KAS Prelims Mixed Practice Test #268

Question 1

A patient undergoing chemotherapy for cancer develops Pneumocystis jirovecii pneumonia, an infection that rarely affects individuals with healthy immune systems. This type of infection is classified as an:

Accepted Answer

B. Opportunistic infection — An opportunistic infection is caused by pathogens that take advantage of a host with a weakened immune system, often causing disease that would not occur in a healthy individual. Endemic refers to a constant presence of a disease in a population, latent means dormant, and primary is the initial infection.

Answer

A. Endemic infection

Answer

C. Latent infection

Answer

D. Primary infection

Question 2

One word: Lowest point:

Accepted Answer

Nadir — Nadir.

Answer

Zenith

Answer

Apex

Answer

Peak

Question 3

A tall, slender, fair-haired individual with an affectionate and sympathetic nature suffers from burning pains, especially in the spine and chest, which are ameliorated by cold applications. They have a strong desire for cold drinks and salty food, and a tendency to haemorrhage. Which remedy is most likely indicated?

Accepted Answer

B. Phosphorus — Phosphorus is characterized by a tall, slender build, an affectionate and sympathetic disposition, burning pains relieved by cold, a strong desire for cold drinks and salty food, and a haemorrhagic tendency. Sulphur is unkempt, philosophical, and worse from warmth. Calcarea carbonica is chilly, fair, fat, flabby, and craves indigestible things. Silica is delicate, chilly, and has offensive foot sweat.

Answer

A. Sulphur

Answer

C. Calcarea carbonica

Answer

D. Silica

Question 4

Pennar River flows through which states?

Accepted Answer

Karnataka and Andhra Pradesh — The Pennar (Penneru) River originates in Karnataka and flows through Andhra Pradesh into the Bay of Bengal.

Answer

Tamil Nadu and Kerala

Answer

Maharashtra and Goa

Answer

Telangana and Odisha

Question 5

Adequate ventilation in indoor spaces is crucial for preventing the spread of respiratory infections. Which of the following is the primary mechanism by which good ventilation helps reduce transmission?

Accepted Answer

B. It dilutes airborne pathogens, reducing their concentration in the air. — Good ventilation primarily helps prevent the spread of respiratory infections by diluting airborne pathogens. By introducing fresh air and removing stale air, it reduces the concentration of infectious particles in indoor environments, thereby lowering the risk of inhalation by occupants. While some filters can remove particles, and temperature/humidity can affect pathogen survival, dilution is the main principle of ventilation for infection control.

Answer

A. It increases the humidity, making the air less conducive for pathogen survival.

Answer

C. It filters out all airborne particles, including viruses and bacteria.

Answer

D. It raises the ambient temperature, deactivating heat-sensitive microbes.

Question 6

Latent heat of fusion of ice at 0°C is approximately:

Accepted Answer

80 cal/g (334 J/g) — Fusion: 80 cal/g. Vaporisation of water at 100°C: 540 cal/g (2260 J/g).

Answer

540 cal/g

Answer

100 cal/g

Answer

1 cal/g

Question 7

Which date is observed as 'National Education Day' in India to commemorate the birth anniversary of Maulana Abul Kalam Azad?

Accepted Answer

A. November 11 — National Education Day is observed on November 11 to honor Maulana Abul Kalam Azad, India's first Education Minister, who played a pivotal role in shaping the country's education system. The other dates correspond to different national observances (Children's Day on November 14, Gandhi Jayanti on October 2, and Christmas on December 25).

Answer

B. November 14

Answer

C. October 2

Answer

D. December 25

Question 8

'Bring up' means:‌​‍

Accepted Answer

Both A and C — To raise a child; also to vomit.‌​‍

Answer

Vomit

Answer

Lift

Answer

Raise a child

Question 9

The plural of 'datum' is:‌​‍

Accepted Answer

Data — Latin plural: datum → data. ‌​‍(Modern usage often treats 'data' as singular/uncountable.)

Answer

Datae

Answer

Datumes

Answer

Datums

Question 10

Standing waves on a string of length L fixed at both ends have fundamental frequency:‌​‍

Accepted Answer

v/(2L) — λ_fundamental = 2L → f = v/2L. ‌​‍Overtones: nv/(2L). Pipe open both ends same; closed one end has odd harmonics only.

Answer

v/(4L)

Answer

2v/L

Answer

v/L

KAS Prelims Mixed Practice Test #268