DCOA Mixed Practice Test #97

Question 1

Alpine forest above:

Accepted Answer

3,600m — Above timberline.

Answer

1000m

Answer

2000m

Answer

5000m

Question 2

Bowen's Reaction Series describes:

Accepted Answer

Order of mineral crystallisation from magma — Discontinuous (olivine → pyroxene → amphibole → biotite) and continuous (Ca-plagioclase → Na-plagioclase) branches. Norman L. Bowen.

Answer

Volcanic eruption

Answer

Tectonics

Answer

Weathering

Question 3

A 45-year-old daily wage laborer, identified as belonging to an economically weaker section, is diagnosed with a severe respiratory infection requiring hospitalization and specialized medication. Which of the following Kerala government health schemes would primarily ensure financial assistance for his treatment and medication costs at an empaneled hospital?

Accepted Answer

C. Karunya Arogya Suraksha Paddhati (KASP) — Karunya Arogya Suraksha Paddhati (KASP) is a comprehensive health insurance scheme that provides financial protection and covers hospitalization expenses, including medication costs, for eligible economically weaker sections in empaneled hospitals. Aardram Mission focuses on upgrading healthcare facilities, Vayomithram Project provides healthcare for the elderly, and Sukrutham Scheme specifically targets cancer treatment.

Answer

A. Aardram Mission

Answer

B. Vayomithram Project

Answer

D. Sukrutham Scheme

Question 4

The gas used in electric bulbs is:‌​‍

Accepted Answer

Argon — Argon (inert gas) fills incandescent bulbs to prevent filament oxidation.‌​‍

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 5

Which of the following substances is normally *completely reabsorbed* from the renal tubules back into the bloodstream under healthy physiological conditions?

Accepted Answer

C. Glucose — Under normal healthy conditions, glucose is completely reabsorbed from the renal tubules, primarily in the proximal convoluted tubule, back into the bloodstream. Urea and creatinine are waste products that are partially excreted, and while sodium is largely reabsorbed, some is always excreted, making them incorrect choices for complete reabsorption.

Answer

A. Urea

Answer

B. Creatinine

Answer

D. Sodium

Question 6

The gold foil (alpha-particle scattering) experiment established that an atom has:

Accepted Answer

A dense positively-charged nucleus with mostly empty space around it — Rutherford's 1911 experiment disproved Thomson's model and proposed a nuclear atom.

Answer

A uniform sphere of positive charge

Answer

Only electrons

Answer

A plum-pudding structure

Question 7

Kerala Film Development Corp:

Accepted Answer

KSFDC — KSFDC.

Answer

KFC

Answer

Both

Answer

KFDC

Question 8

Eye's lens:‌​‍

Accepted Answer

Converging — Biconvex lens.‌​‍

Answer

Diverging

Answer

Plane

Answer

Concave

Question 9

First CinemaScope Malayalam film:‌​‍

Accepted Answer

Padayottam — Padayottam 1982 first 70mm.‌​‍

Answer

Chemmeen

Answer

Thacholi Othenan

Answer

Neelakuyil

Question 10

International Computer Security Day:‌​‍

Accepted Answer

30 November — 30 November — Computer Security Day.‌​‍

Answer

18 July

Answer

2 December

Answer

23 December

DCOA Mixed Practice Test #97