DCOA Mixed Practice Test #182

Question 1

In an aseptic processing area for sterile product manufacturing, which ISO classification represents the highest level of cleanliness (i.e., fewest particles allowed)?

Accepted Answer

C. ISO 5 — ISO classification systems rank cleanrooms by the number of particles allowed per cubic meter of air, with lower ISO numbers indicating a higher level of cleanliness. ISO 5 (equivalent to Class 100 or Grade A) is the highest standard for critical operations where sterile products are exposed, such as filling zones. ISO 7 and ISO 8 represent progressively less stringent cleanliness levels for surrounding areas.

Answer

A. ISO 7

Answer

B. ISO 8

Answer

D. ISO 9

Question 2

The IUPAC name of CH₃−OH is:‌​‍

Accepted Answer

Methanol — Methanol (methyl alcohol) CH₃OH — simplest alcohol.‌​‍

Answer

Ethanol

Answer

Methanoic acid

Answer

Methanal

Question 3

Under the 'Aarogyakiranam' scheme of Kerala, which category of patients is primarily eligible for financial assistance for organ transplant surgeries?

Accepted Answer

C. Families with an annual income below Rs. 2,00,000 — The 'Aarogyakiranam' scheme focuses on providing financial assistance for organ transplant surgeries to families with an annual income below Rs. 2,00,000, ensuring affordability for economically weaker sections. Options A and B are partially correct but do not cover the full eligibility criteria, while D is incorrect as the scheme is not universal.

Answer

A. Below Poverty Line (BPL) families

Answer

B. Senior citizens above 65 years

Answer

D. All Kerala residents irrespective of income

Question 4

A student, Rahul, consistently spends extra hours in the school library, not for grades, but because he genuinely enjoys learning about history and finds the subject fascinating. What type of motivation primarily drives Rahul's behavior?

Accepted Answer

B. Intrinsic motivation — Rahul's motivation stems from an internal desire and interest in the subject itself, which defines intrinsic motivation. He engages in the activity for its inherent satisfaction, not for external rewards like grades. Extrinsic motivation would involve external factors, while achievement and affiliation motivation are broader categories not specifically addressing the internal drive for learning for its own sake.

Answer

A. Extrinsic motivation

Answer

C. Achievement motivation

Answer

D. Affiliation motivation

Question 5

Enthalpy change at constant pressure equals:‌​‍

Accepted Answer

q_p (heat at constant P) — ΔH = ΔU + PΔV = q_p. Exothermic ΔH<0, endothermic ΔH>0.‌​‍

Answer

w

Answer

T·ΔS

Answer

ΔU

Question 6

CDS (Chief of Defence Staff) 2024-26:‌​‍

Accepted Answer

Anil Chauhan — Gen Anil Chauhan since Sep 2022.‌​‍

Answer

VK Singh

Answer

Manoj Pande

Answer

Bipin Rawat

Question 7

The highest peak of the Eastern Himalayas (in India) is:‌​‍

Accepted Answer

Namcha Barwa — Namcha Barwa (7756 m) is the highest peak of the Eastern Himalayas region.‌​‍

Answer

Nanda Devi

Answer

Kamet

Answer

Kanchenjunga

Question 8

PM Surya Ghar Muft Bijli Yojana provides:‌​‍

Accepted Answer

Free rooftop solar — Free rooftop solar for 1 crore households, announced Budget 2024.‌​‍

Answer

Free inverters

Answer

Free electricity meters

Answer

Free gas

Question 9

The number of molars in an adult human is:‌​‍

Accepted Answer

12 — Adult dentition has 12 molars (including 4 wisdom teeth).‌​‍

Answer

8

Answer

16

Answer

4

Question 10

Vitamin C deficiency:‌​‍

Accepted Answer

Scurvy (bleeding gums, slow wound healing) — Water-soluble. ‌​‍Ascorbic acid. Antioxidant, cofactor for collagen. ‌​‍Found in citrus, Indian gooseberry.

Answer

Pellagra

Answer

Beri-beri

Answer

Rickets

DCOA Mixed Practice Test #182