HSA Mixed Practice Test #936

Question 1

Maratha reservation struck down in:

Accepted Answer

2021 — Jaishri Laxmanrao Patil case 2021.

Answer

2020

Answer

2022

Answer

2023

Question 2

The first woman President of India was:‌​‍

Accepted Answer

Pratibha Patil — Pratibha Patil was the first woman President of India, serving from 2007 to 2012. ‌​‍Droupadi Murmu (2022) is the first tribal President.

Answer

Indira Gandhi

Answer

Sarojini Naidu

Answer

Droupadi Murmu

Question 3

The Pampadum Shola National Park is in which district?

Accepted Answer

Idukki — Pampadum Shola NP (1.32 km²) — India's smallest national park — is in Idukki.

Answer

Wayanad

Answer

Pathanamthitta

Answer

Kollam

Question 4

RPA 1951 Section 123:‌​‍

Accepted Answer

Corrupt practices — Defines electoral corrupt practices.‌​‍

Answer

Symbols

Answer

Electoral rolls

Answer

Bye-elections

Question 5

The Sikh holy book, Guru Granth Sahib, was compiled by:

Accepted Answer

Guru Arjan — Guru Arjan compiled the Adi Granth (1604); Guru Gobind Singh later added hymns and installed it as eternal Guru.

Answer

Guru Nanak

Answer

Guru Gobind Singh

Answer

Guru Angad

Question 6

Technetium-99m (Tc-99m) is a widely used radioisotope in diagnostic imaging. What is its primary advantage for this purpose?

Accepted Answer

C. It has a short half-life and emits gamma rays suitable for external detection — Technetium-99m is ideal for diagnostic imaging due to its relatively short half-life (6 hours), which minimizes patient radiation exposure after the procedure. Crucially, it emits pure gamma rays, which can be easily detected by external gamma cameras and provide high-resolution images without significant tissue damage. Alpha particles are highly damaging and unsuitable for diagnostic imaging.

Answer

A. It has a very long half-life, allowing for extended imaging

Answer

B. It emits alpha particles, providing high tissue penetration

Answer

D. It is inexpensive to produce in large quantities

Question 7

Identify a compound word:

Accepted Answer

blackboard — Blackboard = black + board (two words combined).

Answer

carpet

Answer

beautiful

Answer

running

Question 8

Thomas Isaac known for:‌​‍

Accepted Answer

Economist-politician — Former Finance Minister of Kerala.‌​‍

Answer

Actor

Answer

Judge

Answer

Musician

Question 9

'On cloud nine' means:

Accepted Answer

Extremely happy — Very happy.

Answer

High up

Answer

Confused

Answer

Sleeping

Question 10

The structure of DNA (double helix) was proposed by:

Accepted Answer

Watson and Crick — James Watson and Francis Crick (1953) proposed the double-helix model with Rosalind Franklin's X-ray data.

Answer

Mendel

Answer

Darwin

Answer

Pasteur

HSA Mixed Practice Test #936