DCOA Mixed Practice Test #1

Question 1

What is the PRIMARY reason for using a lyophilization process in the preparation of parenteral drugs?

Accepted Answer

B. To enhance the drug's stability and prolong shelf life — Lyophilization (freeze-drying) enhances the stability of heat-sensitive drugs by removing water, which prevents degradation. Options A, C, and D are not primary purposes of lyophilization.

Answer

A. To increase the drug's solubility

Answer

C. To reduce the cost of manufacturing

Answer

D. To improve the drug's bioavailability

Question 2

Which type of vegetation is characteristic of an equatorial climate?‌​‍

Accepted Answer

Evergreen rainforest — Multi-layered: emergent (50m+), canopy, understory, forest floor. ‌​‍50% of world's species in 7% of land.

Answer

Deciduous

Answer

Desert

Answer

Taiga

Question 3

Stroke:‌​‍

Accepted Answer

Brain blood supply disruption — Cerebrovascular accident.‌​‍

Answer

Heart attack

Answer

Liver failure

Answer

Kidney failure

Question 4

Smallest country:‌​‍

Accepted Answer

Vatican City — Vatican City.‌​‍

Answer

Monaco

Answer

San Marino

Answer

Liechtenstein

Question 5

Kerala HC at:‌​‍

Accepted Answer

Kochi — Kochi (Ernakulam).‌​‍

Answer

TVM

Answer

Thrissur

Answer

Kozhikode

Question 6

CAG of India 2024-26:‌​‍

Accepted Answer

Both A and B — G.C. Murmu till Nov 2024; K. Sanjay Murthy after.‌​‍

Answer

G.C. Murmu

Answer

K. Sanjay Murthy

Answer

Rajiv Mehrishi

Question 7

Wildlife Protection Act:‌​‍

Accepted Answer

1972 — Wildlife (Protection) Act 1972.‌​‍

Answer

1986

Answer

1980

Answer

2002

Question 8

A student consistently studies hard to avoid parental scolding for poor grades. This is an example of which type of motivation?

Accepted Answer

B. Extrinsic motivation (avoidance-based) — The student's motivation is externally driven by the desire to avoid punishment, classifying it as extrinsic motivation (avoidance-based). Distractor A is incorrect as intrinsic motivation comes from within. Distractor C refers to reward-based extrinsic motivation, and D is unrelated to this scenario.

Answer

A. Intrinsic motivation

Answer

C. Extrinsic motivation (reward-based)

Answer

D. Self-actualization

Question 9

Total utility is maximum when marginal utility is:‌​‍

Accepted Answer

Zero — At peak of total utility curve, MU = 0. ‌​‍Beyond this, additional consumption reduces total utility (negative MU).

Answer

Negative

Answer

Maximum

Answer

Unit

Question 10

World's largest milk producer:‌​‍

Accepted Answer

India — India — White Revolution.‌​‍

Answer

Brazil

Answer

China

Answer

USA

DCOA Mixed Practice Test #1