reducing the risk of atherosclerosis.

Answer

A. Transporting triglycerides from the liver to adipose tissue.

Answer

B. Depositing cholesterol in arterial walls, leading to atherosclerosis.

Answer

D. Synthesizing new cholesterol molecules in the liver.

Question 3

Speed of electromagnetic waves in vacuum:‌​‍

Accepted Answer

3 × 10⁸ m/s — c = 1/√(μ₀ε₀). ‌​‍Maxwell predicted; Hertz confirmed. All EM waves travel at c in vacuum.

Answer

1.5 × 10⁸

Answer

3 × 10¹⁰

Answer

3 × 10⁶

Question 4

The two coastal plains of India are the:‌​‍

Accepted Answer

Konkan/Malabar (west) and Coromandel/Northern Circars (east) — West: Konkan + Malabar; East: Northern Circars (north) + Coromandel (south).‌​‍

Answer

Eastern Plain and Western Plain

Answer

Kachchh and Kanyakumari

Answer

Punjab and Tamil Nadu

Question 5

Indirect form: 'Where is my umbrella?' John asked his mother.‌​‍

Accepted Answer

John asked his mother where his umbrella was — Reported speech: pronoun shift (my→his) and tense backshift (is→was); no inversion.‌​‍

Answer

John asked his mother where is his umbrella

Answer

John asked his mother where was his umbrella

Answer

John asked his mother where is my umbrella

Question 6

Saturn is best known for its:‌​‍

Accepted Answer

Spectacular ring system — Saturn's ring system of ice and dust particles is most prominent.‌​‍

Answer

Volcanoes

Answer

Life-sustaining atmosphere

Answer

Red spot

Question 7

Planning Commission replaced by:‌​‍

Accepted Answer

NITI Aayog — NITI Aayog on 1 January 2015.‌​‍

Answer

Finance Commission

Answer

SEBI

Answer

NABARD

Question 8

K. Karunakaran:

Accepted Answer

CM (multiple terms) — Former CM, senior Congress leader.

Answer

Actor

Answer

Writer

Answer

Industrialist

Question 9

Mahavira was the ___ Tirthankara:‌​‍

Accepted Answer

24th — 24th and last Tirthankara of Jainism.‌​‍

Answer

23rd

Answer

25th

Answer

22nd

Question 10

16th Finance Commission chair:

Accepted Answer

Arvind Panagariya — Dr. Arvind Panagariya (2024).

Answer

N.K. Singh

Answer

C. Rangarajan

Answer

Vijay Kelkar

HSA Mixed Practice Test #190