HSA Mixed Practice Test #937

Question 1

Synonym of CLANDESTINE:‌​‍

Accepted Answer

Secret — Clandestine = kept secret, done secretly.‌​‍

Answer

Legal

Answer

Open

Answer

Public

Question 2

KPSC headquarters:

Accepted Answer

Thiruvananthapuram — Pattom, TVM.

Answer

Kochi

Answer

Kozhikode

Answer

Thrissur

Question 3

At 25 °C, the ionic product of water (Kw) is:

Accepted Answer

10⁻¹⁴ — Kw = [H⁺][OH⁻] = 10⁻¹⁴ at 25 °C.

Answer

10⁻⁷

Answer

10⁻¹

Answer

1

Question 4

The Anti-Defection Law is contained in which Schedule?

Accepted Answer

10th — 10th Schedule added by 52nd Amendment (1985). Disqualifies MPs/MLAs for defection.

Answer

8th

Answer

9th

Answer

12th

Question 5

Newton's First Law of Motion is also called the law of:‌​‍

Accepted Answer

Inertia — Newton's First Law is the Law of Inertia — a body at rest stays at rest, and a body in motion stays in motion, unless acted upon by an external force.‌​‍

Answer

Action-Reaction

Answer

Gravity

Answer

Acceleration

Question 6

Glucose exists as ring form:‌​‍

Accepted Answer

Pyranose (6-membered) anomers α and β — Mutarotation — equilibrium between α and β forms. Fructose as furanose.‌​‍

Answer

No ring

Answer

Only furanose

Answer

Only open chain

Question 7

Endotoxins are a significant virulence factor produced by certain bacteria. Which type of bacteria are primarily associated with the production of endotoxins?

Accepted Answer

C. Gram-negative bacteria. — Endotoxins are lipopolysaccharide (LPS) components of the outer membrane of the cell wall of Gram-negative bacteria. They are released upon bacterial cell lysis and can cause severe systemic reactions. Gram-positive bacteria (A) primarily produce exotoxins, while acid-fast bacteria (B) and spirochetes (D) are not primarily associated with endotoxin production in the same way Gram-negative bacteria are.

Answer

A. Gram-positive bacteria.

Answer

B. Acid-fast bacteria.

Answer

D. Spirochetes.

Question 8

Earth has ___ layers:

Accepted Answer

4 — Crust, Mantle, Outer core, Inner core = 4 layers.

Answer

2

Answer

3

Answer

5

Question 9

The wettest place in the world is:‌​‍

Accepted Answer

Mawsynram — Mawsynram in Meghalaya is the wettest place in the world with an average annual rainfall of about 11,871 mm. ‌​‍Cherrapunji is the second wettest.

Answer

Cherrapunji

Answer

Agumbe

Answer

Amboli

Question 10

CBI established:‌​‍

Accepted Answer

1963 — 1963 via Home Ministry resolution; based on DSPE Act 1946.‌​‍

Answer

1971

Answer

1941

Answer

1947

HSA Mixed Practice Test #937